Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-30 Thread Konrad Rzeszutek Wilk
On Wed, Mar 30, 2016 at 11:02:13AM -0700, Luis R. Rodriguez wrote: > On Tue, Mar 29, 2016 at 8:49 AM, Toshi Kani wrote: > > On Tue, 2016-03-29 at 10:46 -0400, Boris Ostrovsky wrote: > >> On 03/29/2016 10:19 AM, Toshi Kani wrote: > >> > On Tue, 2016-03-29 at 12:34 +0200, Ingo Molnar wrote: > >> > >

Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-30 Thread Luis R. Rodriguez
On Tue, Mar 29, 2016 at 8:49 AM, Toshi Kani wrote: > On Tue, 2016-03-29 at 10:46 -0400, Boris Ostrovsky wrote: >> On 03/29/2016 10:19 AM, Toshi Kani wrote: >> > On Tue, 2016-03-29 at 12:34 +0200, Ingo Molnar wrote: >> > >> > > > I'd appreciate if someone can test this patch-set on Xen to verify >>

Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-29 Thread Toshi Kani
On Tue, 2016-03-29 at 10:46 -0400, Boris Ostrovsky wrote: > On 03/29/2016 10:19 AM, Toshi Kani wrote: > > On Tue, 2016-03-29 at 12:34 +0200, Ingo Molnar wrote: > > > > > > I'd appreciate if someone can test this patch-set on Xen to verify > > > > that there is no change in "x86/PAT: Configuration

Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-29 Thread Boris Ostrovsky
On 03/29/2016 10:19 AM, Toshi Kani wrote: On Tue, 2016-03-29 at 12:34 +0200, Ingo Molnar wrote: I'd appreciate if someone can test this patch-set on Xen to verify that there is no change in "x86/PAT: Configuration [0-7] .." message in dmesg. So I don't have a Xen setup, but hopefully such test

Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-29 Thread Toshi Kani
On Tue, 2016-03-29 at 12:34 +0200, Ingo Molnar wrote: > * Toshi Kani wrote: > > > A Xorg failure on qemu32 was reported as a regression [1] caused by > > 'commit 9cd25aac1f44 ("x86/mm/pat: Emulate PAT when it is disabled")'. > > This patch-set fixes the regression. > > > > Negative effects of th

Re: [Xen-devel] [PATCH v3 0/7] Enhance PAT init to fix Xorg crashes

2016-03-29 Thread Ingo Molnar
* Toshi Kani wrote: > A Xorg failure on qemu32 was reported as a regression [1] caused by > 'commit 9cd25aac1f44 ("x86/mm/pat: Emulate PAT when it is disabled")'. > This patch-set fixes the regression. > > Negative effects of this regression were two failures [2] in Xorg on > QEMU with QEMU CPU