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Date:      Sat, 13 Apr 2019 23:35:20 +0000
From:      bugzilla-noreply@freebsd.org
To:        vbox@FreeBSD.org
Subject:   [Bug 236917] emulators/virtualbox-ose: Sleeping thread owns a non-sleepable lock kernel panic
Message-ID:  <bug-236917-26505-dNICtTYzcA@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-236917-26505@https.bugs.freebsd.org/bugzilla/>
References:  <bug-236917-26505@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236917

--- Comment #1 from Derek Schrock <dereks@lifeofadishwasher.com> ---
Created attachment 203654
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D203654&action=
=3Dedit
Three set of panic backtraces

After upgrading to virtualbox-ose-5.2.26_4 today three panics in a row with
mildly different backtraces.  Disabling vboxheadless and starting vboxheadl=
ess
by hand did not panic the machine.

All panics were "Sleeping thread (tid X, pid Y) owns a non-sleepable lock"
All referencing VBoxDrvFreeBSDIOCtl and rtR0SemEventWait

Should this be reported to upsteam?

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