These repeat many times, with the first being most frequent: ... [50895.984184] radeon 0000:01:00.0: GPU fault detected: 146 0x072a4804 [50895.984189] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000 [50895.984193] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000 [50895.984198] VM fault (0x00, vmid 0) at page 0, read from unknown (0) [50895.984204] radeon 0000:01:00.0: GPU fault detected: 146 0x0f8a4404 [50895.984209] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000 [50895.984214] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000 ... The end of the 'dmesg' output had these lines: [50895.985450] radeon 0000:01:00.0: GPU fault detected: 146 0x0f8a0804 [50895.985454] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000 [50895.985459] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000 [50895.985463] VM fault (0x00, vmid 0) at page 0, read from unknown (0) [50905.920122] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [50905.920135] radeon 0000:01:00.0: GPU lockup (waiting for 0x00000000005fccc6 last fence id 0x00000000005fccbb) [50906.087194] radeon 0000:01:00.0: sa_manager is not empty, clearing anyway [50906.452469] radeon 0000:01:00.0: Saved 669 dwords of commands on ring 0. [50906.452599] radeon 0000:01:00.0: GPU softreset: 0x00000049 [50906.452601] radeon 0000:01:00.0: GRBM_STATUS = 0xE7D24028 [50906.452603] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0xEFC00000 [50906.452605] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0xEFC00000 [50906.452606] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [50906.452717] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [50906.452719] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [50906.452721] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00010800 [50906.452722] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00408006 [50906.452724] radeon 0000:01:00.0: R_008680_CP_STAT = 0x84038647 [50906.452726] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [50906.452728] radeon 0000:01:00.0: R_00D834_DMA_STATUS_REG = 0x44C83D57 [50906.452730] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000 [50906.452733] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000 [50906.469367] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x0000DDFF [50906.469421] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100 [50906.470576] radeon 0000:01:00.0: GRBM_STATUS = 0x00003028 [50906.470578] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000006 [50906.470579] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000006 [50906.470581] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [50906.470692] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [50906.470693] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [50906.470695] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [50906.470697] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [50906.470699] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [50906.470701] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [50906.470703] radeon 0000:01:00.0: R_00D834_DMA_STATUS_REG = 0x44C83D57 [50906.470826] radeon 0000:01:00.0: GPU reset succeeded, trying to resume [50906.491610] [drm] probing gen 2 caps for device 1002:5978 = 300d02/0 [50906.491613] [drm] PCIE gen 2 link speeds already enabled [50906.493868] [drm] PCIE GART of 1024M enabled (table at 0x0000000000276000). [50906.493970] radeon 0000:01:00.0: WB enabled [50906.493972] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff880226f4ac00 [50906.493974] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xffff880226f4ac04 [50906.493975] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xffff880226f4ac08 [50906.493977] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff880226f4ac0c [50906.493978] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xffff880226f4ac10 [50906.494950] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90010235a18 [50906.498535] [drm] ring test on 0 succeeded in 3 usecs [50906.498539] [drm] ring test on 1 succeeded in 1 usecs [50906.498544] [drm] ring test on 2 succeeded in 1 usecs [50906.498607] [drm] ring test on 3 succeeded in 2 usecs [50906.498618] [drm] ring test on 4 succeeded in 1 usecs [50906.675502] [drm] ring test on 5 succeeded in 2 usecs [50906.675508] [drm] UVD initialized successfully. [50916.660785] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [50916.660798] radeon 0000:01:00.0: GPU lockup (waiting for 0x00000000005fccc9 last fence id 0x00000000005fccbc) [50916.660805] [drm:r600_ib_test] *ERROR* radeon: fence wait failed (-35). [50916.660813] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on GFX