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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - mesa trunk breaks RS780"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100663">100663</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>mesa trunk breaks RS780
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/Gallium/r600
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>octoploid@yandex.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>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.</pre>
</div>
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