<div dir="ltr"><div><div><div><div><div><div>Hi,<br><br></div>I patched the deb8u2 source with all four patches and built a new deb.<br><br></div>As two of the patches make some changes on the pcifront, I thought it could be a good idea to first upgrade the domU 'bug' with the new linux-image.<br><br></div>domU 'bug' "uname -a":<br>Linux bug 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u2a~test (2016-02-04) x86_64 GNU/Linux<br><br></div><div>dom0 "uname -a":<br>Linux dom0 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u2 (2016-01-02) x86_64 GNU/Linux<br></div><div><br></div>At first, all seemed to be as expected. I still got the "Failed to obtain physical IRQ" as the dom0 is not upgraded with the new linux-image.<br></div>But after a couple of minutes, I got "INFO: task khubd:205 blocked for more than 120 seconds." with a call trace in dmesg (and there is a new call trace periodically every 120 seconds).<br><br></div>domU 'bug' "dmesg":<br>[ 0.000000] Initializing cgroup subsys cpuset<br>[ 0.000000] Initializing cgroup subsys cpu<br>[ 0.000000] Initializing cgroup subsys cpuacct<br>[ 0.000000] Linux version 3.16.0-4-amd64 (<a href="mailto:debian-kernel@lists.debian.org">debian-kernel@lists.debian.org</a>) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt20-1+deb8u2a~test (2016-02-04)<br>[ 0.000000] Command line: root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro <br>[ 0.000000] ACPI in unprivileged domain disabled<br>[ 0.000000] 1-1 mapping on 8000->100000<br>[ 0.000000] Set 1015808 page(s) to 1-1 mapping<br>[ 0.000000] 1-1 mapping on 100000->8000000<br>[ 0.000000] e820: BIOS-provided physical RAM map:<br>[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable<br>[ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved<br>[ 0.000000] Xen: [mem 0x0000000000100000-0x0000000007ffffff] usable<br>[ 0.000000] Xen: [mem 0x0000000008000000-0x00000000f1de3fff] unusable<br>[ 0.000000] Xen: [mem 0x00000000f1de4000-0x00000000f1dedfff] ACPI data<br>[ 0.000000] Xen: [mem 0x00000000f1dee000-0x00000000f7ffffff] reserved<br>[ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000feefffff] reserved<br>[ 0.000000] Xen: [mem 0x00000000ff800000-0x00000000ffffffff] reserved<br>[ 0.000000] NX (Execute Disable) protection: active<br>[ 0.000000] DMI not present or invalid.<br>[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved<br>[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable<br>[ 0.000000] AGP: No AGP bridge found<br>[ 0.000000] e820: last_pfn = 0x8000 max_arch_pfn = 0x400000000<br>[ 0.000000] Base memory trampoline at [ffff88000009a000] 9a000 size 24576<br>[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]<br>[ 0.000000] [mem 0x00000000-0x000fffff] page 4k<br>[ 0.000000] init_memory_mapping: [mem 0x07e00000-0x07ffffff]<br>[ 0.000000] [mem 0x07e00000-0x07ffffff] page 4k<br>[ 0.000000] BRK [0x01b02000, 0x01b02fff] PGTABLE<br>[ 0.000000] init_memory_mapping: [mem 0x04000000-0x07dfffff]<br>[ 0.000000] [mem 0x04000000-0x07dfffff] page 4k<br>[ 0.000000] BRK [0x01b03000, 0x01b03fff] PGTABLE<br>[ 0.000000] BRK [0x01b04000, 0x01b04fff] PGTABLE<br>[ 0.000000] BRK [0x01b05000, 0x01b05fff] PGTABLE<br>[ 0.000000] BRK [0x01b06000, 0x01b06fff] PGTABLE<br>[ 0.000000] BRK [0x01b07000, 0x01b07fff] PGTABLE<br>[ 0.000000] init_memory_mapping: [mem 0x00100000-0x03ffffff]<br>[ 0.000000] [mem 0x00100000-0x03ffffff] page 4k<br>[ 0.000000] RAMDISK: [mem 0x01f18000-0x04a4efff]<br>[ 0.000000] NUMA turned off<br>[ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000007ffffff]<br>[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x07ffffff]<br>[ 0.000000] NODE_DATA [mem 0x07fe7000-0x07febfff]<br>[ 0.000000] Zone ranges:<br>[ 0.000000] DMA [mem 0x00001000-0x00ffffff]<br>[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]<br>[ 0.000000] Normal empty<br>[ 0.000000] Movable zone start for each node<br>[ 0.000000] Early memory node ranges<br>[ 0.000000] node 0: [mem 0x00001000-0x0009ffff]<br>[ 0.000000] node 0: [mem 0x00100000-0x07ffffff]<br>[ 0.000000] On node 0 totalpages: 32671<br>[ 0.000000] DMA zone: 56 pages used for memmap<br>[ 0.000000] DMA zone: 21 pages reserved<br>[ 0.000000] DMA zone: 3999 pages, LIFO batch:0<br>[ 0.000000] DMA32 zone: 392 pages used for memmap<br>[ 0.000000] DMA32 zone: 28672 pages, LIFO batch:7<br>[ 0.000000] SFI: Simple Firmware Interface v0.81 <a href="http://simplefirmware.org">http://simplefirmware.org</a><br>[ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs<br>[ 0.000000] nr_irqs_gsi: 16<br>[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]<br>[ 0.000000] e820: [mem 0xf8000000-0xfebfffff] available for PCI devices<br>[ 0.000000] Booting paravirtualized kernel on Xen<br>[ 0.000000] Xen version: 4.4.1 (preserve-AD)<br>[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:1 nr_node_ids:1<br>[ 0.000000] PERCPU: Embedded 27 pages/cpu @ffff880007c00000 s80896 r8192 d21504 u2097152<br>[ 0.000000] pcpu-alloc: s80896 r8192 d21504 u2097152 alloc=1*2097152<br>[ 0.000000] pcpu-alloc: [0] 0 <br>[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 32202<br>[ 0.000000] Policy zone: DMA32<br>[ 0.000000] Kernel command line: root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro <br>[ 0.000000] PID hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.000000] xsave: enabled xstate_bv 0x3, cntxt size 0x240<br>[ 0.000000] AGP: Checking aperture...<br>[ 0.000000] AGP: No AGP bridge found<br>[ 0.000000] Calgary: detecting Calgary via BIOS EBDA area<br>[ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!<br>[ 0.000000] Memory: 72396K/130684K available (5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 58288K reserved)<br>[ 0.000000] Hierarchical RCU implementation.<br>[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.<br>[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=1.<br>[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1<br>[ 0.000000] NR_IRQS:33024 nr_irqs:256 16<br>[ 0.000000] xen:events: Using FIFO-based ABI<br>[ 0.000000] Console: colour dummy device 80x25<br>[ 0.000000] console [tty0] enabled<br>[ 0.000000] console [hvc0] enabled<br>[ 0.000000] Xen: using vcpuop timer interface<br>[ 0.000000] installing Xen timer for CPU 0<br>[ 0.000000] tsc: Detected 2294.880 MHz processor<br>[ 0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 4589.76 BogoMIPS (lpj=9179520)<br>[ 0.004000] pid_max: default: 32768 minimum: 301<br>[ 0.004000] Security Framework initialized<br>[ 0.004000] AppArmor: AppArmor disabled by boot time parameter<br>[ 0.004000] Yama: disabled by default; enable with sysctl kernel.yama.