Comment # 12
on bug 91375
from hkiang01@gmail.com
Also experiencing this bug on a fresh install of Ubuntu 17.10. I'm using a Radeon HD 7850. harry@harry-ubuntu:~$ uname -a Linux harry-ubuntu 4.13.0-16-generic #19-Ubuntu SMP Wed Oct 11 18:35:14 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux harry@harry-ubuntu:~$ dmesg | egrep 'drm|radeon' [ 0.801726] [drm] radeon kernel modesetting enabled. [ 0.805265] fb: switching to radeondrmfb from VESA VGA [ 0.805474] [drm] initializing kernel modesetting (PITCAIRN 0x1002:0x6819 0x174B:0xE218 0x00). [ 0.805569] radeon 0000:08:00.0: VRAM: 2048M 0x0000000000000000 - 0x000000007FFFFFFF (2048M used) [ 0.805570] radeon 0000:08:00.0: GTT: 2048M 0x0000000080000000 - 0x00000000FFFFFFFF [ 0.805573] [drm] Detected VRAM RAM=2048M, BAR=256M [ 0.805573] [drm] RAM width 256bits DDR [ 0.805638] [drm] radeon: 2048M of VRAM memory ready [ 0.805638] [drm] radeon: 2048M of GTT memory ready. [ 0.805644] [drm] Loading pitcairn Microcode [ 0.805719] [drm] Internal thermal controller with fan control [ 0.805751] [drm] probing gen 2 caps for device 8086:151 = 261a103/e [ 0.812955] [drm] radeon: dpm initialized [ 0.816286] [drm] Found VCE firmware/feedback version 50.0.1 / 17! [ 0.816292] [drm] GART: num cpu pages 524288, num gpu pages 524288 [ 0.817432] [drm] probing gen 2 caps for device 8086:151 = 261a103/e [ 0.817435] [drm] PCIE gen 3 link speeds already enabled [ 0.823221] [drm] PCIE GART of 2048M enabled (table at 0x00000000001D6000). [ 0.823328] radeon 0000:08:00.0: WB enabled [ 0.823330] radeon 0000:08:00.0: fence driver on ring 0 use gpu addr 0x0000000080000c00 and cpu addr 0xffff9f7a09864c00 [ 0.823331] radeon 0000:08:00.0: fence driver on ring 1 use gpu addr 0x0000000080000c04 and cpu addr 0xffff9f7a09864c04 [ 0.823332] radeon 0000:08:00.0: fence driver on ring 2 use gpu addr 0x0000000080000c08 and cpu addr 0xffff9f7a09864c08 [ 0.823332] radeon 0000:08:00.0: fence driver on ring 3 use gpu addr 0x0000000080000c0c and cpu addr 0xffff9f7a09864c0c [ 0.823333] radeon 0000:08:00.0: fence driver on ring 4 use gpu addr 0x0000000080000c10 and cpu addr 0xffff9f7a09864c10 [ 0.823648] radeon 0000:08:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xffffb467c1635a18 [ 0.843640] radeon 0000:08:00.0: fence driver on ring 6 use gpu addr 0x0000000080000c18 and cpu addr 0xffff9f7a09864c18 [ 0.843641] radeon 0000:08:00.0: fence driver on ring 7 use gpu addr 0x0000000080000c1c and cpu addr 0xffff9f7a09864c1c [ 0.843647] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 0.843647] [drm] Driver supports precise vblank timestamp query. [ 0.843648] radeon 0000:08:00.0: radeon: MSI limited to 32-bit [ 0.843676] radeon 0000:08:00.0: radeon: using MSI. [ 0.843696] [drm] radeon: irq initialized. [ 0.998252] [drm] ring test on 0 succeeded in 4 usecs [ 0.998255] [drm] ring test on 1 succeeded in 1 usecs [ 0.998258] [drm] ring test on 2 succeeded in 1 usecs [ 0.998267] [drm] ring test on 3 succeeded in 6 usecs [ 0.998274] [drm] ring test on 4 succeeded in 5 usecs [ 1.173960] [drm] ring test on 5 succeeded in 2 usecs [ 1.173964] [drm] UVD initialized successfully. [ 1.283164] [drm] ring test on 6 succeeded in 29 usecs [ 1.283174] [drm] ring test on 7 succeeded in 3 usecs [ 1.283175] [drm] VCE initialized successfully. [ 1.283357] [drm] ib test on ring 0 succeeded in 0 usecs [ 1.283409] [drm] ib test on ring 1 succeeded in 0 usecs [ 1.283461] [drm] ib test on ring 2 succeeded in 0 usecs [ 1.283504] [drm] ib test on ring 3 succeeded in 0 usecs [ 1.283545] [drm] ib test on ring 4 succeeded in 0 usecs [ 1.952142] [drm] ib test on ring 5 succeeded [ 2.464166] [drm] ib test on ring 6 succeeded [ 2.976121] [drm] ib test on ring 7 succeeded [ 2.977065] [drm] Radeon Display Connectors [ 2.977065] [drm] Connector 0: [ 2.977065] [drm] DP-1 [ 2.977066] [drm] HPD4 [ 2.977067] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c 0x653c [ 2.977067] [drm] Encoders: [ 2.977067] [drm] DFP1: INTERNAL_UNIPHY2 [ 2.977068] [drm] Connector 1: [ 2.977068] [drm] DP-2 [ 2.977068] [drm] HPD5 [ 2.977069] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c 0x654c [ 2.977069] [drm] Encoders: [ 2.977069] [drm] DFP2: INTERNAL_UNIPHY2 [ 2.977070] [drm] Connector 2: [ 2.977070] [drm] HDMI-A-1 [ 2.977070] [drm] HPD1 [ 2.977071] [drm] DDC: 0x6550 0x6550 0x6554 0x6554 0x6558 0x6558 0x655c 0x655c [ 2.977071] [drm] Encoders: [ 2.977071] [drm] DFP3: INTERNAL_UNIPHY1 [ 2.977071] [drm] Connector 3: [ 2.977072] [drm] DVI-I-1 [ 2.977072] [drm] HPD6 [ 2.977073] [drm] DDC: 0x6580 0x6580 0x6584 0x6584 0x6588 0x6588 0x658c 0x658c [ 2.977073] [drm] Encoders: [ 2.977073] [drm] DFP4: INTERNAL_UNIPHY [ 2.977073] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 3.153644] [drm] fb mappable at 0xE05D8000 [ 3.153645] [drm] vram apper at 0xE0000000 [ 3.153645] [drm] size 8294400 [ 3.153645] [drm] fb depth is 24 [ 3.153646] [drm] pitch is 7680 [ 3.153682] fbcon: radeondrmfb (fb0) is primary device [ 3.153747] radeon 0000:08:00.0: fb0: radeondrmfb frame buffer device [ 3.168057] [drm] Initialized radeon 2.50.0 20080528 for 0000:08:00.0 on minor 0 [ 3.182342] [drm] amdgpu kernel modesetting enabled. [ 888.873960] [drm:si_dpm_set_power_state [radeon]] *ERROR* si_restrict_performance_levels_before_switch failed harry@harry-ubuntu:~$ lspci -nn | grep -E 'VGA|Display' 08:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850 / R7 265 / R9 270 1024SP] [1002:6819] harry@harry-ubuntu:~$
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