[mythtv-users] gdb stack trace for mythbackend: waiting for a thread...

[Jeff]

It happened again to me and it really seems like its related to
mythweb. I wonder if it relates to mythweb pulling out the frame
to use as the picture in the "list scheduled recordings" page. I may
disable this and see if the problem stops happening.

In any case, here's a stack trace if this is of any use. The process
appears to be the parent mythbackend job as when I killed it (got a
segvio from the debugger trying to trace through the frames) all the
backend jobs were gone.

#0  0x40c08d3b in write () from /lib/i686/libc.so.6
#1  0x40c679a0 in sys_sigabbrev () from /lib/i686/libc.so.6
#2  0x40ba7220 in _IO_do_write () from /lib/i686/libc.so.6
#3  0x40ba82f3 in _IO_file_xsputn () from /lib/i686/libc.so.6
#4  0x40b9d8ff in fwrite () from /lib/i686/libc.so.6
#5  0x40ae46d5 in std::__basic_file<char>::xsputn(char const*, int) ()
    from /usr/lib/libstdc++.so.5
#6  0x40a9615c in std::basic_filebuf<char, 
std::char_traits<char> >::_M_convert_to_external(char*, int, int&, int&) () 
from /usr/lib/libstdc++.so.5
#7  0x40a95f14 in std::basic_filebuf<char, 
std::char_traits<char> >::_M_really_overflow(int) () from 
/usr/lib/libstdc++.so.5
#8  0x40a95e42 in std::basic_filebuf<char, 
std::char_traits<char> >::overflow(int) () from /usr/lib/libstdc++.so.5
#9  0x40ad3554 in std::basic_streambuf<char, 
std::char_traits<char> >::xsputn(char const*, int) () from 
/usr/lib/libstdc++.so.5
#10 0x40a96778 in std::basic_filebuf<char, 
std::char_traits<char> >::xsputn(char const*, int) () from 
/usr/lib/libstdc++.so.5
#11 0x40ac92b3 in std::ostream::write(char const*, int) ()
    from /usr/lib/libstdc++.so.5
#12 0x40ac9a8f in std::basic_ostream<char, std::char_traits<char> >& 
std::operator<< <std::char_traits<char> >(std::basic_ostream<char, 
std::char_traits<char> >&, char const*) () from /usr/lib/libstdc++.so.5
#13 0x0806eade in QValueListPrivate<QString>::QValueListPrivate() ()
#14 0x080985a9 in QValueListPrivate<int>::remove(QValueListIterator<int>) ()