Hi Petra, On Saturday, 5 March 2022 21:12:12 CET Petra R.-P. wrote: > On Sat 05 Mar 2022 at 18:23:52 +0100 Diederik de Haas > <didi.debian@cknow.org> wrote: > > On Monday, 21 February 2022 17:25:33 CET Petra Rübe-Pugliese wrote: > [...] > > > So if you remove the 'quiet' word there and do an update-grub, then the > > boot will be 'noisier' by default (on every boot). > > This is what I have done, for the time being. > > As a result, there was a lot of output on the screen. > I am attaching a foto of the final state, where it stopped. I didn't see an obvious clue as to why it didn't continue ... > However, I cannot find any trace of this in /var/log/kern.log. > Whereas "grep 5.15.0 /var/log/kern.log" gives loads of output, > "grep 5.16.0 /var/log/kern.log" does not produce anything at > all. How about in /var/log/kern.log.1 (f.e.) ? Because on my system the very first message of a boot in that file begins with: [ 0.000000] Linux version 5.16.0-3-amd64 ... > Also manual inspection of the file does not show any relevant passage. So far, *I* haven't found a direct clue as to why things fail, so if you do have _a_ log of a boot with the 5.16 kernel, then having that could help. Especially if you could provide a similar log of a boot with the 5.15 kernel. Doesn't need to be the whole log, but knowing a couple of lines which happen thereafter on 5.15 but not on 5.16 could provide a clue. I saw that the 5.16.11-1 kernel transitioned to testing and it is useful to know if the issue is still present with that version. In the upstream kernel in drivers/gpu/drm/amd I saw a number of commits since version 5.16.7 (and also several other commits which are part of 5.16.12 which is present in salsa, but not yet released). When I look at the photo from https://bugs.debian.org/1006149#44 (from Axel), I do notice an important difference: He has various [drm] messages, whereas I see none of those with you. Do you have [drm] messages when booting with the 5.15 kernel? That bug message also has the following which is different from yours: ii firmware-amd-graphics 20210818-1 ... ii firmware-linux-nonfree 20210818-1 ii firmware-misc-nonfree 20210818-1 So it would be interesting to know whether installing any of those packages makes a difference. I'd suggest first installing the firmware-amd-graphics package. HTH, Diederik
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