XPost: linux.debian.bugs.dist   
   From: u.kleine-koenig@baylibre.com   
      
   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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   =fwOm   
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