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Segmentation fault after 10 minutes playback #95

Closed jaarandaz closed 10 years ago

jaarandaz commented 10 years ago

Hi!

Doesn't matters if it is audio or video, after 10 minutes xbmc has a segmentation fault. I'm using latest Archlinux image on a Wandboard Quad, kernel version 3.10.17-5-ARCH and XBMC version 13.2 Git:20140909-38110c5.

XBMC's log shos this kind of error: ERROR: CAESinkALSA - snd_pcm_writei(-5) Input/output error - trying to recover ERROR: CAESinkALSA::HandleError(snd_pcm_writei(1)) - snd_pcm_writei returned -5 (Input/output error)

Archlinux's journal says: kernel: imx-hdmi-audio imx-hdmi-audio: HDMI Video is not ready! kernel: imx-hdmi-audio imx-hdmi-audio: ASoC: can't open platform imx-hdmi-audio: -22 runxbmc[254]: [ 1] Process got signal (8). To further debug the issue, you should run in debug mode runxbmc[254]: /usr/bin/runxbmc: line 11: 264 Floating point exception(core dumped) /usr/lib/xbmc/xbmc.bin $@

It seems xbmc is killed by a SIGFPE. There is any way of solve this? Thanks!

wolfgar commented 10 years ago

hmm I have never seen this issue (and I can tell you I run kodi for hours, both to watch tv and to test for dev purposes)

To investigate this specific crash, I would need a core dump. Could you

echo "/tmp/core.%e.%p" > /proc/sys/kernel/core_pattern ulimit -c unlimited

then launch xbmc binary from the same shell That way on next crash you will have a core dump saved in /tmp folder

jaarandaz commented 10 years ago

One more thing: after crashing (and relaunch), hdmi audio output option is not shown.

asRoot# /usr/bin/xbmc-standalone :0 [INFO] Product Info: i.MX6Q/D/S [INFO] bitstreamMode 1, chromaInterleave 1, mapType 0, tiled2LinearEnable 0 [ 1] Process got signal (8). To further debug the issue, you should run in debug mode /usr/bin/xbmc: line 144: 289 Floating point exception(core dumped) "$LIBDIR/xbmc/xbmc.bin" $SAVED_ARGS Crash report available at /root/xbmc_crashlog-20140921_223218.log

Compressed core dump: https://arandaz.com/owncloud/public.php?service=files&t=f094fc8a21a6e5250191d145302fd92f

jaarandaz commented 10 years ago

Is there anything I can do?

wolfgar commented 10 years ago

Hi

Very sorry : I hadn't the required binaries version from archlinux to properly debug postmortem the sound thread is indeed badly crashing Have you had the opportunity to test another release ? That is strange because my own (almost daily builds) do not exhibit the issue...

CrawX commented 10 years ago

@jaarandaz Also tried to reach me via the archlinux-arm forums.

Unfortunately, I have not seen this specific issue. My xbmc crashes from time to time (mostly after long idle times). I have not seen your situation though.

Are you running the build from the repo or have you compiled it yourself?

jaarandaz commented 10 years ago

Hi @CrawX

sorry for being annoying. I'm installing xbmc-imx using https://github.com/archlinuxarm/PKGBUILDs Maybe the problem is in the kernel (even though I'm using the one that comes with archlinux's wandboard image)

jaarandaz commented 10 years ago

Hi!

I finally found the problem. Or the fix. The thing is that you HAVE to use "consoleblank=0" on uEnv.txt or this will happen. Thanks to all :smile:

wolfgar commented 10 years ago

Ho damn. It explains why I have never ever been able to reproduce this bug ! Thanks a lot for this additional feedback : I have to admit I wad unable to reproduce as it and I did not understand why the hell you were the only person to experience this issue...

pepedog commented 10 years ago

I should have figured this out, 10 minutes is a dead giveaway. It completely slipped my mind on this occasion. It's in uEnv.txt default for CuBox-I/hummingboard