Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2023-01-01 Thread Demi Marie Obenour
On Sun, Jan 01, 2023 at 08:17:52PM -0500, Demi Marie Obenour wrote: > On Mon, Jan 02, 2023 at 02:00:51AM +0100, Marek Marczykowski-Górecki wrote: > > On Sun, Jan 01, 2023 at 07:03:18PM -0500, Demi Marie Obenour wrote: > > > On Mon, Jan 02, 2023 at 12:24:54AM +0100, Marek Marczykowski-Górecki > > >

Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2023-01-01 Thread Demi Marie Obenour
On Mon, Jan 02, 2023 at 02:00:51AM +0100, Marek Marczykowski-Górecki wrote: > On Sun, Jan 01, 2023 at 07:03:18PM -0500, Demi Marie Obenour wrote: > > On Mon, Jan 02, 2023 at 12:24:54AM +0100, Marek Marczykowski-Górecki wrote: > > > On Thu, Dec 22, 2022 at 10:29:57AM +0200, Ville Syrjälä wrote: > >

Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2023-01-01 Thread Marek Marczykowski-Górecki
On Sun, Jan 01, 2023 at 07:03:18PM -0500, Demi Marie Obenour wrote: > On Mon, Jan 02, 2023 at 12:24:54AM +0100, Marek Marczykowski-Górecki wrote: > > On Thu, Dec 22, 2022 at 10:29:57AM +0200, Ville Syrjälä wrote: > > > On Fri, Dec 16, 2022 at 03:30:13PM +, Andrew Cooper wrote: > > > > On 08/12/

Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2023-01-01 Thread Demi Marie Obenour
On Mon, Jan 02, 2023 at 12:24:54AM +0100, Marek Marczykowski-Górecki wrote: > On Thu, Dec 22, 2022 at 10:29:57AM +0200, Ville Syrjälä wrote: > > On Fri, Dec 16, 2022 at 03:30:13PM +, Andrew Cooper wrote: > > > On 08/12/2022 1:55 pm, Marek Marczykowski-Górecki wrote: > > > > Hi, > > > > > > > >

Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2023-01-01 Thread Marek Marczykowski-Górecki
On Thu, Dec 22, 2022 at 10:29:57AM +0200, Ville Syrjälä wrote: > On Fri, Dec 16, 2022 at 03:30:13PM +, Andrew Cooper wrote: > > On 08/12/2022 1:55 pm, Marek Marczykowski-Górecki wrote: > > > Hi, > > > > > > There is an issue with i915 on Xen PV (dom0). The end result is a lot of > > > glitches,

Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2022-12-22 Thread Ville Syrjälä
On Fri, Dec 16, 2022 at 03:30:13PM +, Andrew Cooper wrote: > On 08/12/2022 1:55 pm, Marek Marczykowski-Górecki wrote: > > Hi, > > > > There is an issue with i915 on Xen PV (dom0). The end result is a lot of > > glitches, like here: https://openqa.qubes-os.org/tests/54748#step/startup/8 > > (thi