[mythtv-commits] Ticket #1871: FE crash w/ XvMC on 720x480p mpg

MythTV mythtv at cvs.mythtv.org
Tue May 30 20:20:27 UTC 2006


#1871: FE crash w/ XvMC on 720x480p mpg
----------------------------------+-----------------------------------------
 Reporter:  gary at garyndenise.org  |        Owner:  danielk
     Type:  defect                |       Status:  new    
 Priority:  minor                 |    Milestone:  0.20   
Component:  mythtv                |      Version:  0.19   
 Severity:  medium                |   Resolution:         
----------------------------------+-----------------------------------------
Comment (by anonymous):

 got another crash this afternoon with the same 19-fixes branch as above
 (same binary)  backtrace has the same functions.  Looks like it crashed at
 the same point (listing below)


 {{{
 44          const_iterator find(T const item) const
 45          {
 46              for (const_iterator it = deque<T>::begin();
                      it != deque<T>::end(); ++it)
 47                  if (*it == item)   // SIGSEG ON THIS LINE
 48                      return it;
 49              return deque<T>::end();
 50          }
 }}}

 The following might also help (done from frame 0):


 {{{
 (gdb) print *it
 You can't do that without a process to debug.
 (gdb) print it
 $1 = {_M_cur = 0x39f6ee8, _M_first = 0x39f6cf0, _M_last = 0x39f6ef0,
   _M_node = 0xaf0630}
 (gdb) print item
 $2 = (VideoFrame * const) 0x3763b18
 (gdb) print it._M_cur
 $3 = (VideoFrame **) 0x39f6ee8
 (gdb) print *(it._M_cur)
 Cannot access memory at address 0x39f6ee8
 (gdb)
 }}}

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/1871>
MythTV <http://www.mythtv.org/>
MythTV


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