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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] GPU HANG: ecode 7:0:0x85fffff8, reason: Ring hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91052#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB] GPU HANG: ecode 7:0:0x85fffff8, reason: Ring hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91052">bug 91052</a>
from <span class="vcard"><a class="email" href="mailto:yann.argotti@intel.com" title="yann <yann.argotti@intel.com>"> <span class="fn">yann</span></a>
</span></b>
<pre>(In reply to Markus Härer from <a href="show_bug.cgi?id=91052#c3">comment #3</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=116673" name="attach_116673" title="Archlinux /sys/class/drm/card0/error">attachment 116673</a> <a href="attachment.cgi?id=116673&action=edit" title="Archlinux /sys/class/drm/card0/error">[details]</a></span>
> Archlinux /sys/class/drm/card0/error</span >
Markus, your issue is different from Jiri's one. There were improvements pushed
in kernel and Mesa that will benefit to your system, so please re-test with
latest kernel & Mesa to see if this issue is still occurring.
>From this error dump, hung is happening in render ring batch with active head
at 0x037070f8, with 0x60020100 (CONSTANT_BUFFER) as IPEHR, which may require an
update of your mesa version.
Batch extract (around 0x037070f8):
0x037070dc: 0x78090003: 3DSTATE_VERTEX_ELEMENTS
0x037070e0: 0x04850000: buffer 0: valid, type 0x0085, src offset 0x0000
bytes
0x037070e4: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes
0x037070e8: 0x04850008: buffer 0: valid, type 0x0085, src offset 0x0008
bytes
0x037070ec: 0x11230000: (X, Y, 0.0, 1.0), dst offset 0x00 bytes
0x037070f0: 0x60020100: CONSTANT_BUFFER: valid
0x037070f4: 0x042af002: offset: 0x042af000, length: 192 bytes
0x037070f8: 0x7b009004: 3DPRIMITIVE: tri list random
0x037070fc: 0x00000006: vertex count
0x03707100: 0x00000000: start vertex
0x03707104: 0x00000001: instance count
0x03707108: 0x00000000: start instance
0x0370710c: 0x00000000: index bias</pre>
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