On Wed, Apr 12, 2023 at 10:47:13PM +0100, Eddie Chapman wrote: > Greg Kroah-Hartman wrote: > > This is the start of the stable review cycle for the 5.15.107 release. > > There are 93 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please let > > me know. > > > > Responses should be made by Fri, 14 Apr 2023 08:28:02 +0000. > > Anything received after that time might be too late. > > > > I think I'm seeing a regression here in the amdgpu driver, though not being > a kernel dev I could be wrong. > > I built and booted this today on an x86_64 machine (AMD Ryzen 7 3700X, > Gigabyte X570 UD motherboard) with 3 x AMD graphics cards (using names from > lspci output): > - Cape Verde GL [FirePro W4100] > - Oland XT [Radeon HD 8670 / R5 340X OEM / R7 250/350/350X OEM] (rev 83) > - Bonaire [Radeon R7 200 Series] > > All three using the amdgpu driver (radeon module blacklisted). > > This machine has been running vanilla 5.15 stable releases for a good while, > with the kernel updated with whatever the latest 5.15 release is every 6 > weeks or so. Never had any amdgpu problems. > > To build 5.15.107-rc1 I applied the contents of the queue-5.15 directory on > top of 5.15.106, having synced the stable queue git repo up until commit > 344d8ad1b5dde387d1ce4d1be2641753b89dd10d (still the latest commit as a > type). This is what I have done for years running vanilla stable kernels. > > There was nothing out of the ordinary in the build output, but on rebooting > into 5.15.107-rc1 I had the following error in dmesg from 1 card only: > > amdgpu 0000:0d:00.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test > failed on vce0 (-110). > [drm:process_one_work] *ERROR* ib ring test failed (-110). > > This was during bootup immediately after driver loading. X is not running. > 0000:0d:00.0 is the Bonaire card. > > I then shutdown and fully powered off for a few minutes, booted 5.15.107-rc1 > again, but the error on that card persisted exactly the same. > > This was a regression for me as I've never had that error before on any > kernel release (I grepped through old kernel logs to check). > > I then rebuilt 5.15.107-rc1 but without applying the following 4 patches: > > drm-panfrost-fix-the-panfrost_mmu_map_fault_addr-error-path.patch > drm-amdgpu-fix-amdgpu_job_free_resources-v2.patch > drm-amdgpu-prevent-race-between-late-signaled-fences.patch > drm-bridge-lt9611-fix-pll-being-unable-to-lock.patch > > On booting into the newly built kernel there was no error anymore, amdgpu > dmesg output was as normal, and the machine is running fine now on that. > > So I'm quite confident one of those patches introduced the error for me. > Having now looked at the contents of them I see the lt9611 is entirely > different hardware and I'm guessing the panfrost one probably is as well, so > most likely I didn't need to remove those 2. > > This is not a great report and maybe not helpful (sorry) as unfortunately I > cannot try and narrow it down further to a single patch as this machine has > to stay running now for a while. I just crudely tried yanking those 4 to > hopefully get rid of the error and get the machine running again. Also I > didn't go on to test whether the card actually worked as expected, maybe the > error is harmless after all, though it doesn't look insignificant. > > As the error was only output for the Bonaire card (the other two were fine), > below is lspci -vvv output for that card only in case it helps. If anyone > would like further info just let me know. Ok, I've dropped the two drm-amdgpu-* patches from the tree for now. Let me know if the release works properly for you or not. thanks for testing and letting us know! greg k-h