After updating to the latest v4l-dvb drivers from linuxtv.org, things
seem to be a lot more stable. Since I cant quite get a core file to be
generated, I decided to start the backend in a screen session inside
gdb. After 24 hours of running, it finally crashed and here is the
output:
-----
[Thread 2032946064 (LWP 26740) exited]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1684501616 (LWP 26730)]
0xb7899c00 in ProgramAssociationTable::ProgramPID (this=0xafbccbd8, i=433387)
at mpeg/mpegtables.h:414
414 mpeg/mpegtables.h: No such file or directory.
in mpeg/mpegtables.h
(gdb)
(gdb) bt full
#0 0xb7899c00 in ProgramAssociationTable::ProgramPID (this=0xafbccbd8,
i=433387)
at mpeg/mpegtables.h:414
No locals.
#1 0xb7c2adaa in DVBRecorder::AdjustFilters (this=0xafbc40d8) at
dvbrecorder.cpp:542
pmt_pid = 0
i = 433387
change_lock = {mtx = 0xafbc41dc}
add_pid = {<std::_Vector_base<unsigned int,std::allocator<unsigned int>
>> = {
_M_impl = {<std::allocator<unsigned int>> =
{<__gnu_cxx::new_allocator<unsigned int>> = {<No data fields>}, <No data
fields>}, _M_start = 0xaa983808, _M_finish = 0xaa984654,
_M_end_of_storage = 0xaa984808}}, <No data fields>}
add_stream_type = {<std::_Vector_base<unsigned
int,std::allocator<unsigned int> >> = {
_M_impl = {<std::allocator<unsigned int>> =
{<__gnu_cxx::new_allocator<unsigned int>> = {<No data fields>}, <No data
fields>}, _M_start = 0xaa984810, _M_finish = 0xaa98565c,
_M_end_of_storage = 0xaa985810}}, <No data fields>}
need_pcr_pid = false
input_pmt_pid = 256
it = {node = 0x0}
next = {node = 0xb5c5b7fc}
#2 0xb7c2c533 in DVBRecorder::StartRecording (this=0xafbc40d8) at
dvbrecorder.cpp:725
len = 5452
ok = true
count = 220
#3 0xb7b44470 in TVRec::RecorderThread (param=0xafbc40d8) at tv_rec.cpp:1171
recorder = (class RecorderBase *) 0xafbc40d8
#4 0xb5c5831b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#5 0xb5ac357e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
(gdb)
------
I guess the problem could still be the quality of the data that
mythbackend receives from the card. I am thinking of just checking out
the latest svn of mythtv and doing a quick deb build and install to see
if things improve. If there is anything more interesting that I should
have posted, please let me know.
--
mythbackend crash every few hours
https://bugs.launchpad.net/bugs/113638
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