linux-kernel - Re: Linux regressions report for mainline [2022-05-09] (was: Linux 5.18-rc6)

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Date:   Mon, 9 May 2022 10:20:58 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     "Regzbot (on behalf of Thorsten Leemhuis)" 
        <regressions@...mhuis.info>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Matthew Auld <matthew.auld@...el.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: Re: Linux regressions report for mainline [2022-05-09] (was: Linux 5.18-rc6)

On Mon, May 9, 2022 at 3:47 AM Regzbot (on behalf of Thorsten
Leemhuis) <regressions@...mhuis.info> wrote:
>
> Hi Linus! Here's a quick compilation of open reports about regressions in
> 5.18-rc that I'm currently aware of; most of the reports are quite
> recent and there afaics is nothing that looks particularly worrisome.

Well, the Intel GPU issue seems likely to cause problems for lots of people:

> [ *NEW* ] drm/i915: BYT rendering broken due to "Remove short-term pins from execbuf, v6"
> -----------------------------------------------------------------------------------------
> https://linux-regtracking.leemhuis.info/regzbot/regression/1366349e-f96a-3f2c-3094-f5cd1a6fa31f@redhat.com/
> https://lore.kernel.org/dri-devel/1366349e-f96a-3f2c-3094-f5cd1a6fa31f@redhat.com/
>
> By Hans de Goede; 0 days ago; 2 activities, latest 0 days ago.
> Introduced in b5cfe6f7a6e1 (v5.18-rc1)
>
> Recent activities from: Tvrtko Ursulin (1), Hans de Goede (1)

Although it looks possible that it mainly affects old chipsets (ie the
two reports are for a Bay Trail chip and a Core 2 Duo chip - I have no
idea how they compare).

That probably means there are a lot of machines out there, but likely
not the kind that most kernel developers will be testing, so not a ton
of reports until it hits distro kernels etc.

It looks like Maarten is already involved.

                    Linus