*<br>[ 0.004000] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)<br>[ 0.004000] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)<br>[ 0.004000] Mount-cache hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.004000] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.004000] Initializing cgroup subsys memory<br>[ 0.004000] Initializing cgroup subsys devices<br>[ 0.004000] Initializing cgroup subsys freezer<br>[ 0.004000] Initializing cgroup subsys net_cls<br>[ 0.004000] Initializing cgroup subsys blkio<br>[ 0.004000] Initializing cgroup subsys perf_event<br>[ 0.004000] Initializing cgroup subsys net_prio<br>[ 0.004000] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'<br>ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)<br>[ 0.004000] CPU: Physical Processor ID: 0<br>[ 0.004000] CPU: Processor Core ID: 1<br>[ 0.004000] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8<br>Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0<br>tlb_flushall_shift: 2<br>[ 0.035851] Freeing SMP alternatives memory: 20K (ffffffff81a1b000 - ffffffff81a20000)<br>[ 0.039467] ftrace: allocating 21679 entries in 85 pages<br>[ 0.048176] Performance Events: unsupported p6 CPU model 58 no PMU driver, software events only.<br>[ 0.050760] x86: Booted up 1 node, 1 CPUs<br>[ 0.050949] NMI watchdog: disabled (cpu0): hardware events not enabled<br>[ 0.051055] devtmpfs: initialized<br>[ 0.055826] pinctrl core: initialized pinctrl subsystem<br>[ 0.056120] NET: Registered protocol family 16<br>[ 0.056143] xen:grant_table: Grant tables using version 1 layout<br>[ 0.056167] Grant table initialized<br>[ 0.056748] PCI: setting up Xen PCI frontend stub<br>[ 0.056757] PCI: pci_cache_line_size set to 64 bytes<br>[ 0.060893] ACPI: Interpreter disabled.<br>[ 0.060924] xen:balloon: Initialising balloon driver<br>[ 0.060946] xen_balloon: Initialising balloon driver<br>[ 0.060946] vgaarb: loaded<br>[ 0.060946] PCI: System does not support PCI<br>[ 0.060946] PCI: System does not support PCI<br>[ 0.060946] Switched to clocksource xen<br>[ 0.066106] pnp: PnP ACPI: disabled<br>[ 0.068130] NET: Registered protocol family 2<br>[ 0.068357] TCP established hash table entries: 1024 (order: 1, 8192 bytes)<br>[ 0.068371] TCP bind hash table entries: 1024 (order: 2, 16384 bytes)<br>[ 0.068379] TCP: Hash tables configured (established 1024 bind 1024)<br>[ 0.068398] TCP: reno registered<br>[ 0.068406] UDP hash table entries: 256 (order: 1, 8192 bytes)<br>[ 0.068416] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)<br>[ 0.068467] NET: Registered protocol family 1<br>[ 0.068488] PCI: CLS 0 bytes, default 64<br>[ 0.068553] Unpacking initramfs...<br>[ 0.111279] Freeing initrd memory: 44252K (ffff880001f18000 - ffff880004a4f000)<br>[ 0.113621] platform rtc_cmos: registered platform RTC device (no PNP device found)<br>[ 0.113824] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer<br>[ 0.113861] microcode: CPU0 sig=0x306a9, pf=0x2, revision=0x19<br>[ 0.113914] microcode: Microcode Update Driver: v2.00 <<a href="mailto:tigran@aivazian.fsnet.co.uk">tigran@aivazian.fsnet.co.uk</a>>, Peter Oruba<br>[ 0.114130] futex hash table entries: 256 (order: 2, 16384 bytes)<br>[ 0.114158] audit: initializing netlink subsys (disabled)<br>[ 0.114176] audit: type=2000 audit(1454626961.628:1): initialized<br>[ 0.114464] HugeTLB registered 2 MB page size, pre-allocated 0 pages<br>[ 0.114489] zbud: loaded<br>[ 0.114637] VFS: Disk quotas dquot_6.5.2<br>[ 0.114650] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)<br>[ 0.114703] msgmni has been set to 227<br>[ 0.115097] alg: No test for stdrng (krng)<br>[ 0.115123] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)<br>[ 0.115164] io scheduler noop registered (default)<br>[ 0.115169] io scheduler deadline registered<br>[ 0.115195] io scheduler cfq registered<br>[ 0.115253] pci_hotplug: PCI Hot Plug PCI Core version: 0.5<br>[ 0.115271] pciehp: PCI Express Hot Plug Controller Driver version: 0.4<br>[ 0.115301] intel_idle: does not run on family 6 model 58<br>[ 0.115590] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled<br>[ 0.115841] Linux agpgart interface v0.103<br>[ 0.115913] i8042: PNP: No PS/2 controller found. Probing ports directly.<br>[ 1.337539] i8042: No controller found<br>[ 1.337715] mousedev: PS/2 mouse device common for all mice<br>[ 1.398030] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0<br>[ 1.398084] rtc_cmos: probe of rtc_cmos failed with error -38<br>[ 1.398117] ledtrig-cpu: registered to indicate activity on CPUs<br>[ 1.398136] AMD IOMMUv2 driver by Joerg Roedel <<a href="mailto:joerg.roedel@amd.com">joerg.roedel@amd.com</a>><br>[ 1.398139] AMD IOMMUv2 functionality not available on this system<br>[ 1.398235] TCP: cubic registered<br>[ 1.398254] NET: Registered protocol family 10<br>[ 1.398432] mip6: Mobile IPv6<br>[ 1.398439] NET: Registered protocol family 17<br>[ 1.398448] mpls_gso: MPLS GSO support<br>[ 1.398454] mce: Unable to init device /dev/mcelog (rc: -5)<br>[ 1.398596] registered taskstats version 1<br>[ 1.398647] xenbus_probe_frontend: Device with no driver: device/vbd/51714<br>[ 1.398652] xenbus_probe_frontend: Device with no driver: device/vbd/51713<br>[ 1.398655] xenbus_probe_frontend: Device with no driver: device/vif/0<br>[ 1.398658] xenbus_probe_frontend: Device with no driver: device/pci/0<br>[ 1.398693] rtc_hctosys: unable to open rtc device (rtc0)<br>[ 1.398742] PM: Hibernation image not present or could not be loaded.<br>[ 1.399253] Freeing unused kernel memory: 1204K (ffffffff818ee000 - ffffffff81a1b000)<br>[ 1.399263] Write protecting the kernel read-only data: 8192k<br>[ 1.401793] Freeing unused kernel memory: 912K (ffff88000151c000 - ffff880001600000)<br>[ 1.401905] Freeing unused kernel memory: 212K (ffff8800017cb000 - ffff880001800000)<br>[ 1.420329] systemd-udevd[58]: starting version 215<br>[ 1.420858] random: systemd-udevd urandom read with 3 bits of entropy available<br>[ 1.443892] xen_netfront: Initialising Xen virtual ethernet driver<br>[ 1.511482] blkfront: xvda2: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;<br>[ 1.514156] blkfront: xvda1: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;<br>[ 2.104730] PM: Starting manual resume from disk<br>[ 2.104745] PM: Hibernation image partition 202:1 present<br>[ 2.104746] PM: Looking for hibernation image.<br>[ 2.105114] PM: Image not found (code -22)<br>[ 2.105118] PM: Hibernation image not present or could not be loaded.<br>[ 4.299926] EXT4-fs (xvda2): mounted filesystem with ordered data mode. Opts: (null)<br>[ 4.386272] random: nonblocking pool is initialized<br>[ 5.569639] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)<br>[ 5.569746] systemd[1]: Detected virtualization 'xen'.<br>[ 5.569766] systemd[1]: Detected architecture 'x86-64'.<br>[ 6.733819] systemd[1]: Inserted module 'autofs4'<br>[ 6.750629] systemd[1]: Set hostname to <bug>.<br>[ 9.533126] systemd[1]: Cannot add dependency job for unit dbus.socket, ignoring: Unit dbus.socket failed to load: No such file or directory.<br>[ 9.533160] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.<br>[ 9.533670] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.<br>[ 9.533836] systemd[1]: Started Forward Password Requests to Wall Directory Watch.<br>[ 9.533865] systemd[1]: Expecting device dev-hvc0.device...<br>[ 9.534044] systemd[1]: Starting Remote File Systems (Pre).<br>[ 9.534129] systemd[1]: Reached target Remote File Systems (Pre).<br>[ 9.534183] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.<br>[ 9.534402] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.<br>[ 9.534443] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.<br>[ 9.534524] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.<br>[ 9.534546] systemd[1]: Starting Paths.<br>[ 9.534632] systemd[1]: Reached target Paths.<br>[ 9.534661] systemd[1]: Starting Encrypted Volumes.<br>[ 9.534741] systemd[1]: Reached target Encrypted Volumes.<br>[ 9.534763] systemd[1]: Expecting device dev-xvda1.device...<br>[ 9.534845] systemd[1]: Starting Root Slice.<br>[ 9.534953] systemd[1]: Created slice Root Slice.<br>[ 9.534977] systemd[1]: Starting User and Session Slice.<br>[ 9.535108] systemd[1]: Created slice User and Session Slice.<br>[ 9.535132] systemd[1]: Starting Delayed Shutdown Socket.<br>[ 9.535538] systemd[1]: Listening on Delayed Shutdown Socket.<br>[ 9.535565] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.<br>[ 9.535709] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.<br>[ 9.535733] systemd[1]: Starting Journal Socket (/dev/log).<br>[ 9.535872] systemd[1]: Listening on Journal Socket (/dev/log).<br>[ 9.535907] systemd[1]: Starting udev Kernel Socket.<br>[ 9.536043] systemd[1]: Listening on udev Kernel Socket.<br>[ 9.536073] systemd[1]: Starting udev Control Socket.<br>[ 9.536187] systemd[1]: Listening on udev Control Socket.<br>[ 9.536214] systemd[1]: Starting Journal Socket.<br>[ 9.536351] systemd[1]: Listening on Journal Socket.<br>[ 9.536388] systemd[1]: Starting System Slice.<br>[ 9.536531] systemd[1]: Created slice System Slice.<br>[ 9.536572] systemd[1]: Starting File System Check on Root Device...<br>[ 9.538068] systemd[1]: Starting system-getty.slice.<br>[ 9.538314] systemd[1]: Created slice system-getty.slice.<br>[ 9.538341] systemd[1]: Starting system-serial\x2dgetty.slice.<br>[ 9.538483] systemd[1]: Created slice system-serial\x2dgetty.slice.<br>[ 9.538565] systemd[1]: Starting Increase datagram queue length...<br>[ 9.542353] systemd[1]: Mounting POSIX Message Queue File System...<br>[ 9.546880] systemd[1]: Mounting Debug File System...<br>[ 9.578669] systemd[1]: Started Set Up Additional Binary Formats.<br>[ 9.578747] systemd[1]: Mounting Huge Pages File System...<br>[ 9.580657] systemd[1]: Starting Create list of required static device nodes for the current kernel...<br>[ 9.587373] systemd[1]: Starting Load Kernel Modules...<br>[ 9.589167] systemd[1]: Starting udev Coldplug all Devices...<br>[ 9.590713] systemd[1]: Starting Slices.<br>[ 9.590778] systemd[1]: Reached target Slices.<br>[ 9.658770] systemd[1]: Started Increase datagram queue length.<br>[ 9.659677] systemd[1]: Starting Syslog Socket.<br>[ 9.659768] systemd[1]: Listening on Syslog Socket.<br>[ 9.659794] systemd[1]: Starting Sockets.<br>[ 9.659824] systemd[1]: Reached target Sockets.<br>[ 9.659842] systemd[1]: Starting Journal Service...<br>[ 9.661017] systemd[1]: Started Journal Service.<br>[ 10.686460] systemd-udevd[137]: starting version 215<br>[ 11.087720] EXT4-fs (xvda2): re-mounted. Opts: errors=remount-ro<br>[ 11.257117] systemd-journald[124]: Received request to flush runtime journal from PID 1<br>[ 12.525672] input: PC Speaker as /devices/platform/pcspkr/input/input0<br>[ 12.526446] pcifront pci-0: Installing PCI frontend<br>[ 12.526468] xen:swiotlb_xen: Warning: only able to allocate 4 MB for software IO TLB<br>[ 12.530788] software IO TLB [mem 0x02000000-0x02400000] (4MB) mapped at [ffff880002000000-ffff8800023fffff]<br>[ 12.531162] pcifront pci-0: Creating PCI Frontend Bus 0000:00<br>[ 12.531224] pcifront pci-0: PCI host bridge to bus 0000:00<br>[ 12.531231] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]<br>[ 12.531236] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff]<br>[ 12.531242] pci_bus 0000:00: root bus resource [bus 00-ff]<br>[ 12.531509] pci 0000:00:01.0: [1912:0014] type 00 class 0x0c0330<br>[ 12.531897] pci 0000:00:01.0: reg 0x10: [mem 0xfbff0000-0xfbff1fff 64bit]<br>[ 12.536917] pci 0000:00:00.1: [14e4:165f] type 00 class 0x020000<br>[ 12.537273] pci 0000:00:00.1: reg 0x10: [mem 0xfabc0000-0xfabcffff 64bit pref]<br>[ 12.537651] pci 0000:00:00.1: reg 0x18: [mem 0xfabb0000-0xfabbffff 64bit pref]<br>[ 12.537903] pci 0000:00:00.1: reg 0x20: [mem 0xfaba0000-0xfabaffff 64bit pref]<br>[ 12.539995] pcifront pci-0: New device on 0000:00:00.1 found.<br>[ 12.542275] pcifront pci-0: claiming resource 0000:00:01.0/0<br>[ 12.542285] pcifront pci-0: claiming resource 0000:00:00.1/0<br>[ 12.542290] pcifront pci-0: claiming resource 0000:00:00.1/2<br>[ 12.542294] pcifront pci-0: claiming resource 0000:00:00.1/4<br>[ 12.542405] pci 0000:00:01.0: Xen PCI mapped GSI18 to IRQ29<br>[ 12.656749] alg: No test for crc32 (crc32-pclmul)<br>[ 12.905693] intel_rapl: Found RAPL domain package<br>[ 12.905708] intel_rapl: Found RAPL domain core<br>[ 12.956320] Adding 262140k swap on /dev/xvda1. Priority:-1 extents:1 across:262140k SSFS<br>[ 13.033326] pps_core: LinuxPPS API ver. 1 registered<br>[ 13.033340] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <<a href="mailto:giometti@linux.it">giometti@linux.it</a>><br>[ 13.034413] PTP clock support registered<br>[ 13.107656] tg3.c:v3.137 (May 11, 2014)<br>[ 13.107885] tg3 0000:00:00.1: Xen PCI mapped GSI17 to IRQ30<br>[ 13.120967] usbcore: registered new interface driver usbfs<br>[ 13.121269] usbcore: registered new interface driver hub<br>[ 13.121327] usbcore: registered new device driver usb<br>[ 13.136707] tg3 0000:00:00.1 eth1: Tigon3 [partno(N/A) rev 5720000] (PCI Express) MAC address 34:64:a9:9a:a8:b1<br>[ 13.136726] tg3 0000:00:00.1 eth1: attached PHY is 5720C (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])<br>[ 13.136734] tg3 0000:00:00.1 eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]<br>[ 13.136740] tg3 0000:00:00.1 eth1: dma_rwctrl[00000001] dma_mask[64-bit]<br>[ 13.143564] xen:events: xen_bind_pirq_gsi_to_irq: returning irq 29 for gsi 18<br>[ 13.143579] xhci_hcd 0000:00:01.0: Xen PCI mapped GSI18 to IRQ29<br>[ 13.143886] xhci_hcd 0000:00:01.0: xHCI Host Controller<br>[ 13.143899] xhci_hcd 0000:00:01.0: new USB bus registered, assigned bus number 1<br>[ 13.150842] xen:events: Failed to obtain physical IRQ 31<br>[ 13.150863] xen:events: Failed to obtain physical IRQ 32<br>[ 13.150953] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002<br>[ 13.150961] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1<br>[ 13.150967] usb usb1: Product: xHCI Host Controller<br>[ 13.150971] usb usb1: Manufacturer: Linux 3.16.0-4-amd64 xhci_hcd<br>[ 13.150976] usb usb1: SerialNumber: 0000:00:01.0<br>[ 13.151281] hub 1-0:1.0: USB hub found<br>[ 13.151303] hub 1-0:1.0: 2 ports detected<br>[ 13.151437] xhci_hcd 0000:00:01.0: xHCI Host Controller<br>[ 13.151446] xhci_hcd 0000:00:01.0: new USB bus registered, assigned bus number 2<br>[ 13.155915] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.