linux-traipu team mailing list archive

[Thomas Mashos <1194222@xxxxxxxxxxxxxxxxxx>]

We really do appreciate you opening this ticket to help improve
Mythbuntu, but it needs to be closed for a number of reasons. The
biggest one is that upstream has moved on to a new version and believes
this to be fixed. Could you please verify if this issue still exists in
the latest version?

Please do not let the closing of this ticket dissuade you from opening a
new ticket if this (or any other) problem occurs with the newer
versions.

** Changed in: mythbuntu
       Status: New => Expired

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https://bugs.launchpad.net/bugs/1194222

Title:
  mythpreviewgen crashed with SIGSEGV in malloc_consolidate()

Status in Mythbuntu, Ubuntu derivative focused upon MythTV:
  Expired

Bug description:
  I was using mythweb on the backend machine to browse "Recorded
  Programs".  Apport-gtk popped up, responding to this segment
  violation.

  I don't actually know whata previewgen does and when, so I don't know
  if my browsing somehow invoked previewgen.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: mythtv-backend 2:0.26.0+fixes.20130624.cf2e05a-0ubuntu0mythbuntu1 [origin: LP-PPA-mythbuntu-0.26]
  ProcVersionSignature: Ubuntu 3.2.0-48.74-generic 3.2.46
  Uname: Linux 3.2.0-48-generic x86_64
  NonfreeKernelModules: nvidia
  .var.log.mythtv.mtd.log:
   mtd started at Sat Jan 8 00:13:43 2011
   mtd is running on a host called redblack
   00:13:43: Waiting for connections/jobs
   00:13:43: mtd is listening on port 2442
  .var.log.mythtv.mythavtest.log:
   
  .var.log.mythtv.mythccextractor.log:
   
  .var.log.mythtv.mythjobqueue.log:
   
  .var.log.mythtv.mythlcdserver.log:
   
  .var.log.mythtv.mythmediaserver.log:
   
  .var.log.mythtv.mythmetadatalookup.log:
   
  .var.log.mythtv.mythshutdown.log:
   
  .var.log.mythtv.mythtranscode.log:
   
  .var.log.mythtv.mythutil.log:
   
  .var.log.mythtv.mythwelcome.log:
   
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: amd64
  CrashDB: mythbuntu
  Date: Mon Jun 24 14:08:18 2013
  ExecutablePath: /usr/bin/mythpreviewgen
  Installed_mythtv_dbg: 2:0.26.0+fixes.20130624.cf2e05a-0ubuntu0mythbuntu1
  MarkForUpload: True
  ProcCmdline: /usr/bin/mythpreviewgen --size 320x240 --chanid 1010 --starttime 20110829203000 --outfile /mythspace2/recordings/1010_20110829163000.mpg.-1.320x240.png --verbose general --loglevel info --quiet --syslog local7
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
  SegvAnalysis:
   Segfault happened at: 0x7fcb2a3c9df2 <malloc_consolidate+210>:	mov    0x8(%rbx),%rdx
   PC (0x7fcb2a3c9df2) ok
   source "0x8(%rbx)" (0x1019e5708) not located in a known VMA region (needed readable region)!
   destination "%rdx" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: mythtv
  StacktraceTop:
   malloc_consolidate (av=0x7fcb2a703720) at malloc.c:4249
   malloc_consolidate (av=0x7fcb2a703720) at malloc.c:4226
   _int_free (av=0x7fcb2a703720, p=<optimized out>, have_lock=0) at malloc.c:4157
   ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
   ?? () from /usr/lib/nvidia-current-updates/libGL.so.1
  Title: mythpreviewgen crashed with SIGSEGV in malloc_consolidate()
  UpgradeStatus: Upgraded to precise on 2013-03-01 (115 days ago)
  UserGroups: audio cdrom dialout video

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