On Thu, Oct 6, 2022 at 2:48 PM Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, Oct 4, 2022 at 8:42 PM Dave Airlie <airlied@xxxxxxxxx> wrote: > > > > Lots of stuff all over, some new AMD IP support and gang > > submit support [..] > > Hmm. > > I have now had my main desktop lock up twice after pulling this. > Nothing in the dmesg after a reboot, and nothing in particular that > seems to trigger it, so I have a hard time even guessing what's up, > but the drm changes are the primary suspect. > > I will try to see if I can get any information out of the machine, but > with the symptom being just a dead machine ... > > This is the same (old) Radeon device: > > 49:00.0 VGA compatible controller: Advanced Micro Devices, Inc. > [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X/590] (rev e7) > > with dual 4k monitors, running on my good old Threadripper setup. > > Again, there's no explicit reason to blame the drm pull, except that > it started after that merge (that machine ran the kernel with the > networking pull for a day with no problems, and while there were other > pull requests in between them, they seem to be fairly unrelated to the > hardware I have). > > But the lockup is so sporadic (twice in the last day) that I really > can't bisect it, so I'm afraid I have very very little info. > > Any suggestions? Maybe you are seeing this which is an issue with GPU TLB flushes which is kind of sporadic: https://gitlab.freedesktop.org/drm/amd/-/issues/2113 Are you seeing any GPU page faults in your kernel log? Alex
