jharbestonus at gmail
Jun 28, 2012, 9:45 AM
Views: 944
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Re: Kernel Crash when starting up in au0828-video.c line 895
[In reply to]
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On Jun 27, 2012, at 11:27 PM, Devin Heitmueller wrote:
> On Wed, Apr 11, 2012 at 9:36 AM, jrh <jharbestonus [at] gmail> wrote:
>>
>> On Apr 9, 2012, at 7:48 PM, Larry Finger wrote:
>>
>>> On 04/09/2012 06:01 PM, jrh wrote:
>>>>
>>>> On Apr 8, 2012, at 10:36 PM, Larry Finger wrote:
>>>>
>>>>> On 04/08/2012 04:38 PM, jrh wrote:
>>>>>
>>>>> As you have seen, someone did not like my patch. That frequently happens when you try to touch a new area of the kernel. Thus, we need to find the real bug before any patch is likely to be accepted.
>>>>>
>>>>> To help debug the problem, I have prepared a new version of the patch. This one will still remove the BUG_ON, but it will also dump the stack whenever the code gets or frees AU0828_RESOURCE_VIDEO. I hope this shows where the imbalance occurs.
>>>>>
>>>>> Larry
>>>>> <au0828_fix.txt>
>>>>
>>>> Larry, et al,
>>>>
>>>> I replied to you via email with the logs from the above patch.
>>>>
>>>> Hopefully it will shed some light.
>>>>
>>>> Regards!
>>>
>>> I am not sure why it happens, but AU0828_RESOURCE_VIDEO is freed 3 times in the segment you posted and never assigned. It will take a while, but I will see if I can prepare a patch to help us.
>>>
>>> I'm glad you were able to compile the revised patch. I hope we have as much success in making the driver work.
>>>
>>> Larry
>>>
>>>
>>
>> Sounds like a plan!
>
> FYI: the problem in the au0828 driver has been identified and a fix
> is pending to go upstream.
>
> http://git.kernellabs.com/?p=dheitmueller/cx23885_fixes.git;a=commit;h=226d020ff1b944f115cb075766cdeb29938431b0
>
> Devin
Thank you! Any idea if it will be backported to kernel 3.2 and thenmigrated to ubuntu 12.04? I know, thats asking alot!
Regards!
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