From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: Slow boot with 2.6.37-rc4
Date: Wed, 01 Dec 2010 00:31:12 -0800
Message-ID: <4CF607D0.7070409@goop.org>
References: <alpine.LFD.2.00.1011302351250.14788@vega4.dur.ac.uk>
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To: M A Young <m.a.young@durham.ac.uk>
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On 11/30/2010 03:59 PM, M A Young wrote:
> I have been testing 2.6.37 kernels as a xen dom0 both with and without
> patches from xen/next-2.6.37 and I get a long pause with a blank
> screen before anthing seems to happen. I am attaching the kernel boot
> log. There seem to be a few pauses, the first is followed by
>
> [   37.619375] ata1.00: qc timeout (cmd 0x27)
> [   37.619393] ata1.00: failed to read native max address (err_mask=0x4)
> [   37.619400] ata1.00: HPA support seems broken, skipping HPA handling

That's your primary HDD?  Does it work properly once it gets past this?
What kind of controller is it attached to?  What does /proc/interrupts
look like?

Thanks,
    J