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From: bugzilla-daemon@bugzilla.kernel.org
To: kvm@vger.kernel.org
Subject: [Bug 208767] kernel stack overflow due to Lazy update IOAPIC on an x86_64 *host*, when gpu is passthrough to macos guest vm
Date: Wed, 07 Oct 2020 22:45:49 +0000	[thread overview]
Message-ID: <bug-208767-28872-znY1iqrlt9@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-208767-28872@https.bugzilla.kernel.org/>

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

Alex Williamson (alex.williamson@redhat.com) changed:

           What    |Removed                     |Added
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                 CC|                            |alex.williamson@redhat.com

--- Comment #7 from Alex Williamson (alex.williamson@redhat.com) ---
(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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  parent reply	other threads:[~2020-10-07 22:45 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-02  9:01 [Bug 208767] New: kernel stack overflow due to Lazy update IOAPIC on an x86_64 *host*, when gpu is passthrough to macos guest vm bugzilla-daemon
2020-08-02  9:03 ` [Bug 208767] " bugzilla-daemon
2020-08-02  9:19 ` bugzilla-daemon
2020-08-02 10:36 ` bugzilla-daemon
2020-08-02 17:45 ` bugzilla-daemon
2020-08-03  9:43 ` bugzilla-daemon
2020-08-03 20:39 ` [Bug 208767] New: " Jim Mattson
2020-08-03 20:39 ` [Bug 208767] " bugzilla-daemon
2020-08-04  0:25 ` bugzilla-daemon
2020-08-06  9:02 ` bugzilla-daemon
2020-08-06  9:09 ` bugzilla-daemon
2020-10-07 22:45 ` bugzilla-daemon [this message]
2021-02-03 20:32 ` bugzilla-daemon
2022-04-29  3:14 ` bugzilla-daemon

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