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Bug#1146033: linux-image-7.1.8+deb14.1-amd64: cannot shutdown laptop

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Hi Ole,

On Mon, Oct 05, 2026 at 09:57:41AM +0200, ole.carlsen@tutamail.com wrote:
> On Thu, 24 Sep 2026 08:50:07 +0200 ole.carlsen@tutamail.com wrote:
> > On Wed, 23 Sep 2026 16:12:05 +0200 Uwe =?utf-8?Q?Kleine-K=C3=B6nig?=
> > <ukleinek@debian.org> wrote:
> > > Hello Ole,
> > >
> > > On Sat, Aug 29, 2026 at 02:22:27PM +0200, ole.carlsen@tutamail.com
> wrote:
> > > > aug 29 14:10:05 twike3 kernel: x86/CPU: Running old microcode
> > >
> > > Can you try to install `intel-microcode`, regenerate the initramfs and
> > > reboot?
> > >
> > > Does that help?
> > >
> > > Best regards
> > > Uwe
> >
> > i already did install intel-microcode some time ago, as i also saw the
> > information about running old microcode, tested it al today with the
> > image 7.2.7 and a regenerated initramfs but unfortunately no luck
> >
> > --
> > Ole
> >
> 
> tested with image 7.2.8 and 7.2.9 but no changes so far and i'm not even
> sure the issue for this problem really is targetted
> 
> it was working in <7.0.x so it should be fixable but there might be reasons,
> i don't know, of why it is not working any more

So given we were out of luck with ideas on possible causes, the only
viable way forward we see is to ask you for a bisect between the 7.0
and 7.1 upstream versions. Can you please do that? The steps will
involve compiling and testing a couple of kernels, but given we will
use a targeted config, things should go reasonably fast, and you have
a clear idicator when things are 'bad'. As I understand every 7.1.y
release was a problem, so looks we should bisect between v7.0 and v7.1
(but if that understanding was wrong, then we should adapt the
following procedure):

    git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
    cd linux
    git checkout v7.0
    cp /boot/config-$(uname -r) .config
    yes '' | make localmodconfig
    make savedefconfig
    mv defconfig arch/x86/configs/my_defconfig

    # test 7.0 to ensure this is "good"
    make my_defconfig
    make -j $(nproc) bindeb-pkg
    ... install the resulting .deb package and confirm problem does not exist

    # test 7.1 to ensure this is "bad"
    git checkout v7.1
    make my_defconfig
    make -j $(nproc) bindeb-pkg
    ... install the resulting .deb package and confirm problem exists

With that confirmed, the bisection can start:

    git bisect start --first-parent
    git bisect good v7.0
    git bisect bad v7.1

(note the --first-parent flag for the bisect start, this is useful as
we bisect in mainline where we will see a lot of merges from other
branches)

In each bisection step git checks out a state between the oldest
known-bad and the newest known-good commit. In each step test using:

    make my_defconfig
    make -j $(nproc) bindeb-pkg
    ... install, verify if problem exists

and if the problem is hit run:

    git bisect bad

and if the problem doesn't trigger run:

    git bisect good

. Please pay attention to always select the just built kernel for
booting, it won't always be the default kernel picked up by grub.

Iterate until git announces to have identified the first bad commit.

Then provide the output of

    git bisect log

In the course of the bisection you might have to uninstall previous
kernels again to not exhaust the disk space in /boot. Also in the end
uninstall all self-built kernels again.

Regards,
Salvatore

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Thread

Bug#1146033: linux-image-7.1.8+deb14.1-amd64: cannot shutdown laptop Uwe Kleine-König <ukleinek@debian.org> - 2026-09-23 16:20 +0200
  Bug#1146033: linux-image-7.1.8+deb14.1-amd64: cannot shutdown laptop ole.carlsen@tutamail.com - 2026-09-24 09:00 +0200
    Bug#1146033: linux-image-7.1.8+deb14.1-amd64: cannot shutdown laptop ole.carlsen@tutamail.com - 2026-10-05 10:00 +0200
      Bug#1146033: linux-image-7.1.8+deb14.1-amd64: cannot shutdown laptop Salvatore Bonaccorso <carnil@debian.org> - 2026-10-10 22:00 +0200

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