Am 08.09.2011 08:07, schrieb Remco Rijnders:On Thu, Sep 08, 2011 at 07:49:00AM +0200, Alexey wrote in <4e68574c.6020...@fisher-privat.net>:Hi,to get the idea of what is wrong here, we need at least dmesg. If you can't provide dmesg, but you can compile kernel, do git bisect.You can use netconsole: http://www.tocpcs.com/howto-log-a-kernel-panic-it-can-be-done/ or attach usb-serial adapter and log the dmegs over serial on other computer For both his methods you need second computer.or boot in verbose mode, no splash screen or so, and make a photo of log from display. Here you will need only one computer.
Hi,Apologies for the late revert. I've been busy with other things and spent too much time on trying to get netconsole working without luck. Anyways, using git bisect I came to the following result:
[remmy@ketelbinkie uvcvideo]$ git bisect bada96aa5342d575980e5b572cde88036f3a878ebee is the first bad commit commit a96aa5342d575980e5b572cde88036f3a878ebee Author: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Date: Tue Jun 28 18:17:48 2011 -0300 [media] uvcvideo: Ignore entities for terminals with no supported format If a streaming interface has no supported format, the driver won't create a video device for the associated terminal. Fix an oops by ignoring that terminal when creating links between entities. Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com> :040000 040000 0296cc04d3923f1f93205ac6164802b514ad3162 b4753a4e36122dc9605bcb44caa4aa1328146d0d M drivers
I'm not 100% sure that this is the proper commit as the kernel crashes at a later point (at the KDM login screen) than in my initial observation where it would not even complete booting.
Furthermore, while doing the git bisect good thing, at the last point I had to do "make CONFIG_DEBUG_SECTION_MISMATCH=y" as the kernel would not compile without it anymore.
That said, I notice that the kernel panic this kernel resulted in is very similar to that which gudvinr reported on the 11th, also with an ASUS system so I am beginning to see a pattern there.
Some fuzzy screenshots: http://milkzilla.webconquest.com/~remmy/UVC/1.jpg http://milkzilla.webconquest.com/~remmy/UVC/2.jpgPlease let me know if I can do anything further to help debug this. For now I have disabled the camera in the bios which allows me to otherwise use the computer as normal but I suspect there are quite a few people out there who bump into similar issues.
Thanks and regards, Remco
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