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SubjectRe: [Bug #16614] [2.6.35] usb 2.0 em28xx kernel panic general protection fault: 0000 [#1] SMP RIP: 0010:[<ffffffffa004fbc5>] [<ffffffffa004fbc5>] em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx]
Hello Rafael,

This one seems to be fixed, in the sense that i still get an error, but it doesn't crash the kernel.
And since it was my mistake to use the deprecated video4linux interface instead of the video4linux2, i think it's fine to consider it fixed.


security:~# ffmpeg -f video4linux -r 25 -s 720x576 -i /dev/video0 out.flv
FFmpeg version SVN-r20654, Copyright (c) 2000-2009 Fabrice Bellard, et al.
built on Nov 29 2009 08:11:53 with gcc 4.3.4
configuration: --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-libfaad --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libtheora --enable-libdc1394 --enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter --enable-libdirac --disable-decoder=libdirac --enable-libschroedinger --disable-encoder=libschroedinger --enable-avfilter-lavf --enable-libopenjpeg --enable-version3 --disable-altivec --disable-armv5te --disable-armv6 --disable-vis
libavutil 50. 5. 1 / 50. 5. 1
libavcodec 52.42. 0 / 52.42. 0
libavformat 52.39. 2 / 52.39. 2
libavdevice 52. 2. 0 / 52. 2. 0
libavfilter 1.11. 0 / 1.11. 0
libswscale 0. 7. 2 / 0. 7. 2
libpostproc 51. 2. 0 / 51. 2. 0
[video4linux @ 0xff45e0]VIDIOCMCAPTURE: Cannot allocate memory
/dev/video0: I/O error occurred
Usually that means that input file is truncated and/or corrupted.


--

Sander


Sunday, October 10, 2010, 9:18:51 PM, you wrote:

> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.34 and 2.6.35.

> The following bug entry is on the current list of known regressions
> introduced between 2.6.34 and 2.6.35. Please verify if it still should
> be listed and let the tracking team know (either way).


> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16614
> Subject : [2.6.35] usb 2.0 em28xx kernel panic general protection fault: 0000 [#1] SMP RIP: 0010:[<ffffffffa004fbc5>] [<ffffffffa004fbc5>] em28xx_isoc_copy_vbi+0x62e/0x812 [em28xx]
> Submitter : Sander Eikelenboom <linux@eikelenboom.it>
> Date : 2010-08-10 22:12 (62 days old)
> Message-ID : <61936849.20100811001257@eikelenboom.it>
> References : http://marc.info/?l=linux-kernel&m=128152075830927&w=2





--
Best regards,
Sander mailto:linux@eikelenboom.it



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