linux-kernel - Re: BISECTED REGRESSION on v6.18 (was: REGRESSION on drm-tip)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAJZ5v0hw_zUUf1Ns_tvq8zC06T0NKzUrqKrN25VFwaFs5rJPNQ@mail.gmail.com>
Date: Wed, 3 Dec 2025 14:40:49 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Jani Nikula <jani.nikula@...ux.intel.com>
Cc: "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@...el.com>, brauner@...nel.org, 
	"intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>, 
	"intel-xe@...ts.freedesktop.org" <intel-xe@...ts.freedesktop.org>, "Saarinen, Jani" <jani.saarinen@...el.com>, 
	"Kurmi, Suresh Kumar" <suresh.kumar.kurmi@...el.com>, 
	Thorsten Leemhuis <regressions@...mhuis.info>, 
	Ville Syrjälä <ville.syrjala@...ux.intel.com>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Pavel Machek <pavel@...nel.org>, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: BISECTED REGRESSION on v6.18 (was: REGRESSION on drm-tip)

On Wed, Dec 3, 2025 at 2:36 PM Jani Nikula <jani.nikula@...ux.intel.com> wrote:
>
> On Wed, 03 Dec 2025, Jani Nikula <jani.nikula@...ux.intel.com> wrote:
> > On Thu, 27 Nov 2025, "Borah, Chaitanya Kumar" <chaitanya.kumar.borah@...el.com> wrote:
> >> Hello Christian,
> >>
> >> This is Chaitanya (again!).
> >>
> >> This mail is regarding another regression we are seeing in our CI
> >> runs[1] on drm-tip (with both xe and i915).
> >
> > Referring to drm-tip is downplaying the problem. The bisected regression
> > is in v6.18 release. It's breaking suspend/resume across a lot of
> > platforms on two drivers, i915 and xe.
> >
> > a3f8f8662771 ("power: always freeze efivarfs")
> >
> > As far as regressions go, it's pretty bad. Please prioritize.
>
> Added some missing Cc's.

This should fix it:

https://lore.kernel.org/linux-pm/12788397.O9o76ZdvQC@rafael.j.wysocki/