# PVE Host crashes with NMI on Guest reboot: Nvidia H100 PCIE GPU passthrough
Hello! This Is my first post in this forum, i hope it it satisfies the quality and level of specificity required for this place.
Unfortunately, i couldn't find a set of guidelines of what should / must be included in...
Error:
[Tue Nov 13 14:35:35 2018] Uhhuh. NMI received for unknown reason 21 on CPU 84.
[Tue Nov 13 14:35:35 2018] Do you have a strange power saving mode enabled?
[Tue Nov 13 14:35:35 2018] Dazed and confused, but trying to continue
Hardware:
CPU 2x AMD EPYC 7601 on Supermicro H11DST-B...
So I just upgraded to 5.0-23 tonight.
When I try to boot the system, I now receive this error:
[28.072000] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1]
The machine will keep spitting out variations of that error (only thing that changes is the timing. Instead of 23s it...
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