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Date:      Sun, 20 Sep 2020 10:20:17 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Rainer Hurling <rhurlin@gwdg.de>, monochrome <monochrome@twcny.rr.com>, rhurlin@FreeBSD.org
Cc:        freebsd-current@freebsd.org
Subject:   Re: Fwd: Re: r365488 page faults on AMD Ryzen 9 3950X
Message-ID:  <b6d7aa27-948a-b820-76b9-1f91a1df0471@selasky.org>
In-Reply-To: <11d27d41-029a-d7f5-eccc-0ba3a3fcfe97@gwdg.de>
References:  <69ff9432-fc8f-b0ab-8ad2-8e3daa77f8e1@twcny.rr.com> <1a88773b-d2fa-a790-c7e2-868d3884ba8b@twcny.rr.com> <865D6BF0-9F1E-4125-81D3-FB9A369FED8D@gwdg.de> <88af31d4-9ed9-172a-d48f-1780f19841e3@twcny.rr.com> <11d27d41-029a-d7f5-eccc-0ba3a3fcfe97@gwdg.de>

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On 2020-09-20 10:05, Rainer Hurling wrote:
> Hi monochrome,
> 
> back to keyboard, it tried newest CURRENT (r365920) on my box and even
> with newest sources the error occurs.
> 
> After looking around somewhat more, I found some hints about Virtualbox
> kernel module having problems with r365488. Unfortunately, I am not able
> to find the thread again :(
> 
> What seems to help as a workaround is to disable the loading of
> VirtualBox in /boot/loader.conf
> 
> #vboxdrv_load="YES"
> 
> and in /etc/rc.conf
> 
> #vboxnet_enable="YES"
> #vboxguest_enable="YES"
> 
> 
> So probably, this page fault is not restricted to AMD Ryzen?
> 

Possibly you need to rebuild that kernel module. Maybe the FreeBSD 
version was not bumped correctly.

--HPS




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