On Thu, May 9, 2024 at 8:31 PM Linux regression tracking (Thorsten Leemhuis) <regressions@xxxxxxxxxxxxx> wrote: > > On 06.05.24 20:23, Dan Moulding wrote: > > After upgrading to rc7 from rc6 on a system with NVIDIA GP104 using > > the nouveau driver, I get no display output from the kernel (only the > > output from GRUB shows on the primary display). Nonetheless, I was > > able to SSH to the system and get the kernel log from dmesg. I found > > errors from nouveau in it. Grepping it for nouveau gives me this: > > > > [ 0.367379] nouveau 0000:01:00.0: NVIDIA GP104 (134000a1) > > [ 0.474499] nouveau 0000:01:00.0: bios: version 86.04.50.80.13 > > [ 0.474620] nouveau 0000:01:00.0: pmu: firmware unavailable > > [ 0.474977] nouveau 0000:01:00.0: fb: 8192 MiB GDDR5 > > [ 0.484371] nouveau 0000:01:00.0: sec2(acr): mbox 00000001 00000000 > > [ 0.484377] nouveau 0000:01:00.0: sec2(acr):load: boot failed: -5 > > [ 0.484379] nouveau 0000:01:00.0: acr: init failed, -5 > > [ 0.484466] nouveau 0000:01:00.0: init failed with -5 > > [ 0.484468] nouveau: DRM-master:00000000:00000080: init failed with -5 > > [ 0.484470] nouveau 0000:01:00.0: DRM-master: Device allocation failed: -5 > > [ 0.485078] nouveau 0000:01:00.0: probe with driver nouveau failed with error -50 > > > > I bisected between v6.9-rc6 and v6.9-rc7 and that identified commit > > 52a6947bf576 ("drm/nouveau/firmware: Fix SG_DEBUG error with > > nvkm_firmware_ctor()") as the first bad commit. > > Lyude, that's a commit of yours. > > Given that 6.9 is due a quick question: I assume there is no easy fix > for this in sight? Or is a quick revert something that might be > appropriate to prevent this from entering 6.9? I'll take a look today and see if I can reproduce it and revert it if needed. Dave.