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Date:      Sun, 14 Jun 2020 17:03:14 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 247153] emulators/virtualbox-ose-kmod System crash on VM resume after system upgrade
Message-ID:  <bug-247153-227-l9Nt3uCSrG@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-247153-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-247153-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D247153

rkoberman@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |markj@FreeBSD.org

--- Comment #2 from rkoberman@gmail.com ---
I have now tracked the crash to r361350, "Provide separate accounting for
user-wired pages." Revert this commit and everything works. With this commi=
t,
the system crashes when I start my Windows7 VM. All backtraces are essentia=
lly
identical to the one in the initial report.

A bit more detail on the trigger. If the VM is in a "Saved" state, the crash
happens immediately after the image is loaded and started. If the VM is
"Powered off", the system boots up until it does its second window resize. =
The
initial window is the console window at 640x480. As soon as the system boot
starts, it resizes to 800x600 for the splash screen and the animated Wind7
logo. After a few seconds, it expands to the size I have set for the running
system, about 1480x816. At that time, the system panics.

Any ideas?Much as I hate to admit it, I do need my Windows system regularly.

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