Re: [Regression + patch] i915 / PM: System resume broken on 945GM

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Apr 12, 2012 at 12:56:48AM +0200, Rafael J. Wysocki wrote:
> Hi,
> 
> On Thursday, April 12, 2012, Greg Kroah-Hartman wrote:
> > On Thu, Apr 12, 2012 at 12:12:46AM +0200, Rafael J. Wysocki wrote:
> > > Hi Chris,
> > > 
> > > Unfortunately, your commit
> > > 
> > > commit 7dd4906586274f3945f2aeaaa5a33b451c3b4bba
> > > Author: Chris Wilson <chris@chris-wilson.co.uk>
> > > Date:   Wed Mar 21 10:48:18 2012 +0000
> > > 
> > >     drm/i915: Mark untiled BLT commands as fenced on gen2/3
> > > 
> > > breaks system resume on my Toshiba Portege R500 (945GM) which hangs hard
> > > during or right after returning to X.
> > 
> > Luckily this patch didn't apply properly to the 3.3-stable tree :)
> 
> Your box hanged during resume from suspend with it IIRC, though, or was that
> a different issue?

Different issue, that was fixed by
dba69d1092e291e257fb5673a3ad0e4c87878ebc (x86, kvm: Call
restore_sched_clock_state() only after %gs is initialized), which went
into Linus's tree right after 3.4-rc1 was out.  All is good in 3.4-rc2
for me, thankfully.

thanks,

greg k-h