<br>[ 13.155962] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003<br>[ 13.155969] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1<br>[ 13.155975] usb usb2: Product: xHCI Host Controller<br>[ 13.155979] usb usb2: Manufacturer: Linux 3.16.0-4-amd64 xhci_hcd<br>[ 13.155984] usb usb2: SerialNumber: 0000:00:01.0<br>[ 13.157061] hub 2-0:1.0: USB hub found<br>[ 13.157084] hub 2-0:1.0: 2 ports detected<br>[ 240.060071] INFO: task khubd:205 blocked for more than 120 seconds.<br>[ 240.060086] Not tainted 3.16.0-4-amd64 #1<br>[ 240.060090] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>[ 240.060095] khubd D ffff880001d20e78 0 205 2 0x00000000<br>[ 240.060104] ffff880001d20a20 0000000000000246 0000000000012f00 ffff8800062f3fd8<br>[ 240.060112] 0000000000012f00 ffff880001d20a20 ffff880005dc8148 ffff8800062f3d00<br>[ 240.060119] ffff880005dc8140 ffff880001d20a20 0000000000000200 ffff880004f83c60<br>[ 240.060126] Call Trace:<br>[ 240.060138] [<ffffffff8150f969>] ? schedule_timeout+0x229/0x2a0<br>[ 240.060146] [<ffffffff8118e5a8>] ? kfree+0x118/0x220<br>[ 240.060153] [<ffffffff815137c6>] ? _raw_spin_lock_irqsave+0x16/0x50<br>[ 240.060162] [<ffffffff81072d56>] ? lock_timer_base.isra.35+0x26/0x50<br>[ 240.060168] [<ffffffff810725da>] ? internal_add_timer+0x2a/0x70<br>[ 240.060174] [<ffffffff81074817>] ? mod_timer+0x127/0x1e0<br>[ 240.060180] [<ffffffff81510e68>] ? wait_for_completion+0xa8/0x120<br>[ 240.060188] [<ffffffff81096de0>] ? wake_up_state+0x10/0x10<br>[ 240.060198] [<ffffffffa0199ecc>] ? xhci_alloc_dev+0xac/0x250 [xhci_hcd]<br>[ 240.060208] [<ffffffffa016378b>] ? usb_alloc_dev+0x6b/0x2f0 [usbcore]<br>[ 240.060217] [<ffffffffa016a561>] ? hub_thread+0xcb1/0x1740 [usbcore]<br>[ 240.060225] [<ffffffff810a7ba0>] ? prepare_to_wait_event+0xf0/0xf0<br>[ 240.060234] [<ffffffffa01698b0>] ? hub_port_debounce+0x130/0x130 [usbcore]<br>[ 240.060242] [<ffffffff8108805d>] ? kthread+0xbd/0xe0<br>[ 240.060248] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180<br>[ 240.060254] [<ffffffff81513c18>] ? ret_from_fork+0x58/0x90<br>[ 240.060260] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180<br>[ 360.060060] INFO: task khubd:205 blocked for more than 120 seconds.<br>[ 360.060075] Not tainted 3.16.0-4-amd64 #1<br>[ 360.060080] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.<br>[ 360.060086] khubd D ffff880001d20e78 0 205 2 0x00000000<br>[ 360.060095] ffff880001d20a20 0000000000000246 0000000000012f00 ffff8800062f3fd8<br>[ 360.060104] 0000000000012f00 ffff880001d20a20 ffff880005dc8148 ffff8800062f3d00<br>[ 360.060112] ffff880005dc8140 ffff880001d20a20 0000000000000200 ffff880004f83c60<br>[ 360.060119] Call Trace:<br>[ 360.060131] [<ffffffff8150f969>] ? schedule_timeout+0x229/0x2a0<br>[ 360.060139] [<ffffffff8118e5a8>] ? kfree+0x118/0x220<br>[ 360.060145] [<ffffffff815137c6>] ? _raw_spin_lock_irqsave+0x16/0x50<br>[ 360.060155] [<ffffffff81072d56>] ? lock_timer_base.isra.35+0x26/0x50<br>[ 360.060161] [<ffffffff810725da>] ? internal_add_timer+0x2a/0x70<br>[ 360.060167] [<ffffffff81074817>] ? mod_timer+0x127/0x1e0<br>[ 360.060173] [<ffffffff81510e68>] ? wait_for_completion+0xa8/0x120<br>[ 360.060181] [<ffffffff81096de0>] ? wake_up_state+0x10/0x10<br>[ 360.060190] [<ffffffffa0199ecc>] ? xhci_alloc_dev+0xac/0x250 [xhci_hcd]<br>[ 360.060200] [<ffffffffa016378b>] ? usb_alloc_dev+0x6b/0x2f0 [usbcore]<br>[ 360.060209] [<ffffffffa016a561>] ? hub_thread+0xcb1/0x1740 [usbcore]<br>[ 360.060217] [<ffffffff810a7ba0>] ? prepare_to_wait_event+0xf0/0xf0<br>[ 360.060225] [<ffffffffa01698b0>] ? hub_port_debounce+0x130/0x130 [usbcore]<br>[ 360.060233] [<ffffffff8108805d>] ? kthread+0xbd/0xe0<br>[ 360.060239] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180<br>[ 360.060245] [<ffffffff81513c18>] ? ret_from_fork+0x58/0x90<br>[ 360.060251] [<ffffffff81087fa0>] ? kthread_create_on_node+0x180/0x180<br><br><br><br><div><div>Next, I upgraded dom0 with the new linux-image deb and rebooted the machine.<br><br></div><div>dom0 "uname -a":<br>Linux dom0 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u2a~test (2016-02-04) x86_64 GNU/Linux<br><br></div><div>domU 'bug' "uname -a":<br>Linux bug 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt20-1+deb8u2a~test (2016-02-04) x86_64 GNU/Linux<br></div><div><br></div><div>And now everything seems to work. No more "Failed to obtain physical IRQ", I can mount my usb flash stick using the passthroughed usb controller. No call traces in dmesg.<br><br></div><div>domU 'bug' "dmesg":<br>[ 0.000000] Initializing cgroup subsys cpuset<br>[ 0.000000] Initializing cgroup subsys cpu<br>[ 0.000000] Initializing cgroup subsys cpuacct<br>[ 0.000000] Linux version 3.16.0-4-amd64 (<a href="mailto:debian-kernel@lists.debian.org">debian-kernel@lists.debian.org</a>) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 SMP Debian 3.16.7-ckt20-1+deb8u2a~test (2016-02-04)<br>[ 0.000000] Command line: root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro <br>[ 0.000000] ACPI in unprivileged domain disabled<br>[ 0.000000] 1-1 mapping on 8000->100000<br>[ 0.000000] Set 1015808 page(s) to 1-1 mapping<br>[ 0.000000] 1-1 mapping on 100000->8000000<br>[ 0.000000] e820: BIOS-provided physical RAM map:<br>[ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable<br>[ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved<br>[ 0.000000] Xen: [mem 0x0000000000100000-0x0000000007ffffff] usable<br>[ 0.000000] Xen: [mem 0x0000000008000000-0x00000000f1de3fff] unusable<br>[ 0.000000] Xen: [mem 0x00000000f1de4000-0x00000000f1dedfff] ACPI data<br>[ 0.000000] Xen: [mem 0x00000000f1dee000-0x00000000f7ffffff] reserved<br>[ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000feefffff] reserved<br>[ 0.000000] Xen: [mem 0x00000000ff800000-0x00000000ffffffff] reserved<br>[ 0.000000] NX (Execute Disable) protection: active<br>[ 0.000000] DMI not present or invalid.