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

[thomas schorpp]

On 01.03.2013 18:36, Andres Mejia wrote:
> 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.

Top posting on list and removal announce without valid bug report for Your claimed issue and any confirmation?

Driver does not behave different from linux 3.2...3.7.1 here, see my posts on the linux-media list, xbmc people?

y
tom


>
> 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