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Date:      Thu, 16 Apr 2020 12:24:25 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 168298] VirtualBox using AIO on a zvol crashes
Message-ID:  <bug-168298-27103-8uNVGwn9vt@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-168298-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-168298-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D168298

--- Comment #23 from Steve Wills <swills@FreeBSD.org> ---
r324941

https://svnweb.freebsd.org/base?view=3Drevision&revision=3D324941

did adjust the default value of vfs.aio.max_aio_queue, but I'm not sure if
that's sufficient. Seems to me what's needed is either:

* someone to evaluate if that's sufficient and propose adjusting it if
appropriate

* a patch to VBox to make it cope with the lower default values

* a patch to disable AIO in VBox by default

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