mythbuntu-bugs team mailing list archive

[iamlindoro <632756@xxxxxxxxxxxxxxxxxx>]

This particular segfault is fixed in r26191 (trunk) and r26192 (-fixes).

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mythtv-setup crashing during channel scan
https://bugs.launchpad.net/bugs/632756
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Status in Mythbuntu, Ubuntu derivative focused upon MythTV: New

Bug description:
When in the backend and doing a channel scan on tuner1 the program crashes back to the desktop after hitting next for scan

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-backend 0.23.1+fixes26057-0ubuntu0+mythbuntu2
ProcVersionSignature: Ubuntu 2.6.32-24.42-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
Architecture: i386
CrashDB: mythbuntu
Date: Tue Sep  7 18:29:30 2010
ExecutablePath: /usr/bin/mythtv-setup.real
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100427.1)
Installed_mythplugins-dbg: 0.23.1+fixes26057-0ubuntu0+mythbuntu2
Installed_mythtv-dbg: 0.23.1+fixes26057-0ubuntu0+mythbuntu2
ProcCmdline: /usr/bin/mythtv-setup.real
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x4114f37 <_ZN6QMutex4lockEv+23>:	mov    (%edi),%edx
 PC (0x04114f37) ok
 source "(%edi)" (0x00000084) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 QMutex::lock() () from /usr/lib/libQtCore.so.4
 QMutexLocker::relock (this=0xb63fdc2c)
 QMutexLocker (this=0xb63fdc2c, m=0x84)
 TVRec::IsBusy (this=0x0, busy_input=0xb63fdc6c, 
 ChannelBase::IsInputAvailable (this=0xa12c968, inputid=3,
Title: mythtv-setup.real crashed with SIGSEGV in QMutex::lock()
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare video
XsessionErrors:
 (polkit-gnome-authentication-agent-1:2198): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (gnome-terminal:2297): Gtk-CRITICAL **: gtk_accel_map_unlock_path: assertion `entry != NULL && entry->lock_count > 0' failed