On Thu, Mar 13, 2014 at 09:40:02AM +0100, Pavel Machek wrote: > On Wed 2014-03-12 23:52:09, Chris Wilson wrote: > > On Thu, Mar 13, 2014 at 12:30:39AM +0100, Pavel Machek wrote: > > > Hi! > > > > > > This cost me two half-written mails... > > > > > > So far it happened once, so it may be very infrequent; but I do not > > > think I seen similar failure from i915 before, so it may be an > > > regression. Well... > > > > It's a userspace use-after-free bug. Please file a bug on > > bugs.freedesktop.org. > > Could we get some better messages from the kernel? Userspace should > not be able to produce WARN_ON()s. Indeed, we have already pruned those errors and WARNs, in favour of a real error code, precisely because they are user triggerable. > (This is debian 6.0.8; do you think it is worth reporting? I don't > think I should go to bugs.freedesktop.org...) I guess your userspace is roughly xf86-video-intel-2.17 and friends. Quite a few changes since then, but I've forgotten if this bug was ever addressed explicitly. Most likely it has been... -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
