Hi, when I searching my error message I got a lot of hits.. In arch it's solved: https://bugs.archlinux.org/task/76934
the patch: https://gitlab.freedesktop.org/superm1/linux/-/commit/2145b4de3fea9908cda6bef0693a797cc7f4ddfc.patch > Gesendet: Donnerstag, 30. März 2023 um 15:37 Uhr > Von: "Diederik de Haas" <didi.deb...@cknow.org> > An: "Stefan K" <shado...@gmx.net>, 1033...@bugs.debian.org > Betreff: Re: Bug#1033637: linux: amdgpu - External displays connected through > Thinkpad Ultra Dock not turn on after suspend > > Control: found -1 6.1.20-1 > > > > Unstable has version 6.1.20-1, can you test whether the issue is present > > > there too? > > Yes, it still happens with 6.1.20-1.. > > Updating metadata accordingly > > On Thursday, 30 March 2023 14:46:51 CEST Stefan K wrote: > > With Kernel 6.0.0-0.deb11.6-amd64 it works fine > > Shouldn't that be 6.1.0-0.deb11.6-amd64? > Which would be the bullseye-backports kernel for version 6.1.15-1. > > On https://snapshot.debian.org/binary/linux-image-amd64/ you can find > compiled > debs of various kernel kernel versions. The goal is to figure out what the > last > kernel was that worked properly and the first one that does not. > > As a first test, I would like you to try 6.1~rc3-1~exp1. > If that version also has the issue, then it's useful to test 6.0-1~exp1. > If 6.0-1~exp1 does NOT have the issue, but 6.1~rc3~exp1 then we know that the > issue was introduced in the 6.1 'merge window'.