On 27.01.23 20:46, Chris Clayton wrote: > [Resend because the mail client on my phone decided to turn HTML on behind my back, so my reply got bounced.] > > 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. Tomorrow, I'll try to revert the lot and report > back. You are free to do so, but there is no need for that from my side. I only wanted to know if a simple revert would do the trick; if it doesn't, it in my experience often is best to leave things to the developers of the code in question, as they know it best and thus have a better idea which hidden side effect a more complex revert might have. Ciao, Thorsten > On 27/01/2023 11:20, Linux kernel regression tracking (Thorsten Leemhuis) 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. > >
