Comment 44 for bug 768184

Revision history for this message
In , Chris Wilson (ickle) wrote :

(In reply to comment #29)
> (In reply to comment #28)
> > I'm currently unaware of any crash inside i915.ko,
> > so you're going to have to remind me...
>
> Chris, please see comment #19 in this bugzilla entry, or, for a complete
> description, see bug #37450. In essence, it seems that stale DPMS properties
> (kernel bug 24982), which normally just result in a blank screen, can in some
> situations result in a crash/hang. When I originally reported it I could only
> trigger it after suspend/resume; nowadays I can reproduce it just by repeatedly
> enabling and disabling an output a few times. The only workaround that works
> for me is modifying the xf86-video-intel driver to force page flipping off.

Ok, I think we know that bug and had a fix for the races inside the page-flipping code, but I think Keith dropped them on the floor...