[Pkg-xen-devel] Bug#703266: Xen PCI passthrough: PCI Backend and pci-stub don't own sibling device 0000:00:00.0

Mike Viau mike.viau at sheridanc.on.ca
Wed May 1 17:42:13 UTC 2013 

UPDATE:

This bug does not reproduce in version: 4.1.4-3 since the domU creation is shadowed by another new bug [1].

Below is my hypervisor log or "xm dmesg" output since the 706543 bug also affects my system:

# xm dme
(XEN) Xen version 4.1.4 (Debian 4.1.4-3) (waldi at debian.org) (gcc version 4.7.2 (Debian 4.7.2-5) ) Fri Apr 19 11:34:20 UTC 2013
(XEN) Bootloader: GRUB 1.99-27+deb7u1
(XEN) Command line: placeholder dom0_mem=2G dom0_max_vcpus=4 iommu
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN)  Found 4 MBR signatures
(XEN)  Found 4 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000008f000 (usable)
(XEN)  000000000008f000 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000cf52c000 (usable)
(XEN)  00000000cf52c000 - 00000000cf534000 (reserved)
(XEN)  00000000cf534000 - 00000000cf56f000 (usable)
(XEN)  00000000cf56f000 - 00000000cf5bf000 (reserved)
(XEN)  00000000cf5bf000 - 00000000cf6bf000 (usable)
(XEN)  00000000cf6bf000 - 00000000cf7bf000 (ACPI NVS)
(XEN)  00000000cf7bf000 - 00000000cf7e5000 (usable)
(XEN)  00000000cf7e5000 - 00000000cf7ef000 (ACPI data)
(XEN)  00000000cf7ef000 - 00000000cf7f0000 (usable)
(XEN)  00000000cf7f0000 - 00000000cf7ff000 (ACPI data)
(XEN)  00000000cf7ff000 - 00000000cf800000 (usable)
(XEN)  00000000cf800000 - 00000000d0000000 (reserved)
(XEN)  00000000f8000000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000230000000 (usable)
(XEN) ACPI: RSDP 000FE020, 0024 (r2 INTEL )
(XEN) ACPI: XSDT CF7FD120, 0074 (r1 INTEL  KBIBX10J     1730       1000013)
(XEN) ACPI: FACP CF7FC000, 00F4 (r3 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: DSDT CF7F7000, 4110 (r2 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: FACS CF768000, 0040
(XEN) ACPI: APIC CF7F6000, 00BC (r2 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: WDDT CF7F5000, 0040 (r1 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: MCFG CF7F4000, 003C (r1 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: ASF! CF7F3000, 00A5 (r32 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: HPET CF7F2000, 0038 (r1 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: SSDT CF7E7000, 759C (r1 INTEL  SSDT  PM     1730 MSFT  100000D)
(XEN) ACPI: DMAR CF7E5000, 0080 (r1 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: WDTT CF7F1000, 0224 (r2 INTEL  KBIBX10J     1730 MSFT  100000D)
(XEN) ACPI: ASPT CF7F0000, 0034 (r5 INTEL  PerfTune     1730 MSFT  100000D)
(XEN) System RAM: 8182MB (8378488kB)
(XEN) Domain heap initialised
(XEN) Processor #0 7:14 APIC version 21
(XEN) Processor #1 7:14 APIC version 21
(XEN) Processor #2 7:14 APIC version 21
(XEN) Processor #3 7:14 APIC version 21
(XEN) Processor #4 7:14 APIC version 21
(XEN) Processor #5 7:14 APIC version 21
(XEN) Processor #5 7:14 APIC version 21
(XEN) Processor #6 7:14 APIC version 21
(XEN) Processor #7 7:14 APIC version 21
(XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) Table is not found!
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2800.206 MHz processor.
(XEN) Initing memory sharing.
(XEN) Intel VT-d supported page sizes: 4kB.
(XEN) Intel VT-d Snoop Control enabled.
(XEN) Intel VT-d Dom0 DMA Passthrough not enabled.
(XEN) Intel VT-d Queued Invalidation enabled.
(XEN) Intel VT-d Interrupt Remapping not enabled.
(XEN) Intel VT-d Shared EPT tables not enabled.
(XEN) I/O virtualisation enabled
(XEN)  - Dom0 mode: Relaxed
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) Platform timer is 14.318MHz HPET
(XEN) Allocated console ring of 16 KiB.
(XEN) VMX: Supported advanced features:
(XEN)  - APIC MMIO access virtualisation
(XEN)  - APIC TPR shadow
(XEN)  - Extended Page Tables (EPT)
(XEN)  - Virtual-Processor Identifiers (VPID)
(XEN)  - Virtual NMI
(XEN)  - MSR direct-access bitmap
(XEN) HVM: ASIDs enabled.
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging (HAP) detected
(XEN) HVM: HAP page sizes: 4kB, 2MB
(XEN) Brought up 8 CPUs
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x193d000
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000224000000->0000000226000000 (507577 pages to be allocated)
(XEN)  Init. ramdisk: 000000022deb9000->000000022ffffa00
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff81000000->ffffffff8193d000
(XEN)  Init. ramdisk: ffffffff8193d000->ffffffff83a83a00
(XEN)  Phys-Mach map: ffffffff83a84000->ffffffff83e84000
(XEN)  Start info:    ffffffff83e84000->ffffffff83e844b4
(XEN)  Page tables:   ffffffff83e85000->ffffffff83ea8000
(XEN)  Boot stack:    ffffffff83ea8000->ffffffff83ea9000
(XEN)  TOTAL:         ffffffff80000000->ffffffff84000000
(XEN)  ENTRY ADDRESS: ffffffff816ab200
(XEN) Dom0 has maximum 4 VCPUs
(XEN) Scrubbing Free RAM: .............................................................done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)
(XEN) Freed 244kB init memory.
(XEN) physdev.c:168: dom0: wrong map_pirq type 3



[1] - http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=706543


-M

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