[Bug 212128] emulators/virtualbox-ose: Default AIO settings break VirtualBox

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212128

Joseph Mingrone <jrm at freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jrm at freebsd.org

--- Comment #5 from Joseph Mingrone <jrm at freebsd.org> ---
The sysctl aio tweaks improve the stability of VB running a Windows7 guest, but
heavy IO still caused a problem for me.  For example, I was able to get through
the Windows installation after making the sysctl changes, but later, during
installing of many Windows updates, Windows locks up and eventually a BSOD
appears with complaints about possible hardware issues.  This is running
virtualbox-ose-5.1.26 on 11.1-RELEASE-p1 amd64.

P.S. 30000 already is the default for vfs.aio.aiod_lifetime on all my systems
running 11.1.

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