From: Thomas Zimmermann <tzimmermann@suse.de> To: David Laight <David.Laight@ACULAB.COM>, Linus Torvalds <torvalds@linux-foundation.org> Cc: "Daniel Vetter" <daniel.vetter@ffwll.ch>, "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org>, "Huang, Ray" <ray.huang@amd.com>, "Dave Airlie" <airlied@redhat.com>, "Christian König" <christian.koenig@amd.com> Subject: Re: Linux 5.10-rc4; graphics alignment Date: Fri, 20 Nov 2020 11:13:32 +0100 [thread overview] Message-ID: <fa5c887e-82d8-5347-ff18-85e3628dadbe@suse.de> (raw) In-Reply-To: <2c474745ae884de3b4ecb8abe2152bfd@AcuMS.aculab.com> [-- Attachment #1.1.1: Type: text/plain, Size: 1702 bytes --] Hi Am 20.11.20 um 10:52 schrieb David Laight: >> Hi David >> >> Am 18.11.20 um 23:01 schrieb David Laight: > ... >> Did you try Daniel's suggestion of testing with the direct parent commit? > (I was on holiday yesterday and didn't want to spend a sunny > afternoon doing bisects.) Makes sense :) > > I've just done that and it is bad. > > Is there any way to bisect through the parts of the > drm merge patch into v5.10-rc1 ? > > That ought to be quicker (and less error prone) than > the bisect builds I was doing. > > Note that the stack 'splat' is due to a later change. > It is separate from the broken pixel alignment. > > I actually saw the vga text go 'funny' while the boot > was outputting all the [OK] messages (from systemd?) > before the graphic login stole tty1 (bloody stupid > to use tty1). > > I don't need to use the failing system today, I'll > have another go at isolating the failure. You can use drm-tip for testing, where many of the DRM patches go through. https://cgit.freedesktop.org/drm/drm-tip/ It's fairly up-to-date. I have two systems with AST chips and neither shows any of the symptoms you describe; nor do we have such reports about drivers that use a similar stack (hibmc, bochs). Could you provide the output of dmesg | grep drm Best regards Thomas > > David > > - > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK > Registration No: 1397386 (Wales) > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer [-- Attachment #1.1.2: OpenPGP_0x680DC11D530B7A23.asc --] [-- Type: application/pgp-keys, Size: 7535 bytes --] [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 840 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Thomas Zimmermann <tzimmermann@suse.de> To: David Laight <David.Laight@ACULAB.COM>, Linus Torvalds <torvalds@linux-foundation.org> Cc: "Daniel Vetter" <daniel.vetter@ffwll.ch>, "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org>, "Huang, Ray" <ray.huang@amd.com>, "Dave Airlie" <airlied@redhat.com>, "Christian König" <christian.koenig@amd.com> Subject: Re: Linux 5.10-rc4; graphics alignment Date: Fri, 20 Nov 2020 11:13:32 +0100 [thread overview] Message-ID: <fa5c887e-82d8-5347-ff18-85e3628dadbe@suse.de> (raw) In-Reply-To: <2c474745ae884de3b4ecb8abe2152bfd@AcuMS.aculab.com> [-- Attachment #1.1.1.1: Type: text/plain, Size: 1702 bytes --] Hi Am 20.11.20 um 10:52 schrieb David Laight: >> Hi David >> >> Am 18.11.20 um 23:01 schrieb David Laight: > ... >> Did you try Daniel's suggestion of testing with the direct parent commit? > (I was on holiday yesterday and didn't want to spend a sunny > afternoon doing bisects.) Makes sense :) > > I've just done that and it is bad. > > Is there any way to bisect through the parts of the > drm merge patch into v5.10-rc1 ? > > That ought to be quicker (and less error prone) than > the bisect builds I was doing. > > Note that the stack 'splat' is due to a later change. > It is separate from the broken pixel alignment. > > I actually saw the vga text go 'funny' while the boot > was outputting all the [OK] messages (from systemd?) > before the graphic login stole tty1 (bloody stupid > to use tty1). > > I don't need to use the failing system today, I'll > have another go at isolating the failure. You can use drm-tip for testing, where many of the DRM patches go through. https://cgit.freedesktop.org/drm/drm-tip/ It's fairly up-to-date. I have two systems with AST chips and neither shows any of the symptoms you describe; nor do we have such reports about drivers that use a similar stack (hibmc, bochs). Could you provide the output of dmesg | grep drm Best regards Thomas > > David > > - > Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK > Registration No: 1397386 (Wales) > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer [-- Attachment #1.1.1.2: OpenPGP_0x680DC11D530B7A23.asc --] [-- Type: application/pgp-keys, Size: 7535 bytes --] [-- Attachment #1.2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 840 bytes --] [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-11-20 10:13 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-20 9:52 Linux 5.10-rc4; graphics alignment David Laight 2020-11-20 9:52 ` David Laight 2020-11-20 10:13 ` Thomas Zimmermann [this message] 2020-11-20 10:13 ` Thomas Zimmermann 2020-11-20 10:51 ` David Laight 2020-11-20 10:51 ` David Laight 2020-11-20 11:26 ` Thomas Zimmermann 2020-11-20 11:26 ` Thomas Zimmermann 2020-11-20 11:45 ` David Laight 2020-11-20 11:45 ` David Laight 2020-11-20 12:30 ` Thomas Zimmermann 2020-11-20 12:30 ` Thomas Zimmermann 2020-11-20 12:53 ` David Laight 2020-11-20 12:53 ` David Laight 2020-11-20 13:41 ` Thomas Zimmermann 2020-11-20 13:41 ` Thomas Zimmermann 2020-11-20 15:39 ` David Laight 2020-11-20 15:39 ` David Laight 2020-11-24 16:27 ` David Laight 2020-11-24 16:27 ` David Laight 2020-11-25 7:53 ` Thomas Zimmermann 2020-11-25 7:53 ` Thomas Zimmermann 2020-11-25 8:25 ` Thomas Zimmermann 2020-11-25 8:25 ` Thomas Zimmermann
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