ring (-35). [50916.660819] radeon 0000:01:00.0: ib ring test failed (-35). [50917.026791] radeon 0000:01:00.0: GPU softreset: 0x00000048 [50917.026794] radeon 0000:01:00.0: GRBM_STATUS = 0xA0003028 [50917.026796] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000006 [50917.026798] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000006 [50917.026799] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [50917.026910] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [50917.026912] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [50917.026914] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00010000 [50917.026915] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00400002 [50917.026917] radeon 0000:01:00.0: R_008680_CP_STAT = 0x84010243 [50917.026919] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [50917.026921] radeon 0000:01:00.0: R_00D834_DMA_STATUS_REG = 0x44C83D57 [50917.026923] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00000000 [50917.026926] radeon 0000:01:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x00000000 [50917.027089] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x0000DDFF [50917.027153] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100 [50917.028308] radeon 0000:01:00.0: GRBM_STATUS = 0x00003028 [50917.028310] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000006 [50917.028312] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000006 [50917.028314] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [50917.028424] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [50917.028426] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [50917.028428] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [50917.028430] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [50917.028432] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [50917.028434] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [50917.028436] radeon 0000:01:00.0: R_00D834_DMA_STATUS_REG = 0x44C83D57 [50917.028559] radeon 0000:01:00.0: GPU reset succeeded, trying to resume [50917.034182] [drm] probing gen 2 caps for device 1002:5978 = 300d02/0 [50917.034185] [drm] PCIE gen 2 link speeds already enabled [50917.036363] [drm] PCIE GART of 1024M enabled (table at 0x0000000000276000). [50917.036547] radeon 0000:01:00.0: WB enabled [50917.036549] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff880226f4ac00 [50917.036550] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xffff880226f4ac04 [50917.036552] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xffff880226f4ac08 [50917.036553] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff880226f4ac0c [50917.036554] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xffff880226f4ac10 [50917.037527] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffc90010235a18 [50917.041108] [drm] ring test on 0 succeeded in 3 usecs [50917.041113] [drm] ring test on 1 succeeded in 1 usecs [50917.041118] [drm] ring test on 2 succeeded in 1 usecs [50917.041181] [drm] ring test on 3 succeeded in 2 usecs [50917.041191] [drm] ring test on 4 succeeded in 1 usecs [50917.218077] [drm] ring test on 5 succeeded in 2 usecs [50917.218082] [drm] UVD initialized successfully. [50917.218706] [drm] ib test on ring 0 succeeded in 0 usecs [50917.218787] [drm] ib test on ring 1 succeeded in 0 usecs [50917.218854] [drm] ib test on ring 2 succeeded in 0 usecs [50917.218920] [drm] ib test on ring 3 succeeded in 0 usecs [50917.218957] [drm] ib test on ring 4 succeeded in 0 usecs [50927.354294] radeon 0000:01:00.0: GPU lockup CP stall for more than 10000msec [50927.354306] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000006 last fence id 0x0000000000000002) [50927.354313] [drm:uvd_v1_0_ib_test] *ERROR* radeon: fence wait failed (-35). [50927.354323] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on ring 5 (-35). [50927.720863] switching from power state: [50927.720865] ui class: none [50927.720866] internal class: boot [50927.720867] caps: [50927.720868] uvd vclk: 0 dclk: 0 [50927.720869] power level 0 sclk: 15000 mclk: 15000 vddc: 1000 vddci: 950 pcie gen: 2 [50927.720870] status: c b [50927.720871] switching to power state: [50927.720872] ui class: performance [50927.720872] internal class: none [50927.720873] caps: [50927.720874] uvd vclk: 0 dclk: 0 [50927.720875] power level 0 sclk: 30000 mclk: 120000 vddc: 900 vddci: 975 pcie gen: 2 [50927.720876] power level 1 sclk: 45000 mclk: 120000 vddc: 900 vddci: 975 pcie gen: 2 [50927.720878] power level 2 sclk: 86000 mclk: 120000 vddc: 1210 vddci: 975 pcie gen: 2 [50927.720878] status: r [50928.077019] [drm:si_dpm_set_power_state] *ERROR* si_set_sw_state failed