Steve analyzed this in the duplicate bug 1495585. I'll adjust the
description here to make it easier to find/understand.
** Changed in: systemd (Ubuntu)
Status: Incomplete => Won't Fix
** Also affects: apport (Ubuntu)
Importance: Undecided
Status: New
** Changed in: apport (Ubuntu)
Status: New => Triaged
** Changed in: apport (Ubuntu)
Importance: Undecided => High
** Changed in: apport (Ubuntu)
Assignee: (unassigned) => Martin Pitt (pitti)
** Description changed:
Errors Bucket
-------------
https://errors.ubuntu.com/bucket/?id=/lib/systemd/systemd-journald%3A6%3A__epoll_wait_nocancel%3Asd_event_wait%3Asd_event_run%3Amain
- nothing
+
+ Sometimes userspace get locked up hard: A QEMU instance sees long hangs while
the host gets suspended, USB devices/drivers lock up for some time (like in
this bug's dmesg), or Google hangouts in bug 1495585.
+ The kernel detects that some process(es) get hard-locked up, the hardware
watchdog (which systemd configures for some crucial services to auto-restart
them via "WatchdogSec=1min") picks this up and restarts the process.
+
+ In that case, these crash reports only describe the symptom, not the
+ cause. They should be suppressed since they provide no information that
+ can be used to diagnose the actual root problem.
+
+
ProblemType: CrashDistroRelease: Ubuntu 15.04
Package: systemd 219-4ubuntu5 [modified:
usr/share/dbus-1/system-services/org.freedesktop.systemd1.service]
ProcVersionSignature: Ubuntu 3.19.0-8.8-generic 3.19.1
Uname: Linux 3.19.0-8-generic x86_64
ApportVersion: 2.16.2-0ubuntu3
Architecture: amd64
Date: Tue Mar 17 17:18:08 2015
ExecutablePath: /lib/systemd/systemd-journald
InstallationDate: Installed on 2014-02-24 (386 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 003: ID 0e0f:0002 VMware, Inc. Virtual USB Hub
Bus 002 Device 002: ID 0e0f:0003 VMware, Inc. Virtual Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: VMware, Inc. VMware Virtual Platform
ProcCmdline: /lib/systemd/systemd-journald
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-8-generic
root=UUID=7f776823-8240-460b-ab2d-45c8a2b2f2b6 ro quiet splash
Signal: 6SourcePackage: systemd
StacktraceTop:
__epoll_wait_nocancel () at ../sysdeps/unix/syscall-template.S:81
?? ()
?? ()
__libc_start_main (main=0x7f94ef54c760, argc=1, argv=0x7ffe7c6e2fa8,
init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7ffe7c6e2f98) at libc-start.c:287
?? ()
Title: systemd-journald crashed with SIGABRT in __epoll_wait_nocancel()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
dmi.bios.date: 05/20/2014
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: 440BX Desktop Reference Platform
dmi.board.vendor: Intel Corporation
dmi.board.version: None
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 1
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd05/20/2014:svnVMware,Inc.:pnVMwareVirtualPlatform:pvrNone:rvnIntelCorporation:rn440BXDesktopReferencePlatform:rvrNone:cvnNoEnclosure:ct1:cvrN/A:
dmi.product.name: VMware Virtual Platform
dmi.product.version: None
dmi.sys.vendor: VMware, Inc.
** Summary changed:
- systemd-journald, udev, logind crashed with SIGABRT in
__epoll_wait_nocancel() -- get killed by 1 min watchdog timeout
+ systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min
watchdog timeout on longer kernel lockups
** Changed in: apport (Ubuntu)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1433320
Title:
systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
min watchdog timeout on longer kernel lockups
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