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Subject: Re: Boot hang: Sony VAIO
From: Jonathan Anderson <jonathan@FreeBSD.org>
In-Reply-To: <20150617170916.GC2080@kib.kiev.ua>
Date: Wed, 17 Jun 2015 15:09:16 -0230
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To: Konstantin Belousov <kostikbel@gmail.com>
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> On Jun 17, 2015, at 2:39 PM, Konstantin Belousov <kostikbel@gmail.com> =
wrote:
>=20
> On Wed, Jun 17, 2015 at 02:32:16PM -0230, Jonathan Anderson wrote:
>> The system boots the 11-CURRENT kernel in "safe mode" (not sure if =
it???s the kern.mp.disabled or kern.eventtimer.periodic that???s causing =
that), after which `dmesg -a` produces the following output:
>>=20
>> https://people.freebsd.org/~jonathan/vaio-acpi-dmar.txt
>=20
> Try a loader tunable hw.x2apic_enable=3D0.
> Your UP boot was successfull with x2APIC mode enabled and set, but =
there
> are rumors that some SandyBridge BIOSes are buggy.

That seems to fix it... thanks!

Is there a Wiki page somewhere for people to document these kinds of =
workarounds for particular configurations?


Jon
--
jonathan@FreeBSD.org=