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? Ciao, Thorsten > I then rebuilt > v6.9-rc7 with just that commit reverted and the problem does not > occur. > > Please let me know if there are any additional details I can provide > that would be helpful, or if I should reproduce the failure with > additional debugging options enabled, etc. > > Cheers, > > -- Dan