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Date:      Fri, 8 Jun 2018 02:51:07 +0200
From:      Mateusz Guzik <mjguzik@gmail.com>
To:        =?UTF-8?Q?Trond_Endrest=C3=B8l?= <Trond.Endrestol@fagskolen.gjovik.no>
Cc:        FreeBSD current <freebsd-current@freebsd.org>
Subject:   Re: r334533 renders head unbootable on XenServer 7.4
Message-ID:  <CAGudoHEia8tV8ZZx_pfGdswmhic02vy4rnr%2BGUqay1nX_r8YAA@mail.gmail.com>
In-Reply-To: <alpine.BSF.2.21.999.1806061834030.98415@mail.fig.ol.no>
References:  <alpine.BSF.2.21.999.1806061834030.98415@mail.fig.ol.no>

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On Wed, Jun 6, 2018 at 6:50 PM, Trond Endrest=C3=B8l <
Trond.Endrestol@fagskolen.gjovik.no> wrote:

> After trial and error, I found r334533 to be responsible for rendering
> head unbootable on XenServer 7.4. Neither of the two available
> XenServer patches has been applied on the host server.
>
> Normal and verbose boot messages stops non-deterministically at:
>
> hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
>
> Or at:
>
> granttable0: <Xen Grant-table Device> on xenpv0
>
> This is on a non-critical VM, but I think this issue should be
> resolved by the time stable/12 becomes available, or if stable/11
> will be impacted by a MFH of r334533 in the near future.
>
> The host server will be upgraded to XenServer 7.5 by the end of the
> week, in case that makes the issue go away.
>

Thanks for the report. Next time if you identify the culprit please cc:
the committer - not everyone watches mailing lists too closely.

I set it up on FreeBSD as dom0 and verified the problem exists.
I fixed it with the following:
https://svnweb.freebsd.org/changeset/base/334820

--=20
Mateusz Guzik <mjguzik gmail.com>



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