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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@gem_exec_capture@capture-bs - incomplete - GEM_BUG_ON(buf[2 * head + 1] != port->context_id - kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:903!"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104450">104450</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@gem_exec_capture@capture-bs - incomplete - GEM_BUG_ON(buf[2 * head + 1] != port->context_id - kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:903!
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</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>marta.lofstedt@intel.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>
<p>
<div>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4103/shard-kbl7/igt@gem_exec_capture@capture-bsd.html">https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4103/shard-kbl7/igt@gem_exec_capture@capture-bsd.html</a>
from pstore:
<5>[ 61.743080] i915 0000:00:02.0: Resetting chip after gpu hang
<3>[ 61.744723] i915 0000:00:02.0: GPU recovery failed
<3>[ 61.760447] GEM_BUG_ON(buf[2 * head + 1] != port->context_id)
<4>[ 61.760508] ------------[ cut here ]------------
<2>[ 61.760512] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:903!
<4>[ 61.760555] invalid opcode: 0000 [#1] PREEMPT SMP
<0>[ 61.760566] Dumping ftrace buffer:
<0>[ 61.760575] ---------------------------------
<0>[ 61.760641] CPU:1 [LOST 155 EVENTS]
...
<4>[ 61.773445] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal
intel_powerclamp coretemp snd_hda_intel crct10dif_pclmul snd_hda_codec
crc32_pclmul e1000e snd_hwdep snd_hda_core ghash_clmulni_intel snd_pcm ptp
mei_me pps_core mei prime_numbers
<4>[ 61.773485] CPU: 0 PID: 1770 Comm: gem_exec_captur Tainted: G U W
4.15.0-rc4-CI-CI_DRM_3569+ #1
<4>[ 61.773494] Hardware name: /NUC7i5BNB, BIOS
BNKBL357.86A.0054.2017.1025.1822 10/25/2017
<4>[ 61.773519] RIP: 0010:execlists_submission_tasklet+0x446/0xd60 [i915]
<4>[ 61.773526] RSP: 0018:ffff88047ec03ea8 EFLAGS: 00010296
<4>[ 61.773532] RAX: 0000000000000031 RBX: 0000000000000018 RCX:
0000000000000102
<4>[ 61.773538] RDX: 0000000080000102 RSI: ffffffff81d1305f RDI:
00000000ffffffff
<4>[ 61.773545] RBP: ffff88047ec03f20 R08: ffff88046583d940 R09:
0000000054510a74
<4>[ 61.773552] R10: 000000000000000c R11: 0000000000000000 R12:
ffff880464bf0010
<4>[ 61.773558] R13: ffff8804627b104c R14: 0000000000000001 R15:
ffff880464bf0008
<4>[ 61.773565] FS: 00007facc36978c0(0000) GS:ffff88047ec00000(0000)
knlGS:0000000000000000
<4>[ 61.773573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 61.773579] CR2: 000055d5ded5a130 CR3: 0000000465718002 CR4:
00000000003606f0
<4>[ 61.773585] Call Trace:
<4>[ 61.773590] <IRQ>
<4>[ 61.773598] tasklet_hi_action+0x89/0x110
<4>[ 61.773606] __do_softirq+0xc1/0x4aa
<4>[ 61.773612] irq_exit+0xa4/0xb0
<4>[ 61.773617] do_IRQ+0x67/0x120
<4>[ 61.773622] common_interrupt+0x93/0x93
<4>[ 61.773626] </IRQ>
<4>[ 61.773630] RIP: 0010:_raw_spin_unlock_irqrestore+0x4e/0x60
<4>[ 61.773636] RSP: 0018:ffffc900006c3b58 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffffd6
<4>[ 61.773644] RAX: ffff88046583d040 RBX: 0000000000000246 RCX:
0000000000000006
<4>[ 61.773651] RDX: 0000000000001432 RSI: ffffffff81d070c9 RDI:
ffffffff81cb860e
<4>[ 61.773658] RBP: ffff8804605480b0 R08: ffff88046583d940 R09:
0000000054510a74
<4>[ 61.773665] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffffffa027da0c
<4>[ 61.773671] R13: ffff880464a876a0 R14: ffff8804603d6fd8 R15:
ffff880464a876a0
<4>[ 61.773682] __irq_put_desc_unlock+0x13/0x40
<4>[ 61.773688] enable_irq+0x42/0x60
<4>[ 61.773707] i915_reset+0xcd/0x270 [i915]
<4>[ 61.773727] i915_reset_device+0x1cb/0x230 [i915]
<4>[ 61.773747] ? gen8_gt_irq_ack+0x160/0x160 [i915]
<4>[ 61.773755] ? work_on_cpu_safe+0x50/0x50
<4>[ 61.773775] i915_handle_error+0x2d3/0x430 [i915]
<4>[ 61.773784] ? __might_fault+0x39/0x90
<4>[ 61.773790] ? __might_fault+0x39/0x90
<4>[ 61.773812] i915_wedged_set+0x79/0xc0 [i915]
<4>[ 61.773819] simple_attr_write+0xab/0xc0
<4>[ 61.773826] full_proxy_write+0x4b/0x70
<4>[ 61.773831] __vfs_write+0x1e/0x130
<4>[ 61.773837] ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 61.773842] ? rcu_sync_lockdep_assert+0x25/0x50
<4>[ 61.773848] ? __sb_start_write+0xd9/0x1f0
<4>[ 61.773853] ? __sb_start_write+0xf3/0x1f0
<4>[ 61.773858] vfs_write+0xbd/0x1b0
<4>[ 61.773863] SyS_write+0x40/0xa0
<4>[ 61.773869] entry_SYSCALL_64_fastpath+0x1c/0x89
<4>[ 61.773874] RIP: 0033:0x7facc1e7d670
<4>[ 61.773878] RSP: 002b:00007ffe9d109dc8 EFLAGS: 00000246 ORIG_RAX:
0000000000000001
<4>[ 61.773886] RAX: ffffffffffffffda RBX: 0000000000000002 RCX:
00007facc1e7d670
<4>[ 61.773893] RDX: 0000000000000002 RSI: 000055559360254e RDI:
0000000000000007
<4>[ 61.773899] RBP: 0000000000000001 R08: 000055559510fed0 R09:
0000000000000000
<4>[ 61.773906] R10: 0000000000000000 R11: 0000000000000246 R12:
00007facc375d000
<4>[ 61.773913] R13: 0000000000000009 R14: 00007facc375c000 R15:
0000000000000003
<4>[ 61.773922] Code: 41 0f ba b7 40 04 00 00 01 44 3b 75 d0 0f 85 f0 fc ff
ff e9 fa fe ff ff 48 c7 c6 40 f4 29 a0 48 c7 c7 5e 3d 28 a0 e8 cf b0 f2 e0 <0f>
0b 4c 8d ab 60 15 00 00 4c 89 5d b0 4c 89 ef e8 65 e1 6f e1
<1>[ 61.773996] RIP: execlists_submission_tasklet+0x446</pre>
</div>
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