On Sat, Oct 18, 2025 at 01:22:04PM +0300, Roman Savochenko wrote: > Package: linux-image-amd64 > Version: 6.12.48-1 > Severity: critical > Tags: upstream > X-Debbugs-Cc: debian-amd64@lists.debian.org > User: debian-amd64@lists.debian.org > Usertags: amd64 > > That is a reopening the bug #879992, which reproduction started from Debian 9 > on AMD A8-6500 APU. > > And only Debian 11 is where the bug was not reproducing on Linux kernel 5. > > >From Debian 12 (any Linux kernel 6) and now in Debian 13 it is obligatory > reproducing not as restarting but freezing with black screen and on any kernel > 6 version (also 6.16.3+deb13-amd64). > > And it is worarounded only by the kernel option "radeon.dpm=0". Can you please provide the output of `lspci -nn`. With that input a quirk can be added that make the parameter dpm default to 0 for your hardware. Best regards Uwe
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