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Re: kern/55406 (NVMM panic on qemu start on intel)
On Tue, Jun 23, 2020 at 05:15:02PM +0000, Maxime Villard wrote:
> Le 23/06/2020 à 19:07, nia a écrit :
> > On Tue, Jun 23, 2020 at 04:11:00PM +0000, maxv%NetBSD.org@localhost 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.
Can NVMM refuse to run on a system that has been resumed until this is fixed?
This would at least help avoid accidental unclean shutdowns.
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