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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP]igt@kms_flip@2x-flip-vs-suspend - dmesg-warn - WARNING: CPU: \d PID: \d+ at drivers/misc/mei/hbm.c:\d+ mei_hbm_dispatch\+.*"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112358">112358</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI][DRMTIP]igt@kms_flip@2x-flip-vs-suspend - dmesg-warn - WARNING: CPU: \d PID: \d+ at drivers/misc/mei/hbm.c:\d+ mei_hbm_dispatch\+.*
</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>not set
</td>
</tr>
<tr>
<th>Priority</th>
<td>not set
</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>lakshminarayana.vudum@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/drmtip_405/fi-skl-6700k2/igt@kms_flip@2x-flip-vs-suspend.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_405/fi-skl-6700k2/igt@kms_flip@2x-flip-vs-suspend.html</a>
<4> [397.344430] hbm: wrong command 0
<4> [397.344456] WARNING: CPU: 1 PID: 2893 at drivers/misc/mei/hbm.c:1358
mei_hbm_dispatch+0xc5/0xe20 [mei]
<4> [397.344457] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp i915 x86_pkg_temp_thermal
coretemp snd_hda_intel snd_intel_dspcfg crct10dif_pclmul snd_hda_codec
crc32_pclmul snd_hwdep snd_hda_core ghash_clmulni_intel e1000e snd_pcm ptp
pps_core mei_me mei prime_numbers
<4> [397.344468] CPU: 1 PID: 2893 Comm: irq/130-mei_me Tainted: G U
5.4.0-rc7-g315d68345bfe-drmtip_405+ #1
<4> [397.344469] Hardware name: System manufacturer System Product Name/Z170
PRO GAMING, BIOS 0802 09/02/2015
<4> [397.344472] RIP: 0010:mei_hbm_dispatch+0xc5/0xe20 [mei]
<4> [397.344474] Code: 40 80 fe 11 0f 84 db 04 00 00 40 80 fe 81 0f 84 d5 01 00
00 40 80 fe 0f 0f 84 47 05 00 00 48 c7 c7 f6 61 1b c0 e8 eb 88 f0 dd <0f> 0b b8
b9 ff ff ff eb 8d 48 8b 33 48 c7 c2 a0 6e 1b c0 48 c7 c7
<4> [397.344475] RSP: 0018:ffffbcc7c1cf3d78 EFLAGS: 00010286
<4> [397.344477] RAX: 0000000000000000 RBX: ffffa1c803dfc018 RCX:
0000000000000001
<4> [397.344479] RDX: 0000000080000001 RSI: ffffa1c805d730d0 RDI:
00000000ffffffff
<4> [397.344480] RBP: ffffa1c803dfc3d8 R08: ffffa1c805d730d0 R09:
0000000000000000
<4> [397.344481] R10: ffffbcc7c1cf3e38 R11: 0000000000000000 R12:
ffffbcc7c1cf3e44
<4> [397.344483] R13: ffffa1c803dfc5d8 R14: ffffbcc7c1cf3e48 R15:
ffffa1c805d72840
<4> [397.344484] FS: 0000000000000000(0000) GS:ffffa1c80da80000(0000)
knlGS:0000000000000000
<4> [397.344485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [397.344486] CR2: 00007f4e3d176778 CR3: 00000001a6410003 CR4:
00000000003606e0
<4> [397.344488] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4> [397.344490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4> [397.344491] Call Trace:
<4> [397.344496] ? finish_task_switch+0x96/0x250
<4> [397.344503] mei_irq_read_handler+0x125/0x700 [mei]
<4> [397.344507] ? rcu_read_lock_sched_held+0x4d/0x80
<4> [397.344514] mei_me_irq_thread_handler+0x1fe/0x940 [mei_me]
<4> [397.344517] ? __schedule+0x2f9/0x810
<4> [397.344523] ? irq_forced_thread_fn+0x70/0x70
<4> [397.344526] irq_thread_fn+0x1c/0x60
<4> [397.344529] ? irq_thread+0x9c/0x1a0
<4> [397.344532] irq_thread+0x102/0x1a0
<4> [397.344535] ? wake_threads_waitq+0x30/0x30
<4> [397.344540] ? irq_thread_dtor+0x90/0x90
<4> [397.344542] kthread+0x119/0x130
<4> [397.344545] ? kthread_park+0x80/0x80
<4> [397.344549] ret_from_fork+0x3a/0x50
<4> [397.344559] irq event stamp: 258
<4> [397.344562] hardirqs last enabled at (257): [<ffffffff9e12fb75>]
vprintk_emit+0x315/0x340
<4> [397.344564] hardirqs last disabled at (258): [<ffffffff9e001c0a>]
trace_hardirqs_off_thunk+0x1a/0x20
<4> [397.344566] softirqs last enabled at (148): [<ffffffff9ee00385>]
__do_softirq+0x385/0x47f
<4> [397.344569] softirqs last disabled at (135): [<ffffffff9e0bcb0a>]
irq_exit+0xba/0xc0
<4> [397.344570] ---[ end trace 78e09b7a76e5d2e6 ]---</pre>
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