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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 - gpu will hang arbitrarily and repeatedly (no 3d, just 2d)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98728">98728</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>gpu will hang arbitrarily and repeatedly (no 3d, just 2d)
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>nullity.research@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=127968" name="attach_127968" title="contents of /sys/class/drm/card0/error">attachment 127968</a> <a href="attachment.cgi?id=127968&action=edit" title="contents of /sys/class/drm/card0/error">[details]</a></span>
contents of /sys/class/drm/card0/error
Nov 14 22:02:50 zephyr kernel: [42515.310739] ------------[ cut here
]------------
Nov 14 22:02:50 zephyr kernel: [42515.310747] WARNING: CPU: 0 PID: 0 at
drivers/gpu/drm/i915/intel_lrc.c:506 execlists_check_remove_request+0x5e/0x120
Nov 14 22:02:50 zephyr kernel: [42515.310747] WARN_ON(!head_req ||
(head_req->ctx_hw_id != ctx_id))
Nov 14 22:02:50 zephyr kernel: [42515.310750] CPU: 0 PID: 0 Comm: swapper/0 Not
tainted 4.8.6-zephyr #20
Nov 14 22:02:50 zephyr kernel: [42515.310751] Hardware name: LENOVO
20BSCTO1WW/20BSCTO1WW, BIOS N14ET32W (1.10 ) 08/13/2015
Nov 14 22:02:50 zephyr kernel: [42515.310752] 0000000000000000
ffffffff813e49c8 ffff88024dc03e20 0000000000000000
Nov 14 22:02:50 zephyr kernel: [42515.310755] ffffffff8110b07f
ffff880243643b38 ffff88024dc03e70 ffff88024dc03ea8
Nov 14 22:02:50 zephyr kernel: [42515.310758] 0000000000000008
0000000000000000 ffff88024dc03ea8 ffffffff8110b0ea
Nov 14 22:02:50 zephyr kernel: [42515.310761] Call Trace:
Nov 14 22:02:50 zephyr kernel: [42515.310761] <IRQ> [<ffffffff813e49c8>] ?
dump_stack+0x46/0x5e
Nov 14 22:02:50 zephyr kernel: [42515.310769] [<ffffffff8110b07f>] ?
__warn+0xaf/0xd0
Nov 14 22:02:50 zephyr kernel: [42515.310771] [<ffffffff8110b0ea>] ?
warn_slowpath_fmt+0x4a/0x50
Nov 14 22:02:50 zephyr kernel: [42515.310773] [<ffffffff8153cd4e>] ?
execlists_check_remove_request+0x5e/0x120
Nov 14 22:02:50 zephyr kernel: [42515.310774] [<ffffffff8153d8f6>] ?
intel_lrc_irq_handler+0x166/0x270
Nov 14 22:02:50 zephyr kernel: [42515.310777] [<ffffffff8110eb7b>] ?
tasklet_action+0x4b/0xa0
Nov 14 22:02:50 zephyr kernel: [42515.310779] [<ffffffff8110ef07>] ?
__do_softirq+0xf7/0x200
Nov 14 22:02:50 zephyr kernel: [42515.310781] [<ffffffff8110f140>] ?
irq_exit+0x90/0xa0
Nov 14 22:02:50 zephyr kernel: [42515.310784] [<ffffffff8105a5ba>] ?
do_IRQ+0x4a/0xc0
Nov 14 22:02:50 zephyr kernel: [42515.310787] [<ffffffff8193b249>] ?
common_interrupt+0x89/0x89
Nov 14 22:02:50 zephyr kernel: [42515.310787] <EOI> [<ffffffff817118dd>] ?
cpuidle_enter_state+0x13d/0x1f0
Nov 14 22:02:50 zephyr kernel: [42515.310793] [<ffffffff817118d9>] ?
cpuidle_enter_state+0x139/0x1f0
Nov 14 22:02:50 zephyr kernel: [42515.310795] [<ffffffff8114032a>] ?
cpu_startup_entry+0x1ba/0x250
Nov 14 22:02:50 zephyr kernel: [42515.310798] [<ffffffff820c0ea6>] ?
start_kernel+0x38b/0x393
Nov 14 22:02:50 zephyr kernel: [42515.310800] ---[ end trace f2dd8b513381f3b4
]---</pre>
</div>
</p>
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