From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Bob Anderson <kernel@ametros.net>
Cc: Wolfgang Walter <linux@stwm.de>,
stable@vger.kernel.org, patches@lists.linux.dev,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Sasha Levin <sashal@kernel.org>
Subject: Re: regression 6.18.57: acpi power button vanished in machines running in qemu
Date: Sun, 18 Oct 2026 15:35:31 +0200 [thread overview]
Message-ID: <2026101813-doorstop-hyphen-614c@gregkh> (raw)
In-Reply-To: <atSdI7buRErdF1jZ@ametros.net>
On Sun, Oct 18, 2026 at 11:19:15AM +0100, Bob Anderson wrote:
> On Sun, Oct 18, 2026 at 08:48:03AM +0200, Greg Kroah-Hartman wrote:
> > On Sat, Oct 17, 2026 at 07:26:54PM +0200, Wolfgang Walter wrote:
> > >
> > > since 6.18.57 there is no acpi power button any more in virtual qemu based
> > > machines (as far as I can see model doesn't matter).
> >
> > Can you use 'git bisect' to find the offending change? Does this also
> > happen in the latest 7.2.y and 7.3-rc releases?
>
> Reverting 38c79dacc8063ff8a0d75ce2a900fbaff82ad94c makes the problem
> go away.
>
> Reverting cleanly required reverting c85f325d9ec3116b0d4ee9d5b76c26aea0ad5ce0
> and 78677084cd09001c3c815aab80c59708130a65d7 too.
>
> FWIW we also have this problem on hardware (various Dell servers): the
> power button and "graceful shutdown" via iDRAC no longer work. We're using
> a custom ACPI daemon that looks specifically for ACPI power button events.
is this an issue in 7.3-rc as well?
next prev parent reply other threads:[~2026-10-18 13:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-17 17:26 regression 6.18.57: acpi power button vanished in machines running in qemu Wolfgang Walter
2026-10-18 6:48 ` Greg Kroah-Hartman
2026-10-18 10:19 ` Bob Anderson
2026-10-18 13:35 ` Greg Kroah-Hartman [this message]
2026-10-18 16:47 ` Bob Anderson
2026-10-18 19:49 ` Bob Anderson
2026-10-19 16:29 ` Wolfgang Walter
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