[Bug 208767] kernel stack overflow due to Lazy update IOAPIC on an x86_64 *host*, when gpu is passthrough to macos guest vm

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https://bugzilla.kernel.org/show_bug.cgi?id=208767

Carey Dalton (fivescarynightsgames@xxxxxxxxx) changed:

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                 CC|                            |fivescarynightsgames@gmail.
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--- Comment #9 from Carey Dalton (fivescarynightsgames@xxxxxxxxx) ---
I see, thanks, I've created a new issue:
https://bugzilla.kernel.org/show_bug.cgi?id=211853
https://friday-nightfunkin.com
(In reply to Alex Williamson from comment #7)
> (In reply to Paolo Bonzini from comment #1)
> > This should have been fixed by commit
> > 8be8f932e3db5fe4ed178b8892eeffeab530273a in Linux 5.7.
> 
> This is not fixed and it's not unique to a macos VM, a Linux guest can also
> reproduce this.  I've seen this both during PXE boot and during shutdown
> with certain NIC combinations (see rhbz1867373).  The only workaround is to
> disable acpiv (kvm_intel.enable_apicv=0).  Any suggestions, Paolo?

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