Comment # 1
on bug 108854
from Tom Seewald
I can confirm this is still happening on 4.20-rc4 as well as with more up to date userspace software. libdrm: 3.27.0 Mesa: 18.2.4 The hangs can be reliably reproduced at least as far back as kernel 4.15 so I am not confident I can bisect this. Here is a dump of my card's firmware information in case I missed an update. # cat /sys/kernel/debug/dri/1/amdgpu_firmware_info VCE feature version: 0, firmware version: 0x34040300 UVD feature version: 0, firmware version: 0x01821000 MC feature version: 0, firmware version: 0x00000000 ME feature version: 47, firmware version: 0x000000a2 PFP feature version: 47, firmware version: 0x000000f0 CE feature version: 47, firmware version: 0x00000089 RLC feature version: 1, firmware version: 0x00000035 RLC SRLC feature version: 0, firmware version: 0x00000000 RLC SRLG feature version: 0, firmware version: 0x00000000 RLC SRLS feature version: 0, firmware version: 0x00000000 MEC feature version: 47, firmware version: 0x000002cb MEC2 feature version: 47, firmware version: 0x000002cb SOS feature version: 0, firmware version: 0x00000000 ASD feature version: 0, firmware version: 0x00000000 SMC feature version: 0, firmware version: 0x001d0900 SDMA0 feature version: 31, firmware version: 0x00000036 SDMA1 feature version: 0, firmware version: 0x00000036 VCN feature version: 0, firmware version: 0x00000000 DMCU feature version: 0, firmware version: 0x00000000 VBIOS version: 113-C98121-M01 Would umr[1] be useful here? I have not used it before, so I'd need some guidance on what arguments would produce output relevant to this hang. Any help is appreciated. [1] https://cgit.freedesktop.org/amd/umr/
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