[Bug 1494952] ThreadStacktrace.txt

[Apport retracing service]

** Attachment added: "ThreadStacktrace.txt"
   https://bugs.launchpad.net/bugs/1494952/+attachment/4461791/+files/ThreadStacktrace.txt

** Attachment removed: "CoreDump.gz"
   https://bugs.launchpad.net/bugs/1494952/+attachment/4461746/+files/CoreDump.gz

** Changed in: systemd (Ubuntu)
   Importance: Undecided => Medium

** Tags removed: need-amd64-retrace

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Title:
  systemd-timesyncd crashed with SIGABRT in epoll_wait()

Status in systemd package in Ubuntu:
  New

Bug description:
  Only occurs on QEMU-based virtual machine.

  ProblemType: Crash
  DistroRelease: Ubuntu 15.10
  Package: systemd 225-1ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
  Uname: Linux 4.2.0-7-generic x86_64
  ApportVersion: 2.18.1-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  Date: Thu Sep 10 22:52:55 2015
  ExecutablePath: /lib/systemd/systemd-timesyncd
  InstallationDate: Installed on 2015-03-25 (170 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150324)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  ProcCmdline: /lib/systemd/systemd-timesyncd
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=UUID=fc32a548-00cf-4d7f-8204-2080bfaf0ebc ro quiet splash vt.handoff=7
  Signal: 6
  SourcePackage: systemd
  StacktraceTop:
   epoll_wait () at ../sysdeps/unix/syscall-template.S:81
   ?? ()
   ?? ()
   __libc_start_main (main=0x55b565b91f70, argc=1, argv=0x7ffd518bfc98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd518bfc88) at libc-start.c:289
   ?? ()
  Title: systemd-timesyncd crashed with SIGABRT in epoll_wait()
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.7.5-20150306_163512-brownie
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-utopic
  dmi.modalias: dmi:bvnSeaBIOS:bvr1.7.5-20150306_163512-brownie:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-utopic:cvnQEMU:ct1:cvrpc-i440fx-utopic:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-utopic
  dmi.sys.vendor: QEMU

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