<br>[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved<br>[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable<br>[ 0.000000] AGP: No AGP bridge found<br>[ 0.000000] e820: last_pfn = 0x8000 max_arch_pfn = 0x400000000<br>[ 0.000000] Base memory trampoline at [ffff88000009a000] 9a000 size 24576<br>[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]<br>[ 0.000000] [mem 0x00000000-0x000fffff] page 4k<br>[ 0.000000] init_memory_mapping: [mem 0x07e00000-0x07ffffff]<br>[ 0.000000] [mem 0x07e00000-0x07ffffff] page 4k<br>[ 0.000000] BRK [0x01b02000, 0x01b02fff] PGTABLE<br>[ 0.000000] init_memory_mapping: [mem 0x04000000-0x07dfffff]<br>[ 0.000000] [mem 0x04000000-0x07dfffff] page 4k<br>[ 0.000000] BRK [0x01b03000, 0x01b03fff] PGTABLE<br>[ 0.000000] BRK [0x01b04000, 0x01b04fff] PGTABLE<br>[ 0.000000] BRK [0x01b05000, 0x01b05fff] PGTABLE<br>[ 0.000000] BRK [0x01b06000, 0x01b06fff] PGTABLE<br>[ 0.000000] BRK [0x01b07000, 0x01b07fff] PGTABLE<br>[ 0.000000] init_memory_mapping: [mem 0x00100000-0x03ffffff]<br>[ 0.000000] [mem 0x00100000-0x03ffffff] page 4k<br>[ 0.000000] RAMDISK: [mem 0x01f18000-0x04a4efff]<br>[ 0.000000] NUMA turned off<br>[ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000007ffffff]<br>[ 0.000000] Initmem setup node 0 [mem 0x00000000-0x07ffffff]<br>[ 0.000000] NODE_DATA [mem 0x07fe7000-0x07febfff]<br>[ 0.000000] Zone ranges:<br>[ 0.000000] DMA [mem 0x00001000-0x00ffffff]<br>[ 0.000000] DMA32 [mem 0x01000000-0xffffffff]<br>[ 0.000000] Normal empty<br>[ 0.000000] Movable zone start for each node<br>[ 0.000000] Early memory node ranges<br>[ 0.000000] node 0: [mem 0x00001000-0x0009ffff]<br>[ 0.000000] node 0: [mem 0x00100000-0x07ffffff]<br>[ 0.000000] On node 0 totalpages: 32671<br>[ 0.000000] DMA zone: 56 pages used for memmap<br>[ 0.000000] DMA zone: 21 pages reserved<br>[ 0.000000] DMA zone: 3999 pages, LIFO batch:0<br>[ 0.000000] DMA32 zone: 392 pages used for memmap<br>[ 0.000000] DMA32 zone: 28672 pages, LIFO batch:7<br>[ 0.000000] SFI: Simple Firmware Interface v0.81 <a href="http://simplefirmware.org">http://simplefirmware.org</a><br>[ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs<br>[ 0.000000] nr_irqs_gsi: 16<br>[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000fffff]<br>[ 0.000000] e820: [mem 0xf8000000-0xfebfffff] available for PCI devices<br>[ 0.000000] Booting paravirtualized kernel on Xen<br>[ 0.000000] Xen version: 4.4.1 (preserve-AD)<br>[ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:1 nr_node_ids:1<br>[ 0.000000] PERCPU: Embedded 27 pages/cpu @ffff880007c00000 s80896 r8192 d21504 u2097152<br>[ 0.000000] pcpu-alloc: s80896 r8192 d21504 u2097152 alloc=1*2097152<br>[ 0.000000] pcpu-alloc: [0] 0 <br>[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 32202<br>[ 0.000000] Policy zone: DMA32<br>[ 0.000000] Kernel command line: root=/dev/xvda2 ro elevator=noop root=/dev/xvda2 ro <br>[ 0.000000] PID hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.000000] xsave: enabled xstate_bv 0x3, cntxt size 0x240<br>[ 0.000000] AGP: Checking aperture...<br>[ 0.000000] AGP: No AGP bridge found<br>[ 0.000000] Calgary: detecting Calgary via BIOS EBDA area<br>[ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!<br>[ 0.000000] Memory: 72396K/130684K available (5219K kernel code, 947K rwdata, 1836K rodata, 1204K init, 840K bss, 58288K reserved)<br>[ 0.000000] Hierarchical RCU implementation.<br>[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.<br>[ 0.000000] RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=1.<br>[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1<br>[ 0.000000] NR_IRQS:33024 nr_irqs:256 16<br>[ 0.000000] xen:events: Using FIFO-based ABI<br>[ 0.000000] Console: colour dummy device 80x25<br>[ 0.000000] console [tty0] enabled<br>[ 0.000000] console [hvc0] enabled<br>[ 0.000000] Xen: using vcpuop timer interface<br>[ 0.000000] installing Xen timer for CPU 0<br>[ 0.000000] tsc: Detected 2294.850 MHz processor<br>[ 0.004000] Calibrating delay loop (skipped), value calculated using timer frequency.. 4589.70 BogoMIPS (lpj=9179400)<br>[ 0.004000] pid_max: default: 32768 minimum: 301<br>[ 0.004000] Security Framework initialized<br>[ 0.004000] AppArmor: AppArmor disabled by boot time parameter<br>[ 0.004000] Yama: disabled by default; enable with sysctl kernel.yama.*<br>[ 0.004000] Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)<br>[ 0.004000] Inode-cache hash table entries: 8192 (order: 4, 65536 bytes)<br>[ 0.004000] Mount-cache hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.004000] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes)<br>[ 0.004000] Initializing cgroup subsys memory<br>[ 0.004000] Initializing cgroup subsys devices<br>[ 0.004000] Initializing cgroup subsys freezer<br>[ 0.004000] Initializing cgroup subsys net_cls<br>[ 0.004000] Initializing cgroup subsys blkio<br>[ 0.004000] Initializing cgroup subsys perf_event<br>[ 0.004000] Initializing cgroup subsys net_prio<br>[ 0.004000] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'<br>ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)<br>[ 0.004000] CPU: Physical Processor ID: 0<br>[ 0.004000] CPU: Processor Core ID: 0<br>[ 0.004000] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8<br>Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0<br>tlb_flushall_shift: 2<br>[ 0.034866] Freeing SMP alternatives memory: 20K (ffffffff81a1b000 - ffffffff81a20000)<br>[ 0.037443] ftrace: allocating 21679 entries in 85 pages<br>[ 0.044144] Performance Events: unsupported p6 CPU model 58 no PMU driver, software events only.<br>[ 0.045610] x86: Booted up 1 node, 1 CPUs<br>[ 0.045660] NMI watchdog: disabled (cpu0): hardware events not enabled<br>[ 0.045739] devtmpfs: initialized<br>[ 0.049008] pinctrl core: initialized pinctrl subsystem<br>[ 0.049089] NET: Registered protocol family 16<br>[ 0.049124] xen:grant_table: Grant tables using version 1 layout<br>[ 0.049147] Grant table initialized<br>[ 0.049432] PCI: setting up Xen PCI frontend stub<br>[ 0.049432] PCI: pci_cache_line_size set to 64 bytes<br>[ 0.049786] ACPI: Interpreter disabled.<br>[ 0.049808] xen:balloon: Initialising balloon driver<br>[ 0.052037] xen_balloon: Initialising balloon driver<br>[ 0.052061] vgaarb: loaded<br>[ 0.052133] PCI: System does not support PCI<br>[ 0.052137] PCI: System does not support PCI<br>[ 0.052288] Switched to clocksource xen<br>[ 0.056226] pnp: PnP ACPI: disabled<br>[ 0.057990] NET: Registered protocol family 2<br>[ 0.058160] TCP established hash table entries: 1024 (order: 1, 8192 bytes)<br>[ 0.058172] TCP bind hash table entries: 1024 (order: 2, 16384 bytes)<br>[ 0.058178] TCP: Hash tables configured (established 1024 bind 1024)<br>[ 0.058193] TCP: reno registered<br>[ 0.058200] UDP hash table entries: 256 (order: 1, 8192 bytes)<br>[ 0.058207] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)<br>[ 0.058247] NET: Registered protocol family 1<br>[ 0.058262] PCI: CLS 0 bytes, default 64<br>[ 0.058310] Unpacking initramfs...