Created attachment 132214 [details] Vertex, geometric, pixel shaders dump This test always fails: $ bin/shader_runner piglit/tests/spec/arb_tessellation_shader/execution/trivial-tess-gs_no-gs-inputs.shader_test -auto -fbo Probe color at (0,0) Expected: 0 255 0 0 Observed: 0 0 0 0 Test failure on line 60 PIGLIT: {"result": "fail" } but, in addition, often screen goes black, and kernel spews a message about lockup: [ 4093.695956] radeon 0000:01:00.0: ring 3 stalled for more than 10053msec [ 4093.695966] radeon 0000:01:00.0: GPU lockup (current fence id 0x00000000000002be last fence id 0x00000000000002bf on ring 3) [ 4093.696032] radeon 0000:01:00.0: failed to get a new IB (-35) [ 4093.696079] [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to get ib ! [ 4093.703389] radeon 0000:01:00.0: Saved 1154 dwords of commands on ring 0. [ 4093.703406] radeon 0000:01:00.0: GPU softreset: 0x0000001D [ 4093.703410] radeon 0000:01:00.0: GRBM_STATUS = 0xA0631CA0 [ 4093.703413] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x18000003 [ 4093.703416] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 4093.703418] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [ 4093.703421] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 4093.703424] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x01000000 [ 4093.703427] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00011000 [ 4093.703430] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00068402 [ 4093.703433] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80870243 [ 4093.703436] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44483106 [ 4093.708782] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B [ 4093.708836] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00100100 [ 4093.710004] radeon 0000:01:00.0: GRBM_STATUS = 0x00003828 [ 4093.710006] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000007 [ 4093.710008] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 4093.710010] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [ 4093.710012] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 4093.710014] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [ 4093.710015] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [ 4093.710017] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [ 4093.710019] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [ 4093.710021] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [ 4093.710039] radeon 0000:01:00.0: GPU reset succeeded, trying to resume [ 4093.737953] [drm] PCIE GART of 1024M enabled (table at 0x000000000014C000). [ 4093.738076] radeon 0000:01:00.0: WB enabled [ 4093.738081] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff8801b0eb0c00 [ 4093.738084] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff8801b0eb0c0c [ 4093.738460] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x000000000005c418 and cpu addr 0xffffc9000181c418 [ 4093.755220] [drm] ring test on 0 succeeded in 1 usecs [ 4093.755229] [drm] ring test on 3 succeeded in 3 usecs [ 4093.932873] [drm] ring test on 5 succeeded in 1 usecs [ 4093.932878] [drm] UVD initialized successfully. [ 4093.951552] [drm] ib test on ring 0 succeeded in 0 usecs [ 4093.951589] [drm] ib test on ring 3 succeeded in 0 usecs [ 4095.109237] [drm] ib test on ring 5 succeeded ≈½ of lockups are leaving screen black, and require reboot. Attaching vs,gs,ps assembly, and R600_TRACE results from 2 different lockups. The 2 traces are identical except that 1-st one locks up at the start, and the other at the end. I've tried fixing it myself, but I have no slightest idea what to look at.
Created attachment 132215 [details] R600_TRACE lockup at start
Created attachment 132216 [details] R600_TRACE lockup at end
Some more info: for hard lockup SysRq and network stops working. I managed to get a trace for hard lockup using netconsole before network disappeared. An interesting part may be "Wait for MC idle timedout !" — I never saw it before. [ 3943.482116] radeon 0000:01:00.0: ring 0 stalled for more than 10030msec [ 3943.482135] radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000000026550 last fence id 0x000000000002657b on ring 0) [ 3943.482214] radeon 0000:01:00.0: failed to get a new IB (-35) [ 3943.482269] [drm:radeon_cs_ioctl [radeon]] *ERROR* Failed to get ib ! [ 3943.489601] radeon 0000:01:00.0: Saved 1474 dwords of commands on ring 0. [ 3943.489623] radeon 0000:01:00.0: GPU softreset: 0x0000009D [ 3943.489629] radeon 0000:01:00.0: GRBM_STATUS = 0xA0631CA0 [ 3943.489634] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x18000003 [ 3943.489639] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 3943.489644] radeon 0000:01:00.0: SRBM_STATUS = 0x200046C0 [ 3943.489649] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 3943.489654] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x01000000 [ 3943.489660] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00011000 [ 3943.489665] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00068402 [ 3943.489670] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80870243 [ 3943.489675] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x60C83146 [ 3943.497932] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B [ 3943.498011] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00108100 [ 3943.499187] radeon 0000:01:00.0: GRBM_STATUS = 0xC0003828 [ 3943.499196] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x80000007 [ 3943.499202] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 3943.499207] radeon 0000:01:00.0: SRBM_STATUS = 0x20000CC0 [ 3943.499212] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 3943.499218] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [ 3943.499223] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [ 3943.499228] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [ 3943.499233] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [ 3943.499239] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [ 3943.499261] radeon 0000:01:00.0: GPU reset succeeded, trying to resume [ 3943.499355] radeon 0000:01:00.0: GPU softreset: 0x00000001 [ 3943.499361] radeon 0000:01:00.0: GRBM_STATUS = 0xC0003828 [ 3943.499366] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x80000007 [ 3943.499371] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 3943.499376] radeon 0000:01:00.0: SRBM_STATUS = 0x20000CC0 [ 3943.499381] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 3943.499386] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [ 3943.499392] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [ 3943.499397] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [ 3943.499402] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [ 3943.499407] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [ 3943.880423] radeon 0000:01:00.0: Wait for MC idle timedout ! [ 3943.880432] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6A [ 3943.881600] radeon 0000:01:00.0: GRBM_STATUS = 0xC0003828 [ 3943.881603] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x80000007 [ 3943.881606] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [ 3943.881609] radeon 0000:01:00.0: SRBM_STATUS = 0x20000CC0 [ 3943.881612] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [ 3943.881615] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [ 3943.881618] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [ 3943.881621] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [ 3943.881625] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [ 3943.881628] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57
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