Odd I couldn't even boot my system with the dGPU as primary after rebuilding the kernel. It got hung up in the IOMMU driver (loads of AMD-Vi IOMMU errors) which I wasn't able to capture because it panic'ed before loading the network stack. Bizarre. I'll keep trying. Tom On 2018-09-18 9:35 a.m., Christian König wrote: > Am 18.09.2018 um 15:32 schrieb Tom St Denis: >> On 2018-09-18 9:30 a.m., Christian König wrote: >>> Great, not sure if that is a good or a bad news. >>> >>> Anyway going to revert the change for now. Does anybody volunteer to >>> figure out why interrupts sometimes doesn't work correctly on Raven? >> >> What does "doesn't work correctly?" My workstation is a Raven1 (Ryzen >> 2400G) and other than the TTM bulk move issue has been perfectly >> stable (through suspend/resumes too I might add). >> >> Anything I could test with my devel raven? > > The problem seems to be that on some boards IH handling doesn't work as > it should. > > Can you try to disable the onboard graphics and try again? > > If that still doesn't work there is a DRM_DEBUG in amdgpu_ih_process(), > make that a DRM_ERROR and send me the resulting dmesg of loading amdgpu > (but don't start any UMD). > > Thanks, > Christian. > >> >> >> Tom >> >>> >>> Christian. >>> >>> Am 18.09.2018 um 15:27 schrieb Tom St Denis: >>>> This commit: >>>> >>>> [root at raven linux]# git bisect good >>>> 9b0df0937a852d299fbe42a5939c9a8a4cc83c55 is the first bad commit >>>> commit 9b0df0937a852d299fbe42a5939c9a8a4cc83c55 >>>> Author: Christian König <christian.koenig at amd.com> >>>> Date:  Tue Sep 18 10:38:09 2018 +0200 >>>> >>>>    drm/amdgpu: remove fence fallback >>>> >>>>    DC doesn't seem to have a fallback path either. >>>> >>>>    So when interrupts doesn't work any more we are pretty much >>>> busted no >>>>    matter what. >>>> >>>>    Signed-off-by: Christian König <christian.koenig at amd.com> >>>>    Reviewed-by: Chunming Zhou <david1.zhou at amd.com> >>>> >>>> Results in this: >>>> >>>> [  24.334025] [drm] Initialized amdgpu 3.27.0 20150101 for >>>> 0000:07:00.0 on minor 1 >>>> [  24.335674] modprobe (3895) used greatest stack depth: 12600 >>>> bytes left >>>> [  26.272358] [drm:gfx_v8_0_ring_test_ib [amdgpu]] *ERROR* amdgpu: >>>> IB test timed out. >>>> [  26.272460] [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* amdgpu: >>>> failed testing IB on ring 9 (-110). >>>> [  26.407885] [drm:process_one_work] *ERROR* ib ring test failed >>>> (-110). >>>> [  28.506708] fuse init (API version 7.27) >>>> >>>> On init with my polaris/raven1 system. >>>> >>>> Cheers, >>>> Tom >>>> _______________________________________________ >>>> amd-gfx mailing list >>>> amd-gfx at lists.freedesktop.org >>>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx >>> >> >
