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Re: kern/55406 (NVMM panic on qemu start on intel)

The following reply was made to PR kern/55406; it has been noted by GNATS.

From: Maxime Villard <>
To: nia <>, <>
Cc: <>, <>,
Subject: Re: kern/55406 (NVMM panic on qemu start on intel)
Date: Tue, 23 Jun 2020 19:10:25 +0200

 Le 23/06/2020 à 19:07, nia a écrit :
 > On Tue, Jun 23, 2020 at 04:11:00PM +0000, wrote:
 >> Did you suspend your host before launching the VM?
 > Probably, the host rarely gets powered off but does get suspended
 > every night.
 Well, that's where the problem comes from. I didn't put a sleep handler for
 NVMM, so when the CPU wakes up it can go crazy.
 In fact, it can go crazy for many other reasons, because many x86 states
 are not restored properly at wake-up time.
 For now I wouldn't recommend using sleep states at all.

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