https://bugzilla.kernel.org/show_bug.cgi?id=94081 Bug ID: 94081 Summary: [radeon 3.18 regression] GPU reset recovery fails Product: Drivers Version: 2.5 Kernel Version: 3.18.x Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: jan.vesely@xxxxxxxxxxx Regression: No starting with kernel-3.18 (fedora version) fails to recover from OpenCL induced GPU loockup. reproducer: Run noise-hurl.xml OpenCL test in gegl library: [354672.707822] radeon 0000:01:00.0: ring 0 stalled for more than 10020msec on 3.17 (fedora again) I observe one or two display flashes, and full recovery. starting with 3.18 I see the flash, and the dispaly stays frozen. the task itself(gegl) stays in uninteruptible state Here are the relevant lines from dmesg on 3.18: [354672.707822] radeon 0000:01:00.0: ring 0 stalled for more than 10020msec [354672.707828] radeon 0000:01:00.0: GPU lockup (current fence id 0x00000000007778a3 last fence id 0x00000000007778b3 on ring 0) [354672.828879] radeon 0000:01:00.0: Saved 503 dwords of commands on ring 0. [354672.828898] radeon 0000:01:00.0: GPU softreset: 0x00000009 [354672.828900] radeon 0000:01:00.0: GRBM_STATUS = 0xA0433828 [354672.828902] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x08000007 [354672.828903] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [354672.828905] radeon 0000:01:00.0: SRBM_STATUS = 0x20000AC0 [354672.828907] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [354672.828908] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [354672.828910] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00018000 [354672.828912] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00010002 [354672.828913] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80038647 [354672.828915] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [354672.842214] radeon 0000:01:00.0: GRBM_SOFT_RESET=0x00007F6B [354672.842267] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100 [354672.843423] radeon 0000:01:00.0: GRBM_STATUS = 0x00003828 [354672.843425] radeon 0000:01:00.0: GRBM_STATUS_SE0 = 0x00000007 [354672.843426] radeon 0000:01:00.0: GRBM_STATUS_SE1 = 0x00000007 [354672.843428] radeon 0000:01:00.0: SRBM_STATUS = 0x200000C0 [354672.843429] radeon 0000:01:00.0: SRBM_STATUS2 = 0x00000000 [354672.843431] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000 [354672.843432] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000 [354672.843434] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000 [354672.843435] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000 [354672.843437] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57 [354672.843456] radeon 0000:01:00.0: GPU reset succeeded, trying to resume [354672.865723] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0 [354672.868296] [drm] PCIE GART of 1024M enabled (table at 0x0000000000274000). [354672.868388] radeon 0000:01:00.0: WB enabled [354672.868390] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xffff880401c54c00 [354672.868391] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xffff880401c54c0c [354672.869865] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x0000000000072118 and cpu addr 0xffffc900062b2118 [354672.886233] [drm] ring test on 0 succeeded in 3 usecs [354672.886244] [drm] ring test on 3 succeeded in 7 usecs [354673.063433] [drm] ring test on 5 succeeded in 2 usecs [354673.063441] [drm] UVD initialized successfully. [354673.187403] [drm] ib test on ring 0 succeeded in 0 usecs [354673.187432] [drm] ib test on ring 3 succeeded in 0 usecs -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
