Thanks Thorsten. I did try to revert but it didnt revert cleanly and I don't have the knowledge to fix it up.
The patch was part of a merge that included a number of related patches. I'll try to revert the lot and report back. Chris On Fri, 27 Jan 2023, 11:20 Linux kernel regression tracking (Thorsten Leemhuis), <regressi...@leemhuis.info> wrote: > Hi, this is your Linux kernel regression tracker. Top-posting for once, > to make this easily accessible to everyone. > > @nouveau-maintainers, did anyone take a look at this? The report is > already 8 days old and I don't see a single reply. Sure, we'll likely > get a -rc8, but still it would be good to not fix this on the finish line. > > Chris, btw, did you try if you can revert the commit on top of latest > mainline? And if so, does it fix the problem? > > 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 poke > > On 19.01.23 15:33, Linux kernel regression tracking (Thorsten Leemhuis) > wrote: > > [adding various lists and the two other nouveau maintainers to the list > > of recipients] > > > On 18.01.23 21:59, Chris Clayton wrote: > >> Hi. > >> > >> I build and installed the lastest development kernel earlier this week. > I've found that when I try the laptop down (or > >> reboot it), it hangs right at the end of closing the current session. > The last line I see on the screen when rebooting is: > >> > >> sd 4:0:0:0: [sda] Synchronising SCSI cache > >> > >> when closing down I see one additional line: > >> > >> sd 4:0:0:0 [sda]Stopping disk > >> > >> In both cases the machine then hangs and I have to hold down the power > button fot a few seconds to switch it off. > >> > >> Linux 6.1 is OK but 6.2-rc1 hangs, so I bisected between this two and > landed on: > >> > >> # first bad commit: [0e44c21708761977dcbea9b846b51a6fb684907a] > drm/nouveau/flcn: new code to load+boot simple HS FWs > >> (VPR scrubber) > >> > >> I built and installed a kernel with > f15cde64b66161bfa74fb58f4e5697d8265b802e (the parent of the bad commit) > checked out > >> and that shuts down and reboots fine. It the did the same with the bad > commit checked out and that does indeed hang, so > >> I'm confident the bisect outcome is OK. > >> > >> Kernels 6.1.6 and 5.15.88 are also OK. > >> > >> My system had dual GPUs - one intel and one NVidia. Related extracts > from 'lscpi -v' is: > >> > >> 00:02.0 VGA compatible controller: Intel Corporation CometLake-H GT2 > [UHD Graphics] (rev 05) (prog-if 00 [VGA controller]) > >> Subsystem: CLEVO/KAPOK Computer CometLake-H GT2 [UHD Graphics] > >> > >> Flags: bus master, fast devsel, latency 0, IRQ 142 > >> > >> Memory at c2000000 (64-bit, non-prefetchable) [size=16M] > >> > >> Memory at a0000000 (64-bit, prefetchable) [size=256M] > >> > >> I/O ports at 5000 [size=64] > >> > >> Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] > >> > >> Capabilities: [40] Vendor Specific Information: Len=0c <?> > >> > >> Capabilities: [70] Express Root Complex Integrated Endpoint, > MSI 00 > >> > >> Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit- > >> > >> Capabilities: [d0] Power Management version 2 > >> > >> Kernel driver in use: i915 > >> > >> Kernel modules: i915 > >> > >> > >> 01:00.0 VGA compatible controller: NVIDIA Corporation TU117M [GeForce > GTX 1650 Ti Mobile] (rev a1) (prog-if 00 [VGA > >> controller]) > >> Subsystem: CLEVO/KAPOK Computer TU117M [GeForce GTX 1650 Ti > Mobile] > >> Flags: bus master, fast devsel, latency 0, IRQ 141 > >> Memory at c4000000 (32-bit, non-prefetchable) [size=16M] > >> Memory at b0000000 (64-bit, prefetchable) [size=256M] > >> Memory at c0000000 (64-bit, prefetchable) [size=32M] > >> I/O ports at 4000 [size=128] > >> Expansion ROM at c3000000 [disabled] [size=512K] > >> Capabilities: [60] Power Management version 3 > >> Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+ > >> Capabilities: [78] Express Legacy Endpoint, MSI 00 > >> Kernel driver in use: nouveau > >> Kernel modules: nouveau > >> > >> DRI_PRIME=1 is exported in one of my init scripts (yes, I am still > using sysvinit). > >> > >> I've attached the bisect.log, but please let me know if I can provide > any other diagnostics. Please cc me as I'm not > >> subscribed. > > > > Thanks for the report. To be sure the issue doesn't fall through the > > cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression > > tracking bot: > > > > #regzbot ^introduced e44c2170876197 > > #regzbot title drm: nouveau: hangs on poweroff/reboot > > #regzbot ignore-activity > > > > This isn't a regression? This issue or a fix for it are already > > discussed somewhere else? It was fixed already? You want to clarify when > > the regression started to happen? Or point out I got the title or > > something else totally wrong? Then just reply and tell me -- ideally > > while also telling regzbot about it, as explained by the page listed in > > the footer of this mail. > > > > Developers: When fixing the issue, remember to add 'Link:' tags pointing > > to the report (the parent of this mail). See page linked in footer for > > details. > > > > 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 > > That page also explains what to do if mails like this annoy you. >