[Intel-gfx] i965: aperture fixes 59b2c2adb cause lockups in foobillard at startup

[Eric Anholt]

On Tue, 2008-11-04 at 10:32 -0800, Alan W. Irwin wrote:
> Hi Keith:
> 
> Your report reminded me of
> http://bugs.freedesktop.org/show_bug.cgi?id=14464. There, foobillard is in
> the mix as well, but the g33 lockups never occurred while foobillard was
> actually executing.  So I have been dismissive of the possibility that
> foobillard (the only DRI application that I run) could be involved, but
> since I turned DRI off (and thus quit playing foobillard which needs DRI)
> results appear to be perfect so far. Here is the summary of recent tests
> that weren't terminated due to other factors (such as power outages):
> 
> 2008-08-18: lockup after ~6 hours
> 2008-09-02: lockup after 15 days
> 2008-09-27: lockup after 18 days
> 2008-09-30: lockup after 3 days
> 
> All the above were with DRI turned on.  My current test with DRI turned off
> is still continuing after 23 days without a lockup which is significantly
> longer than any of the above intervals.  So it is not a sure thing yet (I
> could get a lockup in the next minute), but it is beginning to appear that
> foobillard and DRI may be the (indirect) cause of the above lockup problems
> for my g33.
> 
> Eric Anholt's patch obviously did not cause any of the above grief (it's
> date is 2008-10-24, and in any case after that date it is unlikely to have
> propagated so quickly to my Debian unstable X environment I am using for the
> above tests).  However, please keep the possibility in mind when
> investigating Eric's patch, that it may simply remove something that was
> largely obscuring the more general problem that I am seeing.
> 
> Hope this speculation is helpful and not a side track.

Sorry, it's just a side track.  The 965 failures in question are fast
and reliable to reproduce, and 965-only.

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part
URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20081104/d0790418/attachment.sig>