Hello, On Wed, Nov 12, 2025 at 06:19:07PM +0200, Roman Savochenko wrote: > 12.11.25 17:03, Christian König: > > On 11/12/25 15:28, Roman Savochenko wrote: > > > 12.11.25 13:14, Uwe Kleine-König: > > > > > On my hardware that doesn't work and there is no specific. > > > > > > > > > > Now just I set "radeon.dpm=1", I got immediately restart with disabling USB, > > > > > so I have needed to restart for successful download with "radeon.dpm=0". > > > > Can you try a different monitor? > > > I have only one, connected through DVI, and there is no problem on Linux Kernel 5. > > Kernel 5 what? E.g. which concrete version number? (output of uname -a). > user@debian:~$ cat /proc/version > > Linux version 5.10.0-32-amd64 (debian-kernel@lists.debian.org) (gcc-10 > (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) > #1 SMP Debian 5.10.223-1 (2024-08-10) > > > > > Can you try which Debian kernel was the last one working fine respective > > > > the first being broken in this regard? You can find all kernels on > > > > https://snapshot.debian.org/. Please ask if it's unclear how to do that. > > > I can try all kernels in Debian starting 7 and finishing 13, but I have traced that before and the problem reproduction started from Debian 9, terminated on Debian 11 and renewed on Debian 12. Not sure I follow. Does that mean that Debian 9, Debian 10, Debian 12 and Debian 13 show the symptom and Debian 11 doesn't? In that case the interesting interval is 5.10 .. 6.1. If you could pinpoint the oldest kernel image package that shows the symptoms that would be great. > > How keen are you to compile the kernel yourself? That is usually relatively easy to do and git has a bisect command which allows you to pinpoint which kernel patch actually changes something. For the typical Linux user compiling their own kernel is a big hurdle, so usually we (= Debian kernel team) ask for bisecting using distribution kernel packages first which tends to be a bit easier. Best regards Uwe
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