<br>[ 0.097449] Freeing initrd memory: 44252K (ffff880001f18000 - ffff880004a4f000)<br>[ 0.099078] platform rtc_cmos: registered platform RTC device (no PNP device found)<br>[ 0.099138] RAPL PMU detected, hw unit 2^-16 Joules, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer<br>[ 0.099170] microcode: CPU0 sig=0x306a9, pf=0x2, revision=0x19<br>[ 0.099218] microcode: Microcode Update Driver: v2.00 <<a href="mailto:tigran@aivazian.fsnet.co.uk">tigran@aivazian.fsnet.co.uk</a>>, Peter Oruba<br>[ 0.099429] futex hash table entries: 256 (order: 2, 16384 bytes)<br>[ 0.099456] audit: initializing netlink subsys (disabled)<br>[ 0.099475] audit: type=2000 audit(1454627953.001:1): initialized<br>[ 0.099755] HugeTLB registered 2 MB page size, pre-allocated 0 pages<br>[ 0.099779] zbud: loaded<br>[ 0.099917] VFS: Disk quotas dquot_6.5.2<br>[ 0.099930] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)<br>[ 0.099981] msgmni has been set to 227<br>[ 0.100254] alg: No test for stdrng (krng)<br>[ 0.100275] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)<br>[ 0.100314] io scheduler noop registered (default)<br>[ 0.100319] io scheduler deadline registered<br>[ 0.100346] io scheduler cfq registered<br>[ 0.100405] pci_hotplug: PCI Hot Plug PCI Core version: 0.5<br>[ 0.100423] pciehp: PCI Express Hot Plug Controller Driver version: 0.4<br>[ 0.100451] intel_idle: does not run on family 6 model 58<br>[ 0.102533] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled<br>[ 0.102816] Linux agpgart interface v0.103<br>[ 0.102897] i8042: PNP: No PS/2 controller found. Probing ports directly.<br>[ 1.282113] i8042: No controller found<br>[ 1.282447] mousedev: PS/2 mouse device common for all mice<br>[ 1.342255] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0<br>[ 1.342308] rtc_cmos: probe of rtc_cmos failed with error -38<br>[ 1.342341] ledtrig-cpu: registered to indicate activity on CPUs<br>[ 1.342361] AMD IOMMUv2 driver by Joerg Roedel <<a href="mailto:joerg.roedel@amd.com">joerg.roedel@amd.com</a>><br>[ 1.342364] AMD IOMMUv2 functionality not available on this system<br>[ 1.342459] TCP: cubic registered<br>[ 1.342478] NET: Registered protocol family 10<br>[ 1.342654] mip6: Mobile IPv6<br>[ 1.342662] NET: Registered protocol family 17<br>[ 1.342671] mpls_gso: MPLS GSO support<br>[ 1.342678] mce: Unable to init device /dev/mcelog (rc: -5)<br>[ 1.342820] registered taskstats version 1<br>[ 1.342878] xenbus_probe_frontend: Device with no driver: device/vbd/51714<br>[ 1.342883] xenbus_probe_frontend: Device with no driver: device/vbd/51713<br>[ 1.342886] xenbus_probe_frontend: Device with no driver: device/vif/0<br>[ 1.342889] xenbus_probe_frontend: Device with no driver: device/pci/0<br>[ 1.342925] rtc_hctosys: unable to open rtc device (rtc0)<br>[ 1.342973] PM: Hibernation image not present or could not be loaded.<br>[ 1.343486] Freeing unused kernel memory: 1204K (ffffffff818ee000 - ffffffff81a1b000)<br>[ 1.343495] Write protecting the kernel read-only data: 8192k<br>[ 1.346220] Freeing unused kernel memory: 912K (ffff88000151c000 - ffff880001600000)<br>[ 1.346355] Freeing unused kernel memory: 212K (ffff8800017cb000 - ffff880001800000)<br>[ 1.368373] systemd-udevd[58]: starting version 215<br>[ 1.369126] random: systemd-udevd urandom read with 3 bits of entropy available<br>[ 1.395026] xen_netfront: Initialising Xen virtual ethernet driver<br>[ 1.462872] blkfront: xvda2: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;<br>[ 1.465338] Setting capacity to 20971520<br>[ 1.465352] xvda2: detected capacity change from 0 to 10737418240<br>[ 1.466851] blkfront: xvda1: flush diskcache: enabled; persistent grants: enabled; indirect descriptors: enabled;<br>[ 2.927311] PM: Starting manual resume from disk<br>[ 2.927327] PM: Hibernation image partition 202:1 present<br>[ 2.927329] PM: Looking for hibernation image.<br>[ 2.927847] PM: Image not found (code -22)<br>[ 2.927850] PM: Hibernation image not present or could not be loaded.<br>[ 5.327133] random: nonblocking pool is initialized<br>[ 6.193668] EXT4-fs (xvda2): mounted filesystem with ordered data mode. Opts: (null)<br>[ 9.539459] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ -SECCOMP -APPARMOR)<br>[ 9.539564] systemd[1]: Detected virtualization 'xen'.<br>[ 9.539579] systemd[1]: Detected architecture 'x86-64'.<br>[ 10.339528] systemd[1]: Inserted module 'autofs4'<br>[ 10.396195] systemd[1]: Set hostname to <bug>.<br>[ 11.949956] systemd[1]: Cannot add dependency job for unit dbus.socket, ignoring: Unit dbus.socket failed to load: No such file or directory.<br>[ 11.949986] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit display-manager.service failed to load: No such file or directory.<br>[ 11.950446] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.<br>[ 11.950588] systemd[1]: Started Forward Password Requests to Wall Directory Watch.<br>[ 11.950615] systemd[1]: Expecting device dev-hvc0.device...<br>[ 11.950786] systemd[1]: Starting Remote File Systems (Pre).<br>[ 11.950883] systemd[1]: Reached target Remote File Systems (Pre).<br>[ 11.950934] systemd[1]: Starting Arbitrary Executable File Formats File System Automount Point.<br>[ 11.951149] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.<br>[ 11.951187] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.<br>[ 11.951267] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.<br>[ 11.951288] systemd[1]: Starting Paths.<br>[ 11.951371] systemd[1]: Reached target Paths.<br>[ 11.951394] systemd[1]: Starting Encrypted Volumes.<br>[ 11.951471] systemd[1]: Reached target Encrypted Volumes.<br>[ 11.951493] systemd[1]: Expecting device dev-xvda1.device...<br>[ 11.951570] systemd[1]: Starting Root Slice.<br>[ 11.951673] systemd[1]: Created slice Root Slice.<br>[ 11.951695] systemd[1]: Starting User and Session Slice.<br>[ 11.951819] systemd[1]: Created slice User and Session Slice.<br>[ 11.951842] systemd[1]: Starting Delayed Shutdown Socket.<br>[ 11.952330] systemd[1]: Listening on Delayed Shutdown Socket.<br>[ 11.952357] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.<br>[ 11.952491] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.<br>[ 11.952514] systemd[1]: Starting Journal Socket (/dev/log).<br>[ 11.952651] systemd[1]: Listening on Journal Socket (/dev/log).<br>[ 11.952684] systemd[1]: Starting udev Kernel Socket.<br>[ 11.952790] systemd[1]: Listening on udev Kernel Socket.<br>[ 11.952819] systemd[1]: Starting udev Control Socket.<br>[ 11.952930] systemd[1]: Listening on udev Control Socket.<br>[ 11.952957] systemd[1]: Starting Journal Socket.<br>[ 11.953089] systemd[1]: Listening on Journal Socket.<br>[ 11.953127] systemd[1]: Starting System Slice.<br>[ 11.953270] systemd[1]: Created slice System Slice.<br>[ 11.953311] systemd[1]: Starting File System Check on Root Device...