[mythtv-commits] Ticket #582: mfd backtrace, glibc double free or corruption

[MythTV]

#582: mfd backtrace, glibc double free or corruption
--------------------+-------------------------------------------------------
 Reporter:  oscar   |       Owner:  ijr    
     Type:  defect  |      Status:  new    
 Priority:  minor   |   Milestone:  unknown
Component:  mythtv  |     Version:  head   
 Severity:  medium  |  
--------------------+-------------------------------------------------------
mfd runs for a minute or so, then dies.

 {{{
 *** glibc detected *** double free or corruption (out): 0xaa733b80 ***

 Program received signal SIGABRT, Aborted.
 [Switching to Thread -1379959888 (LWP 7682)]
 0xffffe410 in __kernel_vsyscall ()
 (gdb) bt
 #0  0xffffe410 in __kernel_vsyscall ()
 #1  0xb6efbb49 in raise () from /lib/libc.so.6
 #2  0xb6efd1c1 in abort () from /lib/libc.so.6
 #3  0xb6f2e431 in __fsetlocking () from /lib/libc.so.6
 #4  0xb6f377d4 in mallopt () from /lib/libc.so.6
 #5  0xb6f365a1 in mallopt () from /lib/libc.so.6
 #6  0xb6f353d1 in free () from /lib/libc.so.6
 #7  0xb709d003 in operator delete () from /usr/lib/gcc-lib/i686-pc-linux-
 gnu/3.3.5-20050130/libstdc++.so.5
 #8  0xb709d057 in operator delete[] () from /usr/lib/gcc-lib/i686-pc-
 linux-gnu/3.3.5-20050130/libstdc++.so.5
 #9  0xb76d2c4c in QStringData::deleteSelf () from /usr/qt/3/lib/libqt-
 mt.so.3
 #10 0x0805c01d in ~QString (this=0xadbf7050) at qstring.h:848
 #11 0xb7f69194 in MFDBasePlugin::log (this=0xb1c0a0f8,
 log_message=@0xadbf70a0, verbosity=4) at mfd_plugin.cpp:61
 #12 0xb1d73a56 in MMusicWatcher::checkNewFile (this=0xb1c0a0f8,
 filename=@0xaaa537bc, startdir=@0xadbf72e0) at mmusic.cpp:1239
 #13 0xb1d71447 in MMusicWatcher::checkDatabaseAgainstMaster
 (this=0xb1c0a0f8, startdir=@0xadbf72e0) at mmusic.cpp:883
 #14 0xb1d6ee51 in MMusicWatcher::sweepMetadata (this=0xb1c0a0f8) at
 mmusic.cpp:460
 #15 0xb1d6e3a3 in MMusicWatcher::run (this=0xb1c0a0f8) at mmusic.cpp:233
 #16 0xb73b6c5b in QThreadInstance::start () from /usr/qt/3/lib/libqt-
 mt.so.3
 #17 0xb70cbaba in start_thread () from /lib/libpthread.so.0
 #18 0xb6f8724e in clone () from /lib/libc.so.6
 }}}

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Ticket URL: <http://cvs.mythtv.org/trac/ticket/582>
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