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

Cross-posted to 2 groups.

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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>

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Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes Uwe Kleine-König <ukleinek@debian.org> - 2026-01-19 22:20 +0100
  Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes Werner Sembach <wse@tuxedocomputers.com> - 2026-01-20 15:30 +0100
  Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes Steffen Kühn <sk@ammonit.com> - 2026-01-21 08:30 +0100
  Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes Steffen Kühn <sk@ammonit.com> - 2026-01-22 12:00 +0100
  Bug#1124756: linux-image-6.12.41+deb13-amd64: sporadic freezes Steffen Kühn <sk@ammonit.com> - 2026-01-28 16:10 +0100

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