Re: [Bug #14924] Weird hard hangs when rendering 'some' web-sites in Firefox

David
2010-01-25T19:28:06Z

Américo Wang wrote:
> On Sun, Jan 24, 2010 at 11:04:33PM +0100, Rafael J. Wysocki wrote:
>
>> This message has been generated automatically as a part of a report
>> of recent regressions.
>>
>> The following bug entry is on the current list of known regressions
>>
> >from 2.6.32. Please verify if it still should be listed and let me know
>
>> (either way).
>>
>>
>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14924
>> Subject : Weird hard hangs when rendering 'some' web-sites in Firefox
>> Submitter : David <david@unsolicited.net>
>> Date : 2009-12-21 21:53 (35 days old)
>> References : http://marc.info/?l=linux-kernel&m=126143375823340&w=4
>>
>
> Hmm, you have CONFIG_DETECT_SOFTLOCKUP=y, I have no idea what happened,
> doing a bisect would be appreciated.
>
> Thanks.
>
>

I no longer have the offending hardware, but I think that the issue was
probably corrected by:

cafe6609d6dc0a6a278f9fdbb59ce4d761a35ddd -
drm/radeon/kms: Schedule host path read cache flush through the ring V2

as the offending ATI graphics was indeed R300.

Cheers
David