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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW] vebox semaphores ignored"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65387">bug 65387</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>ASSIGNED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW] vebox semaphores ignored"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65387#c14">Comment # 14</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW] vebox semaphores ignored"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65387">bug 65387</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=65387#c12">comment #12</a>)
<span class="quote">> Please retest with Chris' tlb invalidation fix:
>
> <a href="https://patchwork.kernel.org/patch/2839512/">https://patchwork.kernel.org/patch/2839512/</a></span >
Test with this patch. System randomly hang.
output:
gem_seqno_wrap: gem_seqno_wrap.c:501: preset_run_once: Assertion
`write_seqno(1) == 0' failed.
gem_write:476 failed, ret=-1, errno=5
Call trace:
[ 192.720248] [<ffffffffa00a7e86>] ? i915_gem_reset+0xbd/0x224 [i915]
[ 192.721426] [<ffffffff8122c1b7>] ? kobject_uevent_env+0x3ec/0x413
[ 192.722594] [<ffffffffa00948b0>] ? i915_reset+0x36/0x1a6 [i915]
[ 192.723782] [<ffffffffa009938e>] ? i915_error_work_func+0xba/0x148 [i915]
[ 192.724954] [<ffffffff81045fb6>] ? process_one_work+0x1c1/0x2c8
[ 192.726126] [<ffffffff810441a3>] ? pwq_activate_delayed_work+0x23/0x2e
[ 192.727291] [<ffffffff81046502>] ? worker_thread+0x1d0/0x299
[ 192.728455] [<ffffffff81046332>] ? rescuer_thread+0x24e/0x24e
[ 192.729606] [<ffffffff8104b149>] ? kthread+0xad/0xb5
[ 192.730747] [<ffffffff8104b09c>] ? kthread_freezable_should_stop+0x46/0x46
[ 192.731911] [<ffffffff8145842c>] ? ret_from_fork+0x7c/0xb0
[ 192.733078] [<ffffffff8104b09c>] ? kthread_freezable_should_stop+0x46/0x46
[ 192.734223] Code: 48 8b 80 30 03 00 00 48 3b b0 20 22 00 00 48 8d 90 c8 1f
00 00 48 8d 41 a8 48 0f 44 f2 48 8d 97 a0 00 00 00 48 39 d1 75 15 0f 0b <48> 39
70 50 75 05 48 8b 40 30 c3 48 8b 40 58 48 83 e8 58 48 8d
[ 192.736800] RIP [<ffffffffa00a6962>] i915_gem_obj_offset+0x36/0x57 [i915]
[ 192.738029] RSP <ffff880241a79d00>
[ 192.739208] CR2: fffffffffffffff8
[ 192.740402] ---[ end trace 2840c64b8122deca ]---
[ 192.741650] BUG: unable to handle kernel paging request at ffffffffffffffd8</pre>
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