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<b><a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - SynMark CSDof misrenders with "i965/surface_state: Get the aux usage from the miptree code""
href="https://bugs.freedesktop.org/show_bug.cgi?id=102289#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_VERIFIED bz_closed"
title="VERIFIED FIXED - SynMark CSDof misrenders with "i965/surface_state: Get the aux usage from the miptree code""
href="https://bugs.freedesktop.org/show_bug.cgi?id=102289">bug 102289</a>
from <span class="vcard"><a class="email" href="mailto:topi.pohjolainen@intel.com" title="Topi Pohjolainen <topi.pohjolainen@intel.com>"> <span class="fn">Topi Pohjolainen</span></a>
</span></b>
<pre>I'll give it a go.
Meanwhile I'll note here some of my findings. First hang I got was actually in
blit ring (coming from readpixels()). I simply made the actual blit a no-op to
see if I get similar hangs I saw with HSW.
What I got looks very different, seems that batchbuffer contains garbage
(0x423303d0 doesn't look like valid op-code at all):
batchbuffer (render ring (submitted by testfw_app [3096])) at 0x1aa4b000
0x1aa4b000: 0x423303d0: 2D UNKNOWN
0x1aa4b004: 0xc2a90ba2: UNKNOWN
0x1aa4b008: 0x43164f2a: 2D UNKNOWN
0x1aa4b00c: 0x43168086: 2D UNKNOWN
0x1aa4b010: 0x423303d0: 2D UNKNOWN
0x1aa4b014: 0xc2a90ba2: UNKNOWN
0x1aa4b018: 0x43164f2a: 2D UNKNOWN
0x1aa4b01c: 0x43168086: 2D UNKNOWN
0x1aa4b020: 0x42393ff0: 2D UNKNOWN
0x1aa4b024: 0xc2b2caae: UNKNOWN
0x1aa4b028: 0x43199be2: 2D UNKNOWN
0x1aa4b02c: 0x4319cd34: 2D UNKNOWN
0x1aa4b030: 0x42393ff0: 2D UNKNOWN
0x1aa4b034: 0xc2b2caae: UNKNOWN
0x1aa4b038: 0x43199be2: 2D UNKNOWN
0x1aa4b03c: 0x4319cd34: 2D UNKNOWN
0x1aa4b040: 0x422f8890: 2D UNKNOWN
0x1aa4b044: 0xc2a6efdd: UNKNOWN
0x1aa4b048: 0x43189bbb: 2D UNKNOWN
0x1aa4b04c: 0x4318cd10: 2D UNKNOWN
0x1aa4b050: 0x422f8890: 2D UNKNOWN
0x1aa4b054: 0xc2a6efdd: UNKNOWN
0x1aa4b058: 0x43189bbb: 2D UNKNOWN
0x1aa4b05c: 0x4318cd10: 2D UNKNOWN
0x1aa4b060: 0xc1208f4b: UNKNOWN
0x1aa4b064: 0xc132a236: UNKNOWN
0x1aa4b068: 0x431b235e: 2D UNKNOWN
0x1aa4b06c: 0x431b54aa: 2D UNKNOWN
0x1aa4b070: 0x00000000: MI_NOOP
0x1aa4b074: 0x7a000003: PIPE_CONTROL</pre>
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