[Bug 105235] shutdown gives a NMI and locks (nouveau?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105235

            Bug ID: 105235
           Summary: shutdown gives a NMI and locks (nouveau?)
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/other
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: conde.philippe at skynet.be

Created attachment 137579
  --> https://bugs.freedesktop.org/attachment.cgi?id=137579&action=edit
photo of ht ekernel panic messages/ NMI

Hello 
With all kernels 4.l5 when I start a shutdown with "shutdown -r now" from the
console (ALT-CRL-F1) I receive a kernel panic with a NMI.

System is a HP proliant ML350p with tumbleweed with default kernel.
System updated always with "zypper dup"

No message in logs found

Video is a Nvidia Quadro 4100m running with nouveau driver and two screens
last line on screen is 
nouveau:0000:0a:00.0 DRM: GPU Lockup _ switching to software fbcon

After some time (10-15 seconds) the system starts all fans at maximum speed.

I must then do a hard reset.
I attach here a screenshot with the kernel Panic (jpg)
Current kernel
Linux hpprol2 4.15.3-1-default #1 SMP PREEMPT Tue Feb 13 07:58:49 UTC 2018
(8d4f579) x86_64 x86_64 x86_64 GNU/Linux
Regards
Philippe

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