[Bug 1377046] Re: plymouthd crashed with SIGSEGV in ply_event_loop_stop_watching_fd()

[Daniel van Vugt]

*** This bug is a duplicate of bug 1284654 ***
    https://bugs.launchpad.net/bugs/1284654

** This bug is no longer a duplicate of private bug 1051264
** This bug has been marked a duplicate of private bug 1284654

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https://bugs.launchpad.net/bugs/1377046

Title:
  plymouthd crashed with SIGSEGV in ply_event_loop_stop_watching_fd()

Status in plymouth package in Ubuntu:
  New

Bug description:
  ubuntu 14.10
  at boot. DIsplay froze, crash then restart. Several bug trigger at smae time. Several report
  generated. Difficult to say which buf create wich diagnostic.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.10
  Package: plymouth 0.9.0-0ubuntu6
  ProcVersionSignature: Ubuntu 3.16.0-20.27-generic 3.16.3
  Uname: Linux 3.16.0-20-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  CrashCounter: 1
  Date: Fri Oct  3 07:34:10 2014
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationDate: Installed on 2013-11-14 (323 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 2191
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic.efi.signed root=UUID=42f32e25-c311-4811-9c71-19fd8ef53c6d ro quiet acpi_backlight=vendor
  ProcCmdline: @sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-20-generic.efi.signed root=UUID=42f32e25-c311-4811-9c71-19fd8ef53c6d ro quiet acpi_backlight=vendor
  SegvAnalysis:
   Segfault happened at: 0x7f0692cf3313 <ply_event_loop_stop_watching_fd+99>:	mov    (%rbx),%eax
   PC (0x7f0692cf3313) ok
   source "(%rbx)" (0x0000000a) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_event_loop_stop_watching_fd () from /lib/x86_64-linux-gnu/libply.so.4
   ?? () from /lib/x86_64-linux-gnu/libply.so.4
   ply_terminal_session_detach () from /lib/x86_64-linux-gnu/libply.so.4
   ?? ()
   ?? ()
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_event_loop_stop_watching_fd()
  UpgradeStatus: Upgraded to utopic on 2014-09-23 (9 days ago)
  UserGroups:
   
  dmi.bios.date: 01/21/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 66CN54WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900003WIN8 STD MLT
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo IdeaPad Yoga 13
  dmi.modalias: dmi:bvnLENOVO:bvr66CN54WW:bd01/21/2013:svnLENOVO:pn2191:pvrLenovoIdeaPadYoga13:rvnLENOVO:rnINVALID:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoIdeaPadYoga13:
  dmi.product.name: 2191
  dmi.product.version: Lenovo IdeaPad Yoga 13
  dmi.sys.vendor: LENOVO

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