On 31.03.24 09:15, Andrei Gaponenko wrote: > > On Sun, 31 Mar 2024, Linux regression tracking (Thorsten Leemhuis) wrote: > >> Does you laptop offer a HDMI or DP connector? Have you tried if that >> that works any better? If it does not, then the DRM developers might be >> willing to look into this. > > There are only USB-C port on this machine. However the external > monitor still works if I use a small (passive?) HDMI-to-USB-C adapter > instead of the dock. Yeah, you had mentioned that. >> Anyway: could you try to bisect the problem as described in >> https://docs.kernel.org/admin-guide/verify-bugs-and-bisect-regressions.html > Will do. > > Thank you for your reply! np, but stupid me forgot something (sorry): I had opened your dmesg file, but not looked into it. :-/ I see that it contains a warning from nouveau that might be hinting at the problem. Then I'd say: go and file a ticket here: https://gitlab.freedesktop.org/drm/nouveau/-/issues Please afterwards drop a link to the ticket here please. But a bisection might still be needed; if you do not get a reply from a developer withing two or three days, you definitely want to perform one. Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page. #regzbot duplicate: https://bugzilla.kernel.org/show_bug.cgi?id=218663 #regzbot title: drm: nouveau: external monitor on Dell dock broke
