[Bug 81856] [HSW/BDW Bisected]HDMI hot plug cause system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81856

--- Comment #5 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #2)
> wierd it seems to be oopsing on the aux mutex not being there.
> 
> What HW configuration is this?

root at x-bdw05:~# lspci -nnn
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:1604] (rev 08)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:1616]
(rev 08)
00:03.0 Audio device [0403]: Intel Corporation Device [8086:160c] (rev 08)
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:9cb1] (rev 03)
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:9cba]
(rev 03)
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (3)
I218-LM [8086:15a2] (rev 03)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:9cc3] (rev 03)
00:1f.2 SATA controller [0106]: Intel Corporation Device [8086:9c83] (rev 03)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:9ca2] (rev 03)
00:1f.6 Signal processing controller [1180]: Intel Corporation Device
[8086:9ca4] (rev 03)
> 
> can I get a drm.debug=6 boot?
Please check the attachment "dmesg with drm.debug=0x6 "

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