[Bug 26887] New: fence errors with rs785 and kernel 2.6.33

[bugzilla-daemon@freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26887

           Summary: fence errors with rs785 and kernel 2.6.33
           Product: DRI
           Version: DRI CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: marvin24@gmx.de


I'm getting fence errors on RS785 (radeon HD 4200) in dmesg and disabled dri
with vanilla 2.6.33. Error below and full dmesg attached.

[    6.179288] [drm] Initialized drm 1.1.0 20060810
[    6.647815] [drm] radeon defaulting to kernel modesetting.
[    6.656630] [drm] radeon kernel modesetting enabled.
[    6.665470] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18
[    6.674214] radeon 0000:01:05.0: setting latency timer to 64
[    6.675384] [drm] radeon: Initializing kernel modesetting.
[    6.692803] [drm] register mmio base: 0xFE9F0000
[    6.701275] [drm] register mmio size: 65536
[    6.709638] HDA Intel 0000:00:14.2: PCI INT A -> GSI 16 (level, low) -> IRQ
16
[    6.718524] ATOM BIOS: 113
[    6.726772] [drm] Clocks initialized !
[    6.736928] [drm] Detected VRAM RAM=128M, BAR=128M
[    6.737990] [drm] RAM width 32bits DDR
[    6.739095] [TTM] Zone  kernel: Available graphics memory: 2029616 kiB.
[    6.740164] [drm] radeon: 128M of VRAM memory ready
[    6.743646] [drm] radeon: 512M of GTT memory ready.
[    6.744714] [drm] radeon: irq initialized.
[    6.745728] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    6.747053] [drm] Loading RS780 Microcode
[    6.748054] platform radeon_cp.0: firmware: requesting radeon/RS780_pfp.bin
[    6.767394] hda-codec: No codec parser is available
[    6.788131]   alloc irq_desc for 20 on node 0
[    6.788133]   alloc kstat_irqs on node 0
[    6.788139] EMU10K1_Audigy 0000:03:05.0: PCI INT A -> GSI 20 (level, low) ->
IRQ 20
[    6.880352] platform radeon_cp.0: firmware: requesting radeon/RS780_me.bin
[    6.964294] platform radeon_cp.0: firmware: requesting radeon/R600_rlc.bin
[    7.059944] [drm] ring test succeeded in 1 usecs
[    7.061030] [drm] radeon: ib pool ready.
[    9.582117] [drm:radeon_fence_wait] *ERROR*
fence(ffff88011e2403c0:0x00000001) 510ms timeout going to reset GPU
[    9.583167] radeon 0000:01:05.0: GPU softreset 
[    9.584211] radeon 0000:01:05.0:   R_008010_GRBM_STATUS=0xA0003030
[    9.585249] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2=0x00000003
[    9.586278] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS=0x20002040
[    9.792461] radeon 0000:01:05.0: Wait for MC idle timedout !
[    9.793472] radeon 0000:01:05.0:   R_008020_GRBM_SOFT_RESET=0x00007FEE
[    9.794533] radeon 0000:01:05.0: R_008020_GRBM_SOFT_RESET=0x00000001
[    9.795584] radeon 0000:01:05.0:   R_000E60_SRBM_SOFT_RESET=0x00000C02
[    9.796726] radeon 0000:01:05.0:   R_008010_GRBM_STATUS=0x00003030
[    9.797704] radeon 0000:01:05.0:   R_008014_GRBM_STATUS2=0x00000003
[    9.798674] radeon 0000:01:05.0:   R_000E50_SRBM_STATUS=0x20000040
[    9.801112] [drm:radeon_fence_wait] *ERROR*
fence(ffff88011e2403c0:0x00000001) 739ms timeout
[    9.802083] [drm:radeon_fence_wait] *ERROR* last signaled fence(0x00000001)
[   10.008268] [drm:r600_ib_test] *ERROR* radeon: ib test failed
(sracth(0x8504)=0xCAFEDEAD)
[   10.009301] radeon 0000:01:05.0: IB test failed (-22).
[   10.010248] [drm] Enabling audio support
[   10.010428] [drm] Radeon Display Connectors
[   10.012283] [drm] Connector 0:
[   10.013201] [drm]   VGA
[   10.014107] [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c
0x7e4c
[   10.015027] [drm]   Encoders:
[   10.015932] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[   10.016849] [drm] Connector 1:
[   10.017756] [drm]   DVI-D
[   10.018655] [drm]   HPD1
[   10.019549] [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c
0x7e5c
[   10.020451] [drm]   Encoders:
[   10.021340] [drm]     DFP3: INTERNAL_KLDSCP_LVTMA
[   10.206070] [drm] fb mappable at 0xF0141000
[   10.206943] [drm] vram apper at 0xF0000000
[   10.207820] [drm] size 5242880
[   10.208682] [drm] fb depth is 24
[   10.209530] [drm]    pitch is 5120
[   10.210447] fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing
generic driver
[   10.211318] Console: switching to colour dummy device 80x25
[   10.211436] Console: switching to colour frame buffer device 160x64
[   10.217744] fb0: radeondrmfb frame buffer device
[   10.217768] registered panic notifier
[   10.217789] [drm] Initialized radeon 2.0.0 20080528 for 0000:01:05.0 on
minor 0


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