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Thu, 12 Feb 2026 11:22:36 -0500 (EST) Date: Thu, 12 Feb 2026 17:22:34 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Roger Pau =?utf-8?B?TW9ubsOp?= Cc: xen-devel , intel-xe@lists.freedesktop.org Subject: Re: Graphical glitches (not refreshing?) with Linux's xe driver + Xen 4.19 Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jRRBc1ZgOtYQSbU+" Content-Disposition: inline In-Reply-To: X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" --jRRBc1ZgOtYQSbU+ Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Thu, 12 Feb 2026 17:22:34 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Roger Pau =?utf-8?B?TW9ubsOp?= Cc: xen-devel , intel-xe@lists.freedesktop.org Subject: Re: Graphical glitches (not refreshing?) with Linux's xe driver + Xen 4.19 On Thu, Feb 12, 2026 at 05:16:45PM +0100, Roger Pau Monn=C3=A9 wrote: > On Thu, Feb 12, 2026 at 04:32:56PM +0100, Marek Marczykowski-G=C3=B3recki= wrote: > > On Thu, Feb 12, 2026 at 04:11:50PM +0100, Roger Pau Monn=C3=A9 wrote: > > > On Tue, Feb 10, 2026 at 07:06:20PM +0100, Marek Marczykowski-G=C3=B3r= ecki wrote: > > > > Hi, > > > >=20 > > > > Recently I started testing compatibility with Intel Lunar Lake. Thi= s is > > > > the first one that uses "xe" instead of "i915" Linux driver for iGP= U. > > > > I test it with Qubes OS 4.3, which uses Xen 4.19.4 and PV dom0 runn= ing > > > > Linux 6.17.9 in this test. > > >=20 > > > Not sure it's going to help a lot, but does using a PVH dom0 make any > > > difference? > >=20 > > Yes, it makes a difference. I end up with black screen as soon as dom0 > > starts... And due to unrelated bug (in xhci console code?), I don't have > > kernel messages :/ >=20 > Hm, that's ... very helpful. We should fix the xhci stuff so we know > what's going on there. Is the xhci bug also PVH only, or PV is > equally affected? XHCI console works just fine with PV dom0. But I just noticed I had older Xen binary there today, will re-test on the same 4.19.4 again. And then will submit separate bug report (even if that's likely be me fixing it anyway). --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --jRRBc1ZgOtYQSbU+ Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmmN/koACgkQ24/THMrX 1yx49wf+NBy2A+DagwA6RfHlLXBvuP5r2FQy2upo0kdOI6l/8Tr45/jVBb0i7QNj UBqM2W+itJigC+a8e/2CsOZZOH8KzEB6zesumNG64EMvP8p4a64Y2x/yqRxj3/My Hvuq27dKpCSoLNsKHDr+kuXPGni0TbZxA/Hp2+qjhzlMy9GhKhl4GmwtWyFVKWD3 k5X9TDN2G51ajwcGLDV100UqYqhg0VH1uWPNS4Z2OzZRahv0uWHyf1Xzm4P04lrP yvQsgL7SEDCxr1H6hodnIblaERsyu3AhERIMqJ8jl7IeYOjDE2Xsd7hWGt65FZhI Vim+as2uFZmL2+Lp9GIoIa8c85NeOQ== =zQiG -----END PGP SIGNATURE----- --jRRBc1ZgOtYQSbU+--