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[Bug 550544] Re: mythfilldatabase crashed with SIGSEGV in MythDB::ClearSettingsCache()

To: mythbuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: Bug Watch Updater <550544@xxxxxxxxxxxxxxxxxx>
Date: Thu, 12 Aug 2010 20:29:03 -0000
Reply-to: Bug 550544 <550544@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: mythtv
       Status: New => Confirmed

-- 
mythfilldatabase crashed with SIGSEGV in MythDB::ClearSettingsCache()
https://bugs.launchpad.net/bugs/550544
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Status in MythTV: Confirmed
Status in “mythtv” package in Ubuntu: Triaged

Bug description:
Binary package hint: mythtv

On a fresh boot up, got this message

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: mythtv-backend 0.23.0+fixes23820-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sun Mar 28 11:28:40 2010
ExecutablePath: /usr/bin/mythfilldatabase
Installed_mythplugins-dbg: 0.23.0+fixes23825-0ubuntu1
Installed_mythtv-dbg: 0.23.0+fixes23820-0ubuntu1
ProcCmdline: /usr/bin/mythfilldatabase
ProcEnviron: PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x241569 <_ZN6MythDB18ClearSettingsCacheERK7QString+21>:	mov    (%eax),%eax
 PC (0x00241569) ok
 source "(%eax)" (0x4e5a5f00) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: mythtv
StacktraceTop:
 MythDB::ClearSettingsCache (this=0x4e5a5f00, _key=...) at mythdb.cpp:783
 MythContext::ClearSettingsCache (this=0x8968a70, myKey=...) at mythcontext.cpp:1865
 MythContext::readyRead (this=0x8968a70, sock=0x89a7a78) at mythcontext.cpp:2121
 MythSocketThread::ReadyToBeRead (this=0x89380a8, sock=0x89a7a78) at mythsocketthread.cpp:165
 MythSocketThread::run (this=0x89380a8) at mythsocketthread.cpp:352
Title: mythfilldatabase crashed with SIGSEGV in MythDB::ClearSettingsCache()
UserGroups: audio cdrom dialout video
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1585): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (bluetooth-applet:1595): Gtk-CRITICAL **: gtk_action_set_sensitive: assertion `GTK_IS_ACTION (action)' failed
 (update-notifier:1559): libgdu-WARNING **: Couldn't get daemon properties