WARN_ON() and X session lost from i915 on 3.14-rc6

[Chris Wilson]

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.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre