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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Aperture space rollback snafu"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106668">106668</a>
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<th>Summary</th>
<td>Aperture space rollback snafu
</td>
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<th>Product</th>
<td>Mesa
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>Drivers/DRI/i965
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<th>Assignee</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>chris@chris-wilson.co.uk
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</tr>
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
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<p>
<div>
<pre>Since we may update context state as we compute the batch, that state is
preserved as we rollback the batch for a failed aperture check -- the
subsequent emission then skips the atoms as the context state is believed to
match requirements.
E.g. gen7_upload_urb().
Affects:
genX(blorp_exec)
brw_dispatch_compute_common
brw_draw_single_prim
The aperture rollback has been in place since
commit 3d851ae48865ac6a20a615e6e06d913c2265cda5
Author: Eric Anholt <<a href="mailto:eric@anholt.net">eric@anholt.net</a>>
Date: Sat Oct 22 09:37:57 2011 -0700
i965: Use the batch save/reset code to avoid needing the BO validate step.
7.10-branchpoint-6137-g3d851a!
The issue with believing global state for urb in particular seems to be from
commit d5e217dbfda2a87e149bdc8586c25143fc0ac183
Author: Jason Ekstrand <<a href="mailto:jason.ekstrand@intel.com">jason.ekstrand@intel.com</a>>
Date: Fri Aug 18 16:10:39 2017 -0700
i965: Stop looking at NewDriverState when emitting 3DSTATE_URB
I'm not sure if that's the only instance.</pre>
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</p>
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