Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes

[Werner Sembach <wse@tuxedocomputers.com>]

Hi,

Am 19.01.26 um 22:11 schrieb Uwe Kleine-König:
> Hello,
>
> On Tue, Jan 06, 2026 at 01:25:32PM +0100, Steffen wrote:
> > Package: linux-image-6.12.41+deb13-amd64
> > Version: all kernel versions higher 6.1
> > Severity: normal
> > X-Debbugs-Cc: sk@ammonit.com
> >
> > Since updating from Debian 12 to Debian 13, my PC has been
> > experiencing repeated kernel freezes (about 1 to 2 times a day). To
> > find the reason, I configured the log files so that they are not
> > deleted when the system is restarted. Unfortunately, I couldn't find
> > anything in them. My first attempt was to install newer kernels from
> > experimental. This did not solve the problems.
> When you say the kernel freeze, does the machine still respond to pings?
> Does enabling the keyboard backlight (if available) and NumLock still
> work? What about pressing Alt+PrtSc+b?
>
> Can you try installing kernels packaged by Debian from between Debian 12
> and Debian 13 from https://snapshot.debian.org/ to find the newest
> kernel that still works and the oldest broken one?
>   
> > My solution now is to use a kernel from Debian 12. This runs reliably.
> >
> > The kernel freeze problem also occurs on another PC.
> >
> > The systems I use are: Tuxedo InfinityBook Pro 14v5 N14xCU and Tuxedo InfinityBook Pro 15 Gen9 Model IBP15A09MK1 GX5HRXG
> I added Werner Sembach to Cc:, maybe he has an idea or even seen this
> before.

These are 2 very different devices: Intel vs AMD CPU, Insyde vs AMI BIOS, like 6 
years or so in between? So no I have no idea what could break both at the same 
time that is device(s) specific.

Best regards,

Werner Sembach

> > -- System Information:
> > Debian Release: 13.2
> >    APT prefers stable-updates
> >    APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'oldstable-security'), (500, 'stable'), (100, 'oldstable')
> > Architecture: amd64 (x86_64)
> > Foreign Architectures: i386
> >
> > Kernel: Linux 6.1.0-35-amd64 (SMP w/8 CPU threads; PREEMPT)
> > Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
> > Shell: /bin/sh linked to /usr/bin/dash
> > Init: systemd (via /run/systemd/system)
> > LSM: AppArmor: enabled
> >
> > Versions of packages linux-image-6.12.41+deb13-amd64 depends on:
> > ii  initramfs-tools [linux-initramfs-tool]  0.148.3
> > ii  kmod                                    34.2-2
> > ii  linux-base                              4.12
> >
> > Versions of packages linux-image-6.12.41+deb13-amd64 recommends:
> > ii  apparmor  4.1.0-1
> >
> > Versions of packages linux-image-6.12.41+deb13-amd64 suggests:
> > pn  debian-kernel-handbook  <none>
> > ii  extlinux                3:6.04~git20190206.bf6db5b4+dfsg1-3.1
> > ii  firmware-linux-free     20241210-2
> > ii  grub-efi-amd64          2.12-9
> > pn  linux-doc-6.12          <none>