[Kwintv] Odd Problem

[Adam Pigg]

There were 3 qtvision processes, so this is the output from each one in 
numerical order ascending, hope it helps.

PiggZ

PID1:
Loaded symbols for /opt/kde3/lib/kde3/qtvision_xv.so
Reading symbols from /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2...
done.
Loaded symbols for /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
0x4197b714 in pthread_getconcurrency () from /lib/i686/libpthread.so.0
(gdb) where
#0  0x4197b714 in pthread_getconcurrency () from /lib/i686/libpthread.so.0
#1  0x4197b2b8 in pthread_getconcurrency () from /lib/i686/libpthread.so.0
#2  0x4197cc5d in sem_timedwait () from /lib/i686/libpthread.so.0
#3  0x41979e07 in pthread_mutex_lock () from /lib/i686/libpthread.so.0
#4  0x41485cad in QRecursiveMutexPrivate::lock() ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#5  0x4008be45 in ChannelScanner::checkFrequency() ()
   from /opt/kde3/lib/libqtvision.so.1
#6  0x4008c982 in ChannelScanner::qt_invoke(int, QUObject*) ()
   from /opt/kde3/lib/libqtvision.so.1
(gdb)


PID2:
Loaded symbols for /opt/kde3/lib/kde3/qtvision_xv.so
Reading symbols from /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2...
done.
Loaded symbols for /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
0x41aca546 in poll () from /lib/i686/libc.so.6
(gdb) where
#0  0x41aca546 in poll () from /lib/i686/libc.so.6
#1  0x41978968 in pthread_detach () from /lib/i686/libpthread.so.0
(gdb)

PID 3:
Loaded symbols for /usr/X11R6/lib/X11/locale/lib/common/xomGeneric.so.2
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
0x41acb934 in ioctl () from /lib/i686/libc.so.6
(gdb) where
#0  0x41acb934 in ioctl () from /lib/i686/libc.so.6
#1  0x4236b848 in __JCR_LIST__ () from /opt/kde3/lib/libkvideoio.so.1
#2  0x4234114e in V4LGrabber::run() () from /opt/kde3/lib/kde3/qtvision_v4l.so
#3  0x41171b77 in QThreadInstance::start(void*) ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
(gdb)


On Saturday 22 November 2003 18:10, George Staikos wrote:
> On Saturday 22 November 2003 12:53, Adam Pigg wrote:
> > Hi
> >
> > Ive been using qt vision for ages now, but just recently it seems to have
> > got a bit unstable.  I was mainly having problems with the new channel
> > wizard crashing/freezing but i think i may have figured it out today.
> >
> > What was happening was this:
> >
> > I select europe-west and it starts scanning
> >
> > It picks up a few channels, but at the end it just freezes up.  It seems
> > to freeze on channel 68.  This is the channel that sky is output on from
> > a sky digibox.  Today, i discovered that if i unplug the aerial from the
> > tv card when it has frozen it resumes, but misses the last channel.
> >
> > Its not a major problem, its just a bit odd.
>
>    When it freezes, attach gdb  with "gdb qtvision <pid>".  Get a backtrace
> with "where" and post it to the list so we can see where it's frozen.
>
> Thanks

-- 
adam at piggz.co.uk
www.piggz.co.uk