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Date:      Fri, 10 Feb 2017 13:41:26 -0500
From:      Shawn Webb <shawn.webb@hardenedbsd.org>
To:        freebsd-virtualization@freebsd.org
Subject:   Re: Unable to create OpenBSD 6.0 bhyve guest
Message-ID:  <3078780.Q0Erv8kLWO@hbsd-dev-laptop>
In-Reply-To: <20170210183519.43f76q3fcfqrgipw@scotland.uxdom.org>
References:  <20170210181513.vtnq3ph5vmk3sbi4@scotland.uxdom.org> <1757175.5Lz3SQ4xSy@hbsd-dev-laptop> <20170210183519.43f76q3fcfqrgipw@scotland.uxdom.org>

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[-- Attachment #1 --]
On Friday, 10 February 2017 06:35:19 PM C. L. Martinez wrote:
> On Fri, Feb 10, 2017 at 01:27:21PM -0500, Shawn Webb wrote:
> > On Friday, 10 February 2017 06:15:13 PM C. L. Martinez wrote:
> > > Hi all,
> > > 
> > >  I am trying to create an OpenBSD 6.0 virtual guest under FreeBSD 11
> > >  bhyve
> > > 
> > > server. When I try list cd contents, segmentation faults appears:
> > > 
> > > grub-bhyve -d /data/vms/conf/obsdfwwif -m device.map -r cd0 obsdfwwif
> > > 
> > >                                                                          
G
> > >                                                                          
N
> > >                                                                          
U
> > > 
> > > GRUB  version 2.00
> > > 
> > >    Minimal BASH-like line editing is supported. For the first word, TAB
> > > 
> > > lists possible command completions. Anywhere else TAB lists possible
> > > device
> > > or file completions.
> > > 
> > > 
> > > grub>ls
> > > Segmentation fault
> > 
> > Hey C.L. Martinez,
> > 
> > This is because grub-bhyve creates memory mappings that are both writable
> > and executable, something that is disallowed by default on HardenedBSD.
> > 
> > You'll need to add a secadm rule to disable pageexec and mprotect
> > restrictions for grub-bhyve. You can find a sample rule here:
> > 
> > https://github.com/HardenedBSD/secadm-rules/blob/master/grub-bhyve.rule
> > 
> > Thanks,
> 
> Thanks Shawn, but it is a FreeBSD-11 RELEASE test laptop :( .... But I am
> doing some tests with linux also, and it seems that it has some problem
> with memory according memtest says ...

Your kldstat output leads me to believe you're running HardenedBSD as the host 
OS (the addresses being 0x0).

What is the output of `uname -a`?

Thanks,

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

GPG Key ID:          0x6A84658F52456EEE
GPG Key Fingerprint: 2ABA B6BD EF6A F486 BE89  3D9E 6A84 658F 5245 6EEE
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