From: Meelis Roos <mroos@linux.ee>
To: Keith Packard <keithp@keithp.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
dri-devel@lists.freedesktop.org,
Linux Kernel list <linux-kernel@vger.kernel.org>,
Daniel Vetter <daniel@ffwll.ch>
Subject: Re: Bisected regression: hang on i915 between 3.1.0-rc9 and 3.1.0
Date: Wed, 23 Nov 2011 10:54:10 +0200 (EET) [thread overview]
Message-ID: <alpine.SOC.1.00.1111231053020.15939@math.ut.ee> (raw)
In-Reply-To: <86obw3e133.fsf@sumi.keithp.com>
> > Yes, VT-x and VT-d are both enabled from BIOS setup.
>
> Any reason for that? We've found all kinds of problems with DMAR enabled
> on these machines that is only resolved by completely turning it
> off. You might try with intel_iommu=off and make sure that's stable.
Well, there is reason for VT-x but actually none for VT-d because I am
not giving out any PCI devices to virtual machines. Will also test
witout it.
--
Meelis Roos (mroos@linux.ee)
next prev parent reply other threads:[~2011-11-23 8:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 10:15 Meelis Roos
2011-11-22 11:08 ` Meelis Roos
2011-11-22 17:56 ` Keith Packard
2011-11-23 7:28 ` Meelis Roos
2011-11-23 7:42 ` Keith Packard
2011-11-23 8:54 ` Meelis Roos [this message]
2011-11-29 8:08 ` Meelis Roos
2011-11-22 12:09 ` Daniel Vetter
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