[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[itszn]

I have just started using an Ubuntu 18.04.1 LTS server image in VMWare 
Workstation 15 this week.
When ever my host suspends, the systemd's watchdog times out many services 
including logind. This causes the x server to crash. (Which is really annoying 
since it kills all my terminals)

This is reproducible every time I suspend my host.

Systemd logs the following:
ubuntu systemd[1]: systemd-logind.service: Watchdog timeout (limit 3min)!
ubuntu systemd[1]: systemd-logind.service: Killing process 1122 
(systemd-logind) with signal SIGABRT.

Increasing the watchdog time does not seem to help as it still is killed
after the longer time.

I'm going to try removing the WatchdogSec option but that seems like a
hack.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Joe Marty]

I spoke too soon.  I'm now getting the same error in the new VM, which
was created from scratch.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Joe Marty]

Incidentally, I only get this bug in a virtual machine that I had
"copied" from one computer to another.  I was able to re-create the
virtual machine from scratch (using the same install image, and
installing the same software, etc) on the new computer, and did not get
the same issue in the new VM.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Joe Marty]

I don't know if this will help, but here's the vmware log:

** Attachment added: "VMWare log after crash and restart"
   
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1433320/+attachment/5178236/+files/vmware.log

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Joe Marty]

I'm having this same error occur on a new Ubuntu 18.04 VM, on VMWare
Player.  I don't understand why it was marked as "won't fix" for
systemd... ?

This is happening when I suspend my host machine (windows 10).  Upon
resuming, the VM has crashed and goes through the startup process, then
reports this error.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Yuan Song]

I got this bug pretty frequently on my 16.04 desktop(4.4.0-36-generic
#55)


Program received signal SIGABRT, Aborted.
0x7f8b6afa160a in timerfd_settime () at 
../sysdeps/unix/syscall-template.S:84
#0  0x7f8b6afa160a in timerfd_settime () at 
../sysdeps/unix/syscall-template.S:84
#1  0x55d36e6c416e in ?? ()
#2  0x55d36e69f4ea in ?? ()
#3  0x7f8b6aeba830 in __libc_start_main (main=0x55d36e69e540, argc=1, 
argv=0x7fffecd24e58, init=, fini=, 
rtld_fini=, stack_end=0x7fffecd24e48)
at ../csu/libc-start.c:291
#4  0x55d36e69f8c9 in ?? ()
A debugging session is active.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

pitti, the problem occurs only on a virtual machine which is on a laptop
which gets frequently suspended (suspend to RAM). So processing gets
stopped at a point of time and when it carries on after waking up from
suspend the watchdog timers have all timed out. They should be stopped
during the suspend, too.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Martin Pitt]

Well, the "crash" itself can't be fixed in userspace -- your kernel
causes very long hangs in userspace processes for some reason, and the
watchdog timer sees this and kills/restarts the hung processes.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

pitti, I still get the same crashes as I get all the time. Seems still
not be fixed.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

pitti, seems still not to be fixed, I started my QEMU virtual machine
with Wily and got: bug 1506796, bug 1506797, bug 1506798, bug 1506799,
bug 1506800, and bug 1506801.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

pitti, the problem seems not to be fixed yet, today I got this one: bug
1504167

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

For my QEMU-based virtual machines this fix seems not to have worked
out. I still get the same amount of crash reports even with the fixed
Apport installed.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Till Kamppeter]

See my duplicate bug report bug 1500968 as an example for a crash report
which occured with the fixed Apport installed.

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Launchpad Bug Tracker]

This bug was fixed in the package apport - 2.19-0ubuntu1

---
apport (2.19-0ubuntu1) wily; urgency=medium

  * New upstream release:
- apport: Drop re-nicing. This might decrease the time a user has to wait
  for apport to finish the core dump for a crashed/hanging foreground
  process.  (See LP #1278780)
- kernel_crashdump: Enforce that the log/dmesg files are not a symlink.
  This prevents normal users from pre-creating a symlink to the
  predictable .crash file, and thus triggering a "fill up disk" DoS attack
  when the .crash report tries to include itself. Thanks to halfdog for
  discovering this!  (CVE-2015-1338, part of LP #1492570)
- SECURITY FIX: Fix all writers of report files (package_hook,
  kernel_crashdump, and similar) to open the report file exclusively,
  i. e.  fail if they already exist. This prevents privilege escalation
  through symlink attacks. Note that this will also prevent overwriting
  previous reports with the same same. Thanks to halfdog for discovering
  this!  (CVE-2015-1338, LP: #1492570)
- apport: Ignore process restarts from systemd's watchdog. Their traces
  are usually useless as they don't have any information about the actual
  reasaon why processes hang (like VM suspends or kernel lockups with bad
  hardware) (LP: #1433320)

 -- Martin Pitt   Thu, 24 Sep 2015 14:41:54
+0200

** Changed in: apport (Ubuntu)
   Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1338

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Launchpad Bug Tracker]

** Branch linked: lp:apport

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Martin Pitt]

** Changed in: apport (Ubuntu)
   Status: In Progress => Fix Committed

** Changed in: systemd (Ubuntu)
   Status: Triaged => Won't Fix

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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[Bug 1433320] Re: systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1 min watchdog timeout on longer kernel lockups

[Martin Pitt]

** Changed in: systemd (Ubuntu)
   Status: Won't Fix => Triaged

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Title:
  systemd-journald, udev, logind crashed with SIGABRT -- get killed by 1
  min watchdog timeout on longer kernel lockups

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