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CTD on changing frequency

Noel Bennett 1159876

By Noel Bennett 1159876,
in XSquawkbox

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Noel Bennett 1159876

Noel Bennett 1159876

Posted
Posted

Was flying into KOXB via the RNAV approach for RWY 02 tonight. Potomoc Approach cut me loose to CTAF about 12 miles out from CIRAN. As soon as I switched the frequency, XSB crashed and took X-Plane 10 down with it. I had a CTD while taxiing on the departure in my first attempt to make the flight, so I conveniently had GDB running.

 

The backtrace:

*snip*
Sending inhibit command to xorg screenSaver.
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred
ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.0.29/work/alsa-lib-1.0.29/src/pcm/pcm.c:7905:(snd_pcm_recover) underrun occurred

Program received signal SIGPIPE, Broken pipe.
0x00007ffff6f5f3cf in send () from /lib64/libpthread.so.0
(gdb) bt
#0  0x00007ffff6f5f3cf in send () from /lib64/libpthread.so.0
#1  0x00007fffa76503de in PCSBSocket::WriteData(void const*, int) () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#2  0x00007fffa75dbbee in CVoiceChannel::DoTask() () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#3  0x00007fffa75d0b19 in CAudioTask::ExecuteTasks() () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#4  0x00007fffa75c7e29 in EZDoProcessing () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#5  0x00007fffa75bf723 in XSBVoiceMgr::DoProcessing(float, float, int) () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#6  0x00007fffa75c4da3 in XPCProcess::FlightLoopCB(float, float, int, void*) () from /home/noel/X-Plane 10/Resources/plugins/XSquawkBox/64/lin.xpl
#7  0x00007fffc1f66423 in XPLMDoFlightLoopProcessing(float, int) () from /home/noel/X-Plane 10/Resources/plugins/XPLM_64.so
#8  0x00007fffc1f59be6 in XPLMEventHook () from /home/noel/X-Plane 10/Resources/plugins/XPLM_64.so
#9  0x0000000001261d22 in XPPEventHook(int, float, float, long, long) ()
#10 0x0000000000f948e8 in flit_per_frame() ()
#11 0x000000000060005d in APP_update() ()
#12 0x00000000009735d5 in MACIBM_post_event_proc() ()
#13 0x00000000013f692b in WIN_run_app ()
#14 0x0000000000603b16 in main ()

 

The buffer underruns don't appear to be significant, due it being reported in the GDB output rather consistently throughout the flight. Any thoughts?

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