Bug#677533: video: USB webcam fails since kernel 3.2
2012/10/10 Jean-Francois Moine <moinejf@free.fr>:
> On Tue, 9 Oct 2012 15:54:46 -0700
> Jonathan Nieder <jrnieder@gmail.com> wrote:
>
>> Hi,
>>
>> In June, Martin-Éric Racine wrote:
>>
>> > Since recent kernels, this ASUS W5F's built-in webcam fails to be
>> > detected. Gstreamer-based applications (Cheese,
>> > gstreamer-properties) immediately crash whenever trying to access
>> > the video device.
>> [...]
>> > video_source:sr[3246]: segfault at 0 ip (null) sp ab36de1c error
>> > 14 in cheese[8048000+21000]
>>
>> In July, Martin-Éric Racine wrote:
>>
>> > As far as I can tell, yes, the modules in Jean-François' tarball work
>> > as-is to fix the problem.
>> [...]
>> > [ 11.834852] gspca_main: v2.15.18 registered
>> > [ 11.844262] gspca_main: vc032x-2.15.18 probing 0ac8:0321
>> > [ 11.844682] gspca_vc032x: vc0321 check sensor header 2c
>> > [ 11.850304] gspca_vc032x: Sensor ID 3130 (0)
>> > [ 11.850309] gspca_vc032x: Find Sensor PO3130NC
>> > [ 11.851809] gspca_main: video0 created
>> >
>> > Backport would be needed against 3.2.21 as this is what Debian will
>> > (probably) release with.
>>
>> Sorry to have lost track of this. Do you know what patch fixed it?
>> Does 3.5.y from experimental work?
>>
>> Curious,
>> Jonathan
>
> Hi Jonathan,
>
> I tried to prepare a patch set for the vc032x, but testing with
> Martin-Éric stopped mid-july, so I have nothing to propose yet. I'm
> waiting for some other vc0321+po3130nc owner and continue the tests...
We kept on going back and forth between two versions of the same file,
none of which produced the result expected by Jean-Francois. I'd
venture that the change that fixed it involves an entirely different
file, but he seemed to expect otherwise.
Martin-Éric
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