[Bug 849414] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

[Charlie Kravetz]

Experienced this issue after a fresh Xubuntu Oneiric Ocelot installation
using the image dated 2011-09-29. Unfortunately, the crash occurred on
the first restart after installing. Specifically:

1. install Xubuntu
2. remove cd and restart computer by hitting Enter
3. login to the desktop
4. open a terminal and run "sudo apt-get update", "sudo apt-get dist-upgrade"
5. after updates complete, click on name in panel, click on reboot
6. login 
7. observe crash report

After the crash, Plymouth does not start immediately, but shows up
immediately before the lightdm screen. It is almost a flash of plymouth.
I was not able to reproduce the crash.

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https://bugs.launchpad.net/bugs/849414

Title:
  plymouthd crashed with SIGSEGV in
  ply_event_loop_process_pending_events()

Status in “plymouth” package in Ubuntu:
  Incomplete

Bug description:
  System did not crash. Bug reporter popped up, so I am reporting. Other
  reports were for 10.04, not 11.10 beta. hope this helps.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: plymouth 0.8.2-2ubuntu25
  ProcVersionSignature: Ubuntu 3.0.0-11.17-generic 3.0.4
  Uname: Linux 3.0.0-11-generic i686
  ApportVersion: 1.22.1-0ubuntu2
  Architecture: i386
  Date: Tue Sep 13 16:35:33 2011
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 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 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: Dell Inc. Latitude D610
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=53aeeb3c-456d-40c6-888f-68577cebacd4 ro quiet splash vt.handoff=7
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=53aeeb3c-456d-40c6-888f-68577cebacd4 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x5ce5b7 <ply_event_loop_process_pending_events+455>:	test   %ecx,0x4(%esi)
   PC (0x005ce5b7) ok
   source "%ecx" ok
   destination "0x4(%esi)" (0x00000004) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: plymouth
  StacktraceTop:
   ply_event_loop_process_pending_events () from /lib/libply.so.2
   ply_event_loop_run () from /lib/libply.so.2
   ?? ()
   __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
   ?? ()
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  Title: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()
  UpgradeStatus: Upgraded to oneiric on 2011-09-05 (7 days ago)
  UserGroups:
   
  dmi.bios.date: 10/02/2005
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0U8082
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd10/02/2005:svnDellInc.:pnLatitudeD610:pvr:rvnDellInc.:rn0U8082:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude D610
  dmi.sys.vendor: Dell Inc.

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