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Date:      Sun, 19 Apr 2020 19:35:55 -0400
From:      Shawn Webb <shawn.webb@hardenedbsd.org>
To:        Yuri Pankov <ypankov@fastmail.com>
Cc:        Conrad Meyer <cem@freebsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r359950 - head/usr.sbin/bhyve
Message-ID:  <20200419233453.msdnqagslgzadcya@mutt-hbsd>
In-Reply-To: <58b1d5e0-fa4d-6024-89e9-d8d40d3f7b25@fastmail.com>
References:  <202004150200.03F20I3H001953@repo.freebsd.org> <20200419224713.xaxvnuo334v6bhtj@mutt-hbsd> <CAG6CVpUkVPFJLE_4KsQ1-AUG2OATQY45WNu5Fq%2BJDhem0Gd2jQ@mail.gmail.com> <20200419231353.fkx5uwtqq7h7yolh@mutt-hbsd> <58b1d5e0-fa4d-6024-89e9-d8d40d3f7b25@fastmail.com>

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On Mon, Apr 20, 2020 at 02:32:23AM +0300, Yuri Pankov wrote:
> Shawn Webb wrote:
> > This is the full output from bhyve:
> >=20
> > fbuf frame buffer base: 0x69191a00000 [sz 16777216]
> > bhyve: bootrom_alloc: vm_mmap_mapseg: No space left on device
> > bhyve: vmgenc_init: bootrom_alloc
>=20
> I wonder if it's coincidence, and you really didn't have 16G to wire at t=
hat
> moment, and after reverting the commit it was there (reboot?) -- I was
> getting the same error well before this change when I had almost all of t=
he
> memory eaten by ZFS ARC, I was looking at r359949 as possible candidate, =
but
> limiting that memory hog did make the issue disappear.

Good thought, but this was on a fresh reboot on my laptop with 64GB
ECC RAM. At the time bhyve was started, I had 55GB memory free.

Thanks,

--=20
Shawn Webb
Cofounder / Security Engineer
HardenedBSD

GPG Key ID:          0xFF2E67A277F8E1FA
GPG Key Fingerprint: D206 BB45 15E0 9C49 0CF9  3633 C85B 0AF8 AB23 0FB2
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wn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc

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