Feb 26 12:13:57 teacher-iMac wpa_supplicant[704]: wls1: CTRL-EVENT-SIGNAL-CHANGE above=0 signal=-71 noise=-95 txrate=300000
Feb 26 12:13:57 teacher-iMac kernel: [12403.753362] radeon 0000:01:00.0: ring 0 stalled for more than 10052msec
Feb 26 12:13:57 teacher-iMac kernel: [12403.753375] radeon 0000:01:00.0: GPU lockup (current fence id 0x000000000002c595 last fence id 0x000000000002c6a9 on ring 0)
Feb 26 12:13:57 teacher-iMac kernel: [12403.753396] radeon 0000:01:00.0: failed to get a new IB (-35)
Feb 26 12:13:57 teacher-iMac kernel: [12403.753404] radeon 0000:01:00.0: failed to get a new IB (-35)
Feb 26 12:13:57 teacher-iMac kernel: [12403.753401] [drm:radeon_cs_ib_fill [radeon]] *ERROR* Failed to get ib !
Feb 26 12:13:57 teacher-iMac kernel: [12403.753409] [drm:radeon_cs_ib_fill [radeon]] *ERROR* Failed to get ib !
Feb 26 12:14:03 teacher-iMac kernel: [12408.984260] radeon 0000:01:00.0: Saved 8854 dwords of commands on ring 0.
Feb 26 12:14:03 teacher-iMac kernel: [12408.984276] radeon 0000:01:00.0: GPU softreset: 0x00000019
Feb 26 12:14:03 teacher-iMac kernel: [12408.984278] radeon 0000:01:00.0: R_008010_GRBM_STATUS = 0xE53034A1
Feb 26 12:14:03 teacher-iMac kernel: [12408.984280] radeon 0000:01:00.0: R_008014_GRBM_STATUS2 = 0x00330002
Feb 26 12:14:03 teacher-iMac kernel: [12408.984282] radeon 0000:01:00.0: R_000E50_SRBM_STATUS = 0x200000C0
Feb 26 12:14:03 teacher-iMac kernel: [12408.984284] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x04000000
Feb 26 12:14:03 teacher-iMac kernel: [12408.984285] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00010002
Feb 26 12:14:03 teacher-iMac kernel: [12408.984287] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00008406
Feb 26 12:14:03 teacher-iMac kernel: [12408.984289] radeon 0000:01:00.0: R_008680_CP_STAT = 0x80818647
Feb 26 12:14:03 teacher-iMac kernel: [12408.984291] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57
Feb 26 12:14:03 teacher-iMac kernel: [12409.045752] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007F6B
Feb 26 12:14:03 teacher-iMac kernel: [12409.045811] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100
Feb 26 12:14:03 teacher-iMac kernel: [12409.047903] radeon 0000:01:00.0: R_008010_GRBM_STATUS = 0x00003028
Feb 26 12:14:03 teacher-iMac kernel: [12409.047908] radeon 0000:01:00.0: R_008014_GRBM_STATUS2 = 0x00000002
Feb 26 12:14:03 teacher-iMac kernel: [12409.047910] radeon 0000:01:00.0: R_000E50_SRBM_STATUS = 0x200000C0
Feb 26 12:14:03 teacher-iMac kernel: [12409.047912] radeon 0000:01:00.0: R_008674_CP_STALLED_STAT1 = 0x00000000
Feb 26 12:14:03 teacher-iMac kernel: [12409.047913] radeon 0000:01:00.0: R_008678_CP_STALLED_STAT2 = 0x00000000
Feb 26 12:14:03 teacher-iMac kernel: [12409.047915] radeon 0000:01:00.0: R_00867C_CP_BUSY_STAT = 0x00000000
Feb 26 12:14:03 teacher-iMac kernel: [12409.047917] radeon 0000:01:00.0: R_008680_CP_STAT = 0x00000000
Feb 26 12:14:03 teacher-iMac kernel: [12409.047918] radeon 0000:01:00.0: R_00D034_DMA_STATUS_REG = 0x44C83D57
Feb 26 12:14:03 teacher-iMac kernel: [12409.047927] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
Feb 26 12:14:03 teacher-iMac kernel: [12409.066656] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0