<br>[ 11.954749] systemd[1]: Starting system-getty.slice.<br>[ 11.954968] systemd[1]: Created slice system-getty.slice.<br>[ 11.954992] systemd[1]: Starting system-serial\x2dgetty.slice.<br>[ 11.955134] systemd[1]: Created slice system-serial\x2dgetty.slice.<br>[ 11.955226] systemd[1]: Starting Increase datagram queue length...<br>[ 11.956709] systemd[1]: Mounting POSIX Message Queue File System...<br>[ 11.959557] systemd[1]: Mounting Debug File System...<br>[ 12.135725] systemd[1]: Started Set Up Additional Binary Formats.<br>[ 12.135808] systemd[1]: Mounting Huge Pages File System...<br>[ 12.137545] systemd[1]: Starting Create list of required static device nodes for the current kernel...<br>[ 12.224465] systemd[1]: Starting Load Kernel Modules...<br>[ 12.226092] systemd[1]: Starting udev Coldplug all Devices...<br>[ 12.227596] systemd[1]: Starting Slices.<br>[ 12.227728] systemd[1]: Reached target Slices.<br>[ 12.233385] systemd[1]: Started Increase datagram queue length.<br>[ 12.233708] systemd[1]: Starting Syslog Socket.<br>[ 12.233859] systemd[1]: Listening on Syslog Socket.<br>[ 12.233889] systemd[1]: Starting Sockets.<br>[ 12.233969] systemd[1]: Reached target Sockets.<br>[ 12.233995] systemd[1]: Starting Journal Service...<br>[ 12.235536] systemd[1]: Started Journal Service.<br>[ 14.527439] systemd-udevd[142]: starting version 215<br>[ 14.879135] EXT4-fs (xvda2): re-mounted. Opts: errors=remount-ro<br>[ 15.060743] systemd-journald[124]: Received request to flush runtime journal from PID 1<br>[ 15.138443] input: PC Speaker as /devices/platform/pcspkr/input/input0<br>[ 15.140288] pcifront pci-0: Installing PCI frontend<br>[ 15.140314] xen:swiotlb_xen: Warning: only able to allocate 4 MB for software IO TLB<br>[ 15.143506] software IO TLB [mem 0x02400000-0x02800000] (4MB) mapped at [ffff880002400000-ffff8800027fffff]<br>[ 15.143821] pcifront pci-0: Creating PCI Frontend Bus 0000:00<br>[ 15.144654] pcifront pci-0: PCI host bridge to bus 0000:00<br>[ 15.144666] pci_bus 0000:00: root bus resource [io 0x0000-0xffff]<br>[ 15.144672] pci_bus 0000:00: root bus resource [mem 0x00000000-0xfffffffff]<br>[ 15.144679] pci_bus 0000:00: root bus resource [bus 00-ff]<br>[ 15.145145] pci 0000:00:01.0: [1912:0014] type 00 class 0x0c0330<br>[ 15.145589] pci 0000:00:01.0: reg 0x10: [mem 0xfbff0000-0xfbff1fff 64bit]<br>[ 15.150664] pci 0000:00:00.1: [14e4:165f] type 00 class 0x020000<br>[ 15.151307] pci 0000:00:00.1: reg 0x10: [mem 0xfabc0000-0xfabcffff 64bit pref]<br>[ 15.151733] pci 0000:00:00.1: reg 0x18: [mem 0xfabb0000-0xfabbffff 64bit pref]<br>[ 15.152192] pci 0000:00:00.1: reg 0x20: [mem 0xfaba0000-0xfabaffff 64bit pref]<br>[ 15.155084] pcifront pci-0: New device on 0000:00:00.1 found.<br>[ 15.157304] pcifront pci-0: claiming resource 0000:00:01.0/0<br>[ 15.157316] pcifront pci-0: claiming resource 0000:00:00.1/0<br>[ 15.157321] pcifront pci-0: claiming resource 0000:00:00.1/2<br>[ 15.157326] pcifront pci-0: claiming resource 0000:00:00.1/4<br>[ 15.157608] pci 0000:00:01.0: Xen PCI mapped GSI18 to IRQ29<br>[ 15.226457] alg: No test for crc32 (crc32-pclmul)<br>[ 15.365920] intel_rapl: Found RAPL domain package<br>[ 15.365934] intel_rapl: Found RAPL domain core<br>[ 15.416601] usbcore: registered new interface driver usbfs<br>[ 15.416868] usbcore: registered new interface driver hub<br>[ 15.416932] usbcore: registered new device driver usb<br>[ 15.448763] xen:events: xen_bind_pirq_gsi_to_irq: returning irq 29 for gsi 18<br>[ 15.448783] xhci_hcd 0000:00:01.0: Xen PCI mapped GSI18 to IRQ29<br>[ 15.449088] xhci_hcd 0000:00:01.0: xHCI Host Controller<br>[ 15.449105] xhci_hcd 0000:00:01.0: new USB bus registered, assigned bus number 1<br>[ 15.461222] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002<br>[ 15.461245] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1<br>[ 15.461265] usb usb1: Product: xHCI Host Controller<br>[ 15.461271] usb usb1: Manufacturer: Linux 3.16.0-4-amd64 xhci_hcd<br>[ 15.461276] usb usb1: SerialNumber: 0000:00:01.0<br>[ 15.461635] hub 1-0:1.0: USB hub found<br>[ 15.461660] hub 1-0:1.0: 2 ports detected<br>[ 15.461796] xhci_hcd 0000:00:01.0: xHCI Host Controller<br>[ 15.461808] xhci_hcd 0000:00:01.0: new USB bus registered, assigned bus number 2<br>[ 15.461855] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM.<br>[ 15.461885] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003<br>[ 15.461891] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1<br>[ 15.461897] usb usb2: Product: xHCI Host Controller<br>[ 15.461901] usb usb2: Manufacturer: Linux 3.16.0-4-amd64 xhci_hcd<br>[ 15.461906] usb usb2: SerialNumber: 0000:00:01.0<br>[ 15.462175] hub 2-0:1.0: USB hub found<br>[ 15.462194] hub 2-0:1.0: 2 ports detected<br>[ 15.523663] pps_core: LinuxPPS API ver. 1 registered<br>[ 15.523676] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <<a href="mailto:giometti@linux.it">giometti@linux.it</a>><br>[ 15.557171] PTP clock support registered<br>[ 15.642442] tg3.c:v3.137 (May 11, 2014)<br>[ 15.642549] tg3 0000:00:00.1: Xen PCI mapped GSI17 to IRQ32<br>[ 15.673476] tg3 0000:00:00.1 eth1: Tigon3 [partno(N/A) rev 5720000] (PCI Express) MAC address 34:64:a9:9a:a8:b1<br>[ 15.673494] tg3 0000:00:00.1 eth1: attached PHY is 5720C (10/100/1000Base-T Ethernet) (WireSpeed[1], EEE[1])<br>[ 15.673502] tg3 0000:00:00.1 eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] TSOcap[1]<br>[ 15.673508] tg3 0000:00:00.1 eth1: dma_rwctrl[00000001] dma_mask[64-bit]<br>[ 15.727471] Adding 262140k swap on /dev/xvda1. Priority:-1 extents:1 across:262140k SSFS<br>[ 15.776043] usb 1-1: new high-speed USB device number 2 using xhci_hcd<br>[ 15.908336] usb 1-1: New USB device found, idVendor=1307, idProduct=0163<br>[ 15.908350] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3<br>[ 15.908356] usb 1-1: Product: USB Mass Storage Device<br>[ 15.908361] usb 1-1: Manufacturer: USBest Technology<br>[ 15.908366] usb 1-1: SerialNumber: 081104644414d4<br>[ 15.996660] SCSI subsystem initialized<br>[ 16.008836] usb-storage 1-1:1.0: USB Mass Storage device detected<br>[ 16.008940] scsi0 : usb-storage 1-1:1.0<br>[ 16.009037] usbcore: registered new interface driver usb-storage<br>[ 17.009371] scsi 0:0:0:0: Direct-Access 0.00 PQ: 0 ANSI: 2<br>[ 17.011432] scsi 0:0:0:1: CD-ROM 0.00 PQ: 0 ANSI: 0 CCS<br>[ 17.075703] sr0: scsi3-mmc drive: 93x/93x cd/rw xa/form2 cdda tray<br>[ 17.075720] cdrom: Uniform CD-ROM driver Revision: 3.20<br>[ 17.076299] sr 0:0:0:1: Attached scsi CD-ROM sr0<br>[ 17.092662] scsi 0:0:0:0: Attached scsi generic sg0 type 0<br>[ 17.092787] sr 0:0:0:1: Attached scsi generic sg1 type 5<br>[ 17.149685] sd 0:0:0:0: [sda] 1968127 512-byte logical blocks: (1.00 GB/960 MiB)<br>[ 17.151230] sd 0:0:0:0: [sda] Write Protect is off<br>[ 17.151242] sd 0:0:0:0: [sda] Mode Sense: 00 00 00 00<br>[ 