Comment # 16
on bug 107065
from dwagner
(In reply to Andrey Grodzovsky from comment #15) > We have only minor differences but I can't reproduce it. Maybe the resume > failure is indeed due the eviction failure during suspend. Is S3 failure is > happening only when you switch to CPU update mode ? No, when I boot amd-staging-drm-next with amdgpu.vm_update_mode=0 and suspend to S3 then resuming does also crash, but with different messages - _not_ with "BUG: unable to handle kernel paging request at 0000000000002000" like in the vm_update_mode=3 case. In the journal, I can see see after a vm_update_mode=0 S3 resume attempt: Jul 05 00:41:59 ryzen kernel: [TTM] Buffer eviction failed Jul 05 00:41:59 ryzen kernel: ACPI: Preparing to enter system sleep state S3 ... Jul 05 00:42:00 ryzen kernel: [drm:gfx_v8_0_ring_test_ring [amdgpu]] *ERROR* amdgpu: ring 0 test failed (scratch(0xC040)=0xC> Jul 05 00:42:00 ryzen kernel: [drm:amdgpu_device_ip_resume_phase2 [amdgpu]] *ERROR* resume of IP block <gfx_v8_0> failed -22 Jul 05 00:42:00 ryzen kernel: [drm:amdgpu_device_resume [amdgpu]] *ERROR* amdgpu_device_ip_resume failed (-22). Jul 05 00:42:00 ryzen kernel: dpm_run_callback(): pci_pm_resume+0x0/0xa0 returns -22 Jul 05 00:42:00 ryzen kernel: PM: Device 0000:0a:00.0 failed to resume async: error -22 ... Jul 05 00:42:00 ryzen kernel: amdgpu 0000:0a:00.0: couldn't schedule ib on ring <sdma0> Jul 05 00:42:00 ryzen kernel: [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs (-22) Jul 05 00:42:00 ryzen kernel: amdgpu 0000:0a:00.0: couldn't schedule ib on ring <sdma0> Jul 05 00:42:00 ryzen kernel: [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs (-22) Jul 05 00:42:00 ryzen kernel: amdgpu 0000:0a:00.0: couldn't schedule ib on ring <sdma0> Jul 05 00:42:00 ryzen kernel: [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs (-22) Jul 05 00:42:00 ryzen kernel: amdgpu 0000:0a:00.0: couldn't schedule ib on ring <sdma0> ... many more of this... but no kernel BUG or Oops.
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