All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Subject: Re: [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6"
Date: Mon, 9 May 2022 10:15:37 +0100	[thread overview]
Message-ID: <7e6540c1-b9d5-eb47-f4b5-4e3d8dd4089a@linux.intel.com> (raw)
In-Reply-To: <1366349e-f96a-3f2c-3094-f5cd1a6fa31f@redhat.com>


On 08/05/2022 15:38, Hans de Goede wrote:
> Hi All,
> 
> When running a 5.18-rc4 (and -rc5) kernel on a Chuwi Hi 8, which is
> a Bay Trail based tablet with 2G RAM and a 1200x1920 DSI panel.
> I noticed that gnome-shell was misrendering. Many UI elements were
> missing (they were all black) and at the gdm login screen (which is
> a special gnome-shell session) the screen often was entirely black
> until I move the cursor around and then various things got
> highlighted after which they sometimes stuck around and sometimes
> they disappeared again after the highlight.
> 
> Since this problem does not happen with various 5.17.y kernels I
> believe that this is a kernel regression in 5.18. I've bisected this
> and the bisect points to:
> 
> commit b5cfe6f7a6e1 ("drm/i915: Remove short-term pins from execbuf, v6.")
> 
> from Maarten. This commit cleanly reverts on top of 5.18-rc5 and
> I can confirm that 5.18-rc5 with b5cfe6f7a6e1 reverted fixes things.
> 
> I would be more then happy to test any possible fixes for this.

For reference the same commit was identified for a GM45 regression here:

https://gitlab.freedesktop.org/drm/intel/-/issues/5806

Regards,

Tvrtko

WARNING: multiple messages have this Message-ID (diff)
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6"
Date: Mon, 9 May 2022 10:15:37 +0100	[thread overview]
Message-ID: <7e6540c1-b9d5-eb47-f4b5-4e3d8dd4089a@linux.intel.com> (raw)
In-Reply-To: <1366349e-f96a-3f2c-3094-f5cd1a6fa31f@redhat.com>


On 08/05/2022 15:38, Hans de Goede wrote:
> Hi All,
> 
> When running a 5.18-rc4 (and -rc5) kernel on a Chuwi Hi 8, which is
> a Bay Trail based tablet with 2G RAM and a 1200x1920 DSI panel.
> I noticed that gnome-shell was misrendering. Many UI elements were
> missing (they were all black) and at the gdm login screen (which is
> a special gnome-shell session) the screen often was entirely black
> until I move the cursor around and then various things got
> highlighted after which they sometimes stuck around and sometimes
> they disappeared again after the highlight.
> 
> Since this problem does not happen with various 5.17.y kernels I
> believe that this is a kernel regression in 5.18. I've bisected this
> and the bisect points to:
> 
> commit b5cfe6f7a6e1 ("drm/i915: Remove short-term pins from execbuf, v6.")
> 
> from Maarten. This commit cleanly reverts on top of 5.18-rc5 and
> I can confirm that 5.18-rc5 with b5cfe6f7a6e1 reverted fixes things.
> 
> I would be more then happy to test any possible fixes for this.

For reference the same commit was identified for a GM45 regression here:

https://gitlab.freedesktop.org/drm/intel/-/issues/5806

Regards,

Tvrtko

WARNING: multiple messages have this Message-ID (diff)
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
To: Hans de Goede <hdegoede@redhat.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
	intel-gfx <intel-gfx@lists.freedesktop.org>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>
Subject: Re: [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6"
Date: Mon, 9 May 2022 10:15:37 +0100	[thread overview]
Message-ID: <7e6540c1-b9d5-eb47-f4b5-4e3d8dd4089a@linux.intel.com> (raw)
In-Reply-To: <1366349e-f96a-3f2c-3094-f5cd1a6fa31f@redhat.com>


On 08/05/2022 15:38, Hans de Goede wrote:
> Hi All,
> 
> When running a 5.18-rc4 (and -rc5) kernel on a Chuwi Hi 8, which is
> a Bay Trail based tablet with 2G RAM and a 1200x1920 DSI panel.
> I noticed that gnome-shell was misrendering. Many UI elements were
> missing (they were all black) and at the gdm login screen (which is
> a special gnome-shell session) the screen often was entirely black
> until I move the cursor around and then various things got
> highlighted after which they sometimes stuck around and sometimes
> they disappeared again after the highlight.
> 
> Since this problem does not happen with various 5.17.y kernels I
> believe that this is a kernel regression in 5.18. I've bisected this
> and the bisect points to:
> 
> commit b5cfe6f7a6e1 ("drm/i915: Remove short-term pins from execbuf, v6.")
> 
> from Maarten. This commit cleanly reverts on top of 5.18-rc5 and
> I can confirm that 5.18-rc5 with b5cfe6f7a6e1 reverted fixes things.
> 
> I would be more then happy to test any possible fixes for this.

For reference the same commit was identified for a GM45 regression here:

https://gitlab.freedesktop.org/drm/intel/-/issues/5806

Regards,

Tvrtko

  parent reply	other threads:[~2022-05-09  9:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-08 14:38 [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6" Hans de Goede
2022-05-08 14:38 ` Hans de Goede
2022-05-08 14:38 ` [Intel-gfx] " Hans de Goede
2022-05-09  7:01 ` Thorsten Leemhuis
2022-05-09  7:01   ` Thorsten Leemhuis
2022-05-09  7:01   ` [Intel-gfx] " Thorsten Leemhuis
2022-05-13  8:18   ` [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6" #forregzbot Thorsten Leemhuis
2022-05-13  8:18     ` [Intel-gfx] " Thorsten Leemhuis
2022-05-21  7:20     ` Thorsten Leemhuis
2022-05-09  9:15 ` Tvrtko Ursulin [this message]
2022-05-09  9:15   ` [5.18 regression] drm/i915 BYT rendering broken due to "Remove short-term pins from execbuf, v6" Tvrtko Ursulin
2022-05-09  9:15   ` [Intel-gfx] " Tvrtko Ursulin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=7e6540c1-b9d5-eb47-f4b5-4e3d8dd4089a@linux.intel.com \
    --to=tvrtko.ursulin@linux.intel.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=hdegoede@redhat.com \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=jani.nikula@linux.intel.com \
    --cc=joonas.lahtinen@linux.intel.com \
    --cc=maarten.lankhorst@linux.intel.com \
    --cc=regressions@lists.linux.dev \
    --cc=rodrigo.vivi@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.