[Bug 100663] mesa trunk breaks RS780

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 12 12:33:25 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=100663

            Bug ID: 100663
           Summary: mesa trunk breaks RS780
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: octoploid at yandex.com
        QA Contact: dri-devel at lists.freedesktop.org

I get frequent ring 0 stalls:
[    2.311046] [drm] radeon kernel modesetting enabled.
[    2.311245] [drm] initializing kernel modesetting (RS780 0x1002:0x9614
0x1043:0x834D 0x00).
[    2.311287] [drm] register mmio base: 0xFBEE0000
[    2.311345] [drm] register mmio size: 65536
[    2.311908] ATOM BIOS: 113
[    2.311960] radeon 0000:01:05.0: VRAM: 128M 0x00000000C0000000 -
0x00000000C7FFFFFF (128M used)
[    2.312013] radeon 0000:01:05.0: GTT: 512M 0x00000000A0000000 -
0x00000000BFFFFFFF
[    2.312054] [drm] Detected VRAM RAM=128M, BAR=128M
[    2.312093] [drm] RAM width 32bits DDR
[    2.312188] [TTM] Zone  kernel: Available graphics memory: 4079280 kiB
[    2.312228] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[    2.312266] [TTM] Initializing pool allocator
[    2.312308] [TTM] Initializing DMA pool allocator
[    2.312360] [drm] radeon: 128M of VRAM memory ready
[    2.312398] [drm] radeon: 512M of GTT memory ready.
[    2.312439] [drm] Loading RS780 Microcode
[    2.312481] [drm] radeon: power management initialized
[    2.312521] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    2.318502] [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000).
[    2.318587] radeon 0000:01:05.0: WB enabled
[    2.318626] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr
0x00000000a0000c00 and cpu addr 0xffff880215c61c00
[    2.318677] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    2.318715] [drm] Driver supports precise vblank timestamp query.
[    2.318753] radeon 0000:01:05.0: radeon: MSI limited to 32-bit
[    2.318804] [drm] radeon: irq initialized.
[    2.351053] [drm] ring test on 0 succeeded in 1 usecs
[    2.351374] [drm] ib test on ring 0 succeeded in 0 usecs
[    2.351560] [drm] Radeon Display Connectors
[    2.351597] [drm] Connector 0:
[    2.351635] [drm]   VGA-1
[    2.351672] [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c
0x7e4c
[    2.351710] [drm]   Encoders:
[    2.351747] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    2.351784] [drm] Connector 1:
[    2.351821] [drm]   DVI-D-1
[    2.351858] [drm]   HPD3
[    2.351896] [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c
0x7e5c
[    2.351934] [drm]   Encoders:
[    2.351971] [drm]     DFP3: INTERNAL_KLDSCP_LVTMA
[    2.397754] [drm] fb mappable at 0xF0141000
[    2.397793] [drm] vram apper at 0xF0000000
[    2.397830] [drm] size 8294400
[    2.397867] [drm] fb depth is 24
[    2.397904] [drm]    pitch is 7680
[    2.398000] fbcon: radeondrmfb (fb0) is primary device
[    2.443745] Console: switching to colour frame buffer device 135x120
[    2.451569] radeon 0000:01:05.0: fb0: radeondrmfb frame buffer device
[    2.451662] [drm] Initialized radeon 2.49.0 20080528 for 0000:01:05.0 on
minor 0
...
[   15.518878] random: crng init done
[  108.365295] radeon 0000:01:05.0: ring 0 stalled for more than 10483msec
[  108.365307] radeon 0000:01:05.0: GPU lockup (current fence id
0x0000000000000209 last fence id 0x000000000000020b on ring 0)
[  108.366380] radeon 0000:01:05.0: Saved 57 dwords of commands on ring 0.
[  108.366393] radeon 0000:01:05.0: GPU softreset: 0x00000009
[  108.366398] radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA2533030
[  108.366402] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000103
[  108.366407] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20000040
[  108.366410] radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  108.366414] radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00000002
[  108.366418] radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00008084
[  108.366421] radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80018645
[  108.366425] radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  108.418745] radeon 0000:01:05.0: R_008020_GRBM_SOFT_RESET=0x00007FEF
[  108.418800] radeon 0000:01:05.0: SRBM_SOFT_RESET=0x00000100
[  108.420907] radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA0003030
[  108.420911] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000003
[  108.420915] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20008040
[  108.420918] radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  108.420922] radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[  108.420925] radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[  108.420928] radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80100000
[  108.420932] radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  108.420939] radeon 0000:01:05.0: GPU reset succeeded, trying to resume
[  108.437117] [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000).
[  108.437153] radeon 0000:01:05.0: WB enabled
[  108.437155] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr
0x00000000a0000c00 and cpu addr 0xffff880215c61c00
[  108.469093] [drm] ring test on 0 succeeded in 1 usecs
[  108.478693] [drm] ib test on ring 0 succeeded in 0 usecs
[  119.005100] radeon 0000:01:05.0: ring 0 stalled for more than 10503msec
[  119.005112] radeon 0000:01:05.0: GPU lockup (current fence id
0x000000000000020d last fence id 0x000000000000020f on ring 0)
[  119.006160] radeon 0000:01:05.0: Saved 57 dwords of commands on ring 0.
[  119.006166] radeon 0000:01:05.0: GPU softreset: 0x00000009
[  119.006168] radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA2533030
[  119.006169] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000103
[  119.006170] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20001040
[  119.006171] radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  119.006172] radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00000002
[  119.006173] radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00008080
[  119.006175] radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80038645
[  119.006176] radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  119.071075] radeon 0000:01:05.0: R_008020_GRBM_SOFT_RESET=0x00007FEF
[  119.071127] radeon 0000:01:05.0: SRBM_SOFT_RESET=0x00000100
[  119.073231] radeon 0000:01:05.0:   R_008010_GRBM_STATUS      = 0xA0003030
[  119.073232] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2     = 0x00000003
[  119.073233] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS      = 0x20008040
[  119.073234] radeon 0000:01:05.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[  119.073235] radeon 0000:01:05.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[  119.073237] radeon 0000:01:05.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[  119.073238] radeon 0000:01:05.0:   R_008680_CP_STAT          = 0x80100000
[  119.073239] radeon 0000:01:05.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[  119.073243] radeon 0000:01:05.0: GPU reset succeeded, trying to resume
[  119.089455] [drm] PCIE GART of 512M enabled (table at 0x00000000C0040000).
[  119.089491] radeon 0000:01:05.0: WB enabled
[  119.089493] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr
0x00000000a0000c00 and cpu addr 0xffff880215c61c00
[  119.121425] [drm] ring test on 0 succeeded in 1 usecs
[  119.139238] [drm] ib test on ring 0 succeeded in 0 usecs

It worked fine with trunk from April 9th.

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