Bug#826782: systemd.automount fails to mount filesystem after unmount do to a timeout, then crashes
Erik
Erik.Haller at gmail.com
Thu Jun 9 01:51:00 BST 2016
Package: systemd
Version: 230-2
Severity: important
Performed a btrfs snapshot and upgraded. systemd upgraded from 229-6
to 230-2. systemd.automount no longer
remounts a path after the timeout. systemd crashes. Here is the journal
output:
Jun 08 17:29:51 incense systemd[1]: opt-erik-auto-p.automount: Got
automount request for /opt/erik/auto/p, triggered by 1724 (go)
Jun 08 17:29:51 incense systemd[1]: Mounting /opt/erik/auto/p...
Jun 08 17:29:52 incense systemd[1]: Mounted /opt/erik/auto/p.
Jun 08 17:30:16 incense systemd[1]: Unmounting /opt/erik/auto/p...
Jun 08 17:30:16 incense systemd[1]: Unmounted /opt/erik/auto/p.
Jun 08 17:32:55 incense ksu[3074]: 'ksu root' authenticated
erik at BROADLUX.COM for erik on /dev/pts/1
Jun 08 17:32:55 incense ksu[3074]: Account root: authorization for
erik at BROADLUX.COM for execution of /bin/bash successful
Jun 08 17:35:48 incense kernel: INFO: task go:2524 blocked for more than
120 seconds.
Jun 08 17:35:48 incense kernel: Tainted: P OE
4.5.0-2-686-pae #1
Jun 08 17:35:48 incense kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 08 17:35:48 incense kernel: go D e44b2f40 0 2524
2421 0x00000004
Jun 08 17:35:48 incense kernel: e44b2f40 00000086 efdcfe00 e44b2f40
c1561fa6 f77c6d00 f711c940 efdcfe00
Jun 08 17:35:48 incense kernel: f77c6d00 f711c100 efdcfe00 e4722000
00000000 7fffffff e4721c7c c156267d
Jun 08 17:35:48 incense kernel: f69dd3d0 e4721ce0 c1565025 eaece540
e4721d10 f83eb778 eb7c3900 f83ee89a
Jun 08 17:35:48 incense kernel: Call Trace:
Jun 08 17:35:48 incense kernel: [<c1561fa6>] ? __schedule+0x2b6/0x960
Jun 08 17:35:48 incense kernel: [<c156267d>] ? schedule+0x2d/0x80
Jun 08 17:35:48 incense kernel: [<c1565025>] ?
schedule_timeout+0x185/0x210
Jun 08 17:35:48 incense kernel: [<f83eb778>] ? autofs4_wait+0x438/0x840
[autofs4]
Jun 08 17:35:48 incense kernel: [<c1563072>] ?
wait_for_completion+0xc2/0xf0
Jun 08 17:35:48 incense kernel: [<c1092bd0>] ? wake_up_q+0x70/0x70
Jun 08 17:35:48 incense kernel: [<f83ec813>] ?
autofs4_expire_wait+0x73/0x140 [autofs4]
Jun 08 17:35:48 incense kernel: [<f83ea2d6>] ?
autofs4_d_manage+0x66/0x190 [autofs4]
Jun 08 17:35:48 incense kernel: [<c12e1a58>] ?
lockref_put_or_lock+0x8/0x30
Jun 08 17:35:48 incense kernel: [<c11da3b5>] ? dput+0xa5/0x210
Jun 08 17:35:48 incense kernel: [<f83ea270>] ?
autofs4_dir_unlink+0x130/0x130 [autofs4]
Jun 08 17:35:48 incense kernel: [<c11cdebd>] ?
follow_managed+0x8d/0x2e0
Jun 08 17:35:48 incense kernel: [<f83ea270>] ?
autofs4_dir_unlink+0x130/0x130 [autofs4]
Jun 08 17:35:48 incense kernel: [<c11ce423>] ? lookup_fast+0x113/0x300
Jun 08 17:35:48 incense kernel: [<c11cfa8b>] ?
walk_component+0x3b/0x480
Jun 08 17:35:48 incense kernel: [<c11d01c1>] ?
link_path_walk+0x141/0x490
Jun 08 17:35:48 incense kernel: [<c11ce838>] ?
trailing_symlink+0x1b8/0x220
Jun 08 17:35:48 incense kernel: [<c11cd3d0>] ?
generic_readlink+0x90/0x90
Jun 08 17:35:48 incense kernel: [<c11d05ee>] ? path_lookupat+0x6e/0xe0
Jun 08 17:35:48 incense kernel: [<c11d2b97>] ?
filename_lookup+0x97/0x190
Jun 08 17:35:48 incense kernel: [<c11cecf0>] ?
lookup_one_len+0x120/0x120
Jun 08 17:35:48 incense kernel: [<c11d27f1>] ? getname_flags+0x51/0x1a0
Jun 08 17:35:48 incense kernel: [<c11c84f0>] ? vfs_fstatat+0x60/0xb0
Jun 08 17:35:48 incense kernel: [<c11c8ef1>] ? SyS_stat64+0x31/0x60
Jun 08 17:35:48 incense kernel: [<c105b170>] ?
__do_page_fault+0x1a0/0x460
Jun 08 17:35:48 incense kernel: [<c100382d>] ?
do_fast_syscall_32+0x8d/0x150
Jun 08 17:35:48 incense kernel: [<c156605b>] ?
sysenter_past_esp+0x40/0x61
-- Package-specific info:
-- System Information:
Debian Release: stretch/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 4.5.0-2-686-pae (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages systemd depends on:
ii adduser 3.114
ii libacl1 2.2.52-3
ii libapparmor1 2.10-4
ii libaudit1 1:2.5.2-1
ii libblkid1 2.28-5
ii libc6 2.22-9
ii libcap2 1:2.25-1
ii libcap2-bin 1:2.25-1
ii libcryptsetup4 2:1.7.0-2
ii libgcc1 1:6.1.1-4
ii libgcrypt20 1.7.0-2
ii libgpg-error0 1.22-2
ii libkmod2 22-1.1
ii liblzma5 5.1.1alpha+20120614-2.1
ii libmount1 2.28-5
ii libpam0g 1.1.8-3.3
ii libseccomp2 2.3.1-2
ii libselinux1 2.5-3
ii libsystemd0 230-2
ii mount 2.28-5
ii util-linux 2.28-5
Versions of packages systemd recommends:
ii dbus 1.10.8-1
ii libpam-systemd 230-2
Versions of packages systemd suggests:
ii systemd-container 230-2
pn systemd-ui <none>
Versions of packages systemd is related to:
ii udev 230-2
-- Configuration Files:
/etc/systemd/journald.conf changed [not included]
/etc/systemd/system.conf changed [not included]
/etc/systemd/timesyncd.conf changed [not included]
-- no debconf information
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