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

Rafael J. Wysocki
2010-01-25T21:02:26Z

On Monday 25 January 2010, David wrote:
> 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-Os2QIKb4eqJd3aXB8m+yKQ@public.gmane.org>
> >> 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.

Well, let's assume that's really the case. Closed.

Rafael