[Bug 960924] Re: plymouthd crashed with SIGSEGV in ply_event_loop_process_pending_events()

[Mo Z]

*** This bug is a duplicate of bug 553745 ***
    https://bugs.launchpad.net/bugs/553745

Funny Story :

I had this bug infinite number of times. I was not able to work at all.
The system would get to log-in window and crash after a few seconds.
Once I was able to work a whole minuet  before restart.....

In the following link I saw a comment which told me that this is a
consequence of a race between two drivers
https://bugs.freedesktop.org/show_bug.cgi?id=48894

So, I pulled out the Ethernet cable, and the problem disappeared. After
the system is UP, I can re-connect the Ethernet, and there is no
problem.....

More information :   I am working with Ubuntu 12.04 on an Ivy Bridge
machine....


** Bug watch added: freedesktop.org Bugzilla #48894
   https://bugs.freedesktop.org/show_bug.cgi?id=48894

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https://bugs.launchpad.net/bugs/960924

Title:
  plymouthd crashed with SIGSEGV in
  ply_event_loop_process_pending_events()

Status in “plymouth” package in Ubuntu:
  Confirmed

Bug description:
  Crashed after reboot, it ALWAYS crashes whenever the PC is turned on.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: plymouth 0.8.2-2ubuntu28
  ProcVersionSignature: Ubuntu 3.2.0-19.30-generic-pae 3.2.11
  Uname: Linux 3.2.0-19-generic-pae i686
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: i386
  Date: Thu Mar 15 10:57:51 2012
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  ExecutablePath: /sbin/plymouthd
  MachineType: OEM OEM
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-19-generic-pae root=UUID=0d78bbe0-36ab-46e8-8b9f-16e36ad3dac5 ro quiet splash vt.handoff=7
  ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
  ProcEnviron: PATH=(custom, no user)
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-19-generic-pae root=UUID=0d78bbe0-36ab-46e8-8b9f-16e36ad3dac5 ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0xb78305b7 <ply_event_loop_process_pending_events+455>:	test   %ecx,0x4(%esi)
   PC (0xb78305b7) 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 precise on 2012-03-17 (4 days ago)
  UserGroups:
   
  dmi.bios.date: 07/30/2008
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: 6.00 PG
  dmi.board.name: G31MX Series
  dmi.board.vendor: Foxconn
  dmi.chassis.type: 3
  dmi.chassis.vendor: OEM
  dmi.chassis.version: OEM
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd07/30/2008:svnOEM:pnOEM:pvrOEM:rvnFoxconn:rnG31MXSeries:rvr:cvnOEM:ct3:cvrOEM:
  dmi.product.name: OEM
  dmi.product.version: OEM
  dmi.sys.vendor: OEM

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