17.154123] sd 0:0:0:0: [sda] Asking for cache data failed<br>[ 17.154139] sd 0:0:0:0: [sda] Assuming drive cache: write through<br>[ 17.269987] sda: sda1 sda2<br>[ 17.272430] sd 0:0:0:0: [sda] Attached SCSI removable disk<br><br><br></div><div>dom0 "xl dmesg":<br>(XEN) Xen version 4.4.1 (Debian 4.4.1-9+deb8u3) (<a href="mailto:ultrotter@debian.org">ultrotter@debian.org</a>) (gcc (Debian 4.9.2-10) 4.9.2) debug=n Wed Nov 25 15:46:22 EET 2015<br>(XEN) Bootloader: GRUB 2.02~beta2-22+deb8u1<br>(XEN) Command line: placeholder dom0_mem=1024M,max:1024M<br>(XEN) Video information:<br>(XEN) VGA is text mode 80x25, font 8x16<br>(XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds<br>(XEN) EDID info not retrieved because no DDC retrieval method detected<br>(XEN) Disc information:<br>(XEN) Found 4 MBR signatures<br>(XEN) Found 2 EDD information structures<br>(XEN) Xen-e820 RAM map:<br>(XEN) 0000000000000000 - 0000000000099800 (usable)<br>(XEN) 0000000000099800 - 0000000000099c00 (reserved)<br>(XEN) 000000000009e000 - 00000000000a0000 (reserved)<br>(XEN) 00000000000f0000 - 0000000000100000 (reserved)<br>(XEN) 0000000000100000 - 00000000f1de4000 (usable)<br>(XEN) 00000000f1de4000 - 00000000f1dee000 (ACPI data)<br>(XEN) 00000000f1dee000 - 00000000f8000000 (reserved)<br>(XEN) 00000000fec00000 - 00000000fee10000 (reserved)<br>(XEN) 00000000ff800000 - 0000000100000000 (reserved)<br>(XEN) 0000000100000000 - 000000028bfff000 (usable)<br>(XEN) ACPI: RSDP 000F4F00, 0024 (r2 HP )<br>(XEN) ACPI: XSDT F1DE6400, 00B4 (r1 HP ProLiant 2 � 162E)<br>(XEN) ACPI: FACP F1DE6540, 00F4 (r3 HP ProLiant 2 � 162E)<br>(XEN) ACPI: DSDT F1DE6640, 1C1A (r1 HP DSDT 1 INTL 20030228)<br>(XEN) ACPI: FACS F1DE4140, 0040<br>(XEN) ACPI: SPCR F1DE4180, 0050 (r1 HP SPCRRBSU 1 � 162E)<br>(XEN) ACPI: MCFG F1DE4200, 003C (r1 HP ProLiant 1 0)<br>(XEN) ACPI: HPET F1DE4240, 0038 (r1 HP ProLiant 2 � 162E)<br>(XEN) ACPI: FFFF F1DE4280, 0064 (r2 HP ProLiant 2 � 162E)<br>(XEN) ACPI: SPMI F1DE4300, 0040 (r5 HP ProLiant 1 � 162E)<br>(XEN) ACPI: ERST F1DE4340, 0230 (r1 HP ProLiant 1 � 162E)<br>(XEN) ACPI: APIC F1DE4580, 0252 (r1 HP ProLiant 2 0)<br>(XEN) ACPI: FFFF F1DE4800, 0176 (r1 HP ProLiant 1 � 162E)<br>(XEN) ACPI: BERT F1DE4980, 0030 (r1 HP ProLiant 1 � 162E)<br>(XEN) ACPI: HEST F1DE49C0, 00BC (r1 HP ProLiant 1 � 162E)<br>(XEN) ACPI: FFFF F1DE4A80, 1914 (r1 HP ProLiant 1 � 162E)<br>(XEN) ACPI: FFFF F1DE63C0, 002D (r1 HP ProLiant 1 0)<br>(XEN) ACPI: SSDT F1DE8280, 0137 (r3 HP CRSPCI0 2 HP 1)<br>(XEN) ACPI: SSDT F1DE83C0, 0177 (r3 HP riser0 2 INTL 20030228)<br>(XEN) ACPI: SSDT F1DE8540, 01E1 (r1 HP pcc 1 INTL 20090625)<br>(XEN) ACPI: SSDT F1DE8740, 0377 (r1 HP pmab 1 INTL 20090625)<br>(XEN) ACPI: SSDT F1DE8AC0, 0504 (r1 INTEL PPM RCM 80000001 INTL 20061109)<br>(XEN) System RAM: 10205MB (10450416kB)<br>(XEN) Domain heap initialised<br>(XEN) Processor #0 7:10 APIC version 21<br>(XEN) Processor #2 7:10 APIC version 21<br>(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23<br>(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs<br>(XEN) Using scheduler: SMP Credit Scheduler (credit)<br>(XEN) Detected 2294.851 MHz processor.<br>(XEN) Initing memory sharing.<br>(XEN) xstate_init: using cntxt_size: 0x240 and states: 0x3<br>(XEN) I/O virtualisation disabled<br>(XEN) Enabled directed EOI with ioapic_ack_old on!<br>(XEN) ENABLING IO-APIC IRQs<br>(XEN) -> Using old ACK method<br>(XEN) Platform timer is 14.318MHz HPET<br>(XEN) Allocated console ring of 16 KiB.<br>(XEN) VMX: Supported advanced features:<br>(XEN) - APIC MMIO access virtualisation<br>(XEN) - APIC TPR shadow<br>(XEN) - Extended Page Tables (EPT)<br>(XEN) - Virtual-Processor Identifiers (VPID)<br>(XEN) - Virtual NMI<br>(XEN) - MSR direct-access bitmap<br>(XEN) - Unrestricted Guest<br>(XEN) HVM: ASIDs enabled.<br>(XEN) HVM: VMX enabled<br>(XEN) HVM: Hardware Assisted Paging (HAP) detected<br>(XEN) HVM: HAP page sizes: 4kB, 2MB<br>(XEN) Brought up 2 CPUs<br>(XEN) *** LOADING DOMAIN 0 ***<br>(XEN) Xen kernel: 64-bit, lsb, compat32<br>(XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x1f18000<br>(XEN) PHYSICAL MEMORY ARRANGEMENT:<br>(XEN) Dom0 alloc.: 000000023c000000->0000000240000000 (241834 pages to be allocated)<br>(XEN) Init. ramdisk: 000000028aeaa000->000000028bdffc27<br>(XEN) VIRTUAL MEMORY ARRANGEMENT:<br>(XEN) Loaded kernel: ffffffff81000000->ffffffff81f18000<br>(XEN) Init. ramdisk: ffffffff81f18000->ffffffff82e6dc27<br>(XEN) Phys-Mach map: ffffffff82e6e000->ffffffff8306e000<br>(XEN) Start info: ffffffff8306e000->ffffffff8306e4b4<br>(XEN) Page tables: ffffffff8306f000->ffffffff8308c000<br>(XEN) Boot stack: ffffffff8308c000->ffffffff8308d000<br>(XEN) TOTAL: ffffffff80000000->ffffffff83400000<br>(XEN) ENTRY ADDRESS: ffffffff819021f0<br>(XEN) Dom0 has maximum 2 VCPUs<br>(XEN) Scrubbing Free RAM: ..........................................................................................done.<br>(XEN) Initial low memory virq threshold set at 0x4000 pages.<br>(XEN) Std. Loglevel: Errors and warnings<br>(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)<br>(XEN) Xen is relinquishing VGA console.<br>(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)<br>(XEN) Freed 284kB init memory.<br>(XEN) mm.c:812: d13: Forcing read-only access to MFN fbff1<br>(XEN) mm.c:812: d13: Forcing read-only access to MFN fbff1<br>(XEN) mm.c:812: d13: Forcing read-only access to MFN fbff1<br>(XEN) mm.c:812: d0: Forcing read-only access to MFN fbff1<br><br></div><div><div><div><br><br></div><div>Br,<br></div><div>Tommi Airikka<br></div><div><br></div></div></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Feb 4, 2016 at 10:37 AM, Ian Campbell <span dir="ltr"><<a href="mailto:ian.campbell@citrix.com" target="_blank">ian.campbell@citrix.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">On Wed, 2016-02-03 at 15:28 -0500, Konrad Rzeszutek Wilk wrote:<br>
> > > And I wonder if the XEN_DOMCTL_irq_permission aka,<br>
> > > xc_domain_irq_permission<br>
> > > had been called. I remember that at some point we missed it for<br>
> > > Xend..<br>
> > ><br>
><br>
> False alarm.<br>
><br>
> It was all in Linux. Attached are four patches (the first two<br>
> are for your issue you discovered).<br>
> I was wondering if there is a way for you to test them?<br>
<br>
</div></div>Tommy,<br>
<br>
Please see the Debian Kernel Handbook and in particular<br>
<a href="https://www.debian.org/doc/manuals/debian-kernel-handbook/ch-common-tasks.html#s-common-official" rel="noreferrer" target="_blank">https://www.debian.org/doc/manuals/debian-kernel-handbook/ch-common-tasks.html#s-common-official</a><br>
for instructions on rebuilding the Debian kernel with additional patches.<br>
<span class="HOEnZb"><font color="#888888"><br>
Ian.<br>
<br>
</font></span></blockquote></div><br></div>