[Bug 109165] New: [CI] igt at vgem_basic@mmap - dmesg-warn - kernel BUG at drivers/misc/mei/hbm.c:1274!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109165

            Bug ID: 109165
           Summary: [CI] igt at vgem_basic@mmap - dmesg-warn - kernel BUG at
                    drivers/misc/mei/hbm.c:1274!
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5339/fi-snb-2520m/igt@vgem_basic@mmap.html

<4> [452.793647] ------------[ cut here ]------------
<2> [452.793654] kernel BUG at drivers/misc/mei/hbm.c:1274!
<4> [452.793709] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [452.793731] CPU: 1 PID: 2897 Comm: irq/25-mei_me Tainted: G     U         
  4.20.0-rc7-CI-CI_DRM_5339+ #1
<4> [452.793760] Hardware name: LENOVO 42962WU/42962WU, BIOS 8DET76WW (1.46 )
06/21/2018
<4> [452.793794] RIP: 0010:mei_hbm_dispatch+0xaf/0xc70 [mei]
<4> [452.793814] Code: 00 00 76 42 3c 86 0f 84 a4 05 00 00 0f 86 aa 00 00 00 3c
8a 0f 84 0b 04 00 00 3c 90 0f 84 b8 03 00 00 3c 87 0f 84 53 04 00 00 <0f> 0b 48
8b 33 48 c7 c2 78 1d 05 a0 48 c7 c7 10 9d 05 a0 e8 69 7b
<4> [452.793864] RSP: 0018:ffffc90000fbfdb0 EFLAGS: 00010297
<4> [452.793884] RAX: 0000000000000000 RBX: ffff888111e06800 RCX:
0000000000000002
<4> [452.793905] RDX: ffffc90000175004 RSI: ffffc90000175004 RDI:
000000008006060c
<4> [452.793927] RBP: ffff888111e06bc0 R08: 0000000019105275 R09:
0000000000000001
<4> [452.793949] R10: ffffc90000fbfe38 R11: ffff888111e06938 R12:
ffffc90000fbfe44
<4> [452.793971] R13: ffff888111e06dc0 R14: ffffc90000fbfe48 R15:
ffff8881156127c0
<4> [452.793994] FS:  0000000000000000(0000) GS:ffff88811a040000(0000)
knlGS:0000000000000000
<4> [452.794020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [452.794039] CR2: 00007fd3f53ae900 CR3: 0000000002210006 CR4:
00000000000606e0
<4> [452.794062] Call Trace:
<4> [452.794087]  mei_irq_read_handler+0x2c2/0x640 [mei]
<4> [452.794113]  ? rcu_read_lock_sched_held+0x6f/0x80
<4> [452.794137]  mei_me_irq_thread_handler+0x3af/0x960 [mei_me]
<4> [452.794163]  ? __schedule+0x36c/0xb50
<4> [452.794185]  ? irq_forced_thread_fn+0x70/0x70
<4> [452.794205]  irq_thread_fn+0x1c/0x60
<4> [452.794224]  ? irq_thread+0xa6/0x1e0
<4> [452.794241]  irq_thread+0x10d/0x1e0
<4> [452.794261]  ? irq_thread_check_affinity.part.4+0x70/0x70
<4> [452.794284]  ? irq_thread_dtor+0xb0/0xb0
<4> [452.794304]  kthread+0x119/0x130
<4> [452.794320]  ? kthread_park+0x80/0x80
<4> [452.794341]  ret_from_fork+0x3a/0x50
<4> [452.794363] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_generic i915 btusb btrtl btbcm btintel bluetooth ecdh_generic
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core x86_pkg_temp_thermal mei_me
coretemp e1000e snd_pcm mei crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
prime_numbers lpc_ich i2c_i801

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