Bug#699470: crystalhd-dkms: Kernel null pointer BUG in crystalhd_dioq_fetch_wait()

[Andres Mejia]

It looks like the crystalhd drivers are buggy with newer kernel
releases. I opt for removing the dkms package. I will do this over the
weekend.

On Thu, Feb 28, 2013 at 4:52 PM, thomas schorpp
<thomas.schorpp at gmail.com> wrote:
> On 28.02.2013 20:41, Julien Cristau wrote:
>>
>> On Thu, Jan 31, 2013 at 19:25:50 +0100, tom schorpp wrote:
>>
>>> Package: crystalhd-dkms
>>> Version: 1:0.0~git20110715.fdd2f19-7
>>> Severity: critical
>>> Tags: patch
>>> Justification: breaks the whole system
>>>
>>> Reproducible NULL pointer BUG at
>>> crystalhd-0.0~git20110715.fdd2f19/driver/linux/crystalhd_misc.c:515,
>>> triggered by adobe flash plugin from dmo repo, ffmpeg, mplayer, bino or
>>> other, mostly on heavy ioq usage
>>> or after FETCH_TIMEOUT and/or unclosed driver HANDLEs.
>>>
>> Does the maintainer or somebody on pkg-multimedia plan on fixing this RC
>> bug?  If not I'll consider a NMU removing the dkms package from
>> crystalhd source.
>>
>> Cheers,
>> Julien
>>
>
> Known linux-media Maintainers
>
> STAGING - CRYSTAL HD VIDEO DECODER
> M:    Naren Sankar <nsankar at broadcom.com>
> M:    Jarod Wilson <jarod at wilsonet.com>
> M:    Scott Davilla <davilla at 4pi.com>
> M:    Manu Abraham <abraham.manu at gmail.com>
>
> seem to have left the Broadcom's legacy driver code, focusing on the new
> linux-media staging driver, but limited time,
> one stated lately on the linux-media/LKML, nothing read from the others.
> I could adapt it to new kernel releases the next 2-3 years, but nothing
> more, not a experienced kernel driver coder,
> no debian package/policy maintaining motivation because I do not use dkms or
> debian kernels packages.
>
> If my last patch applies to Your codebase in the debian git repository (mine
> is from git.linuxtv.org, according to the
> git changelog more advanced in the gstreamer plugin, merge?) You may
> consider it
>
> "hotfixed"
>
> and release with known multithreading (gstreamer based transcoders/matroska
> demuxers) and PM ACPI S3 issues?
> Has not crashed here any more, nor notable side effects with usual playback
> use cases, including Totem (gstreamer).
>
> y
> tom
>
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--
~ Andres