From: Avi Kivity <avi@redhat.com>
To: Alex Williamson <alex.williamson@hp.com>
Cc: kvm-devel <kvm@vger.kernel.org>, gleb@redhat.com
Subject: Re: Re: [PATCH 0/5] bios: >4G updates
Date: Tue, 30 Sep 2008 16:31:30 +0300 [thread overview]
Message-ID: <48E22A32.7060007@redhat.com> (raw)
In-Reply-To: <48DFA094.6040208@redhat.com>
Avi Kivity wrote:
>
> I tried to merge it, but it the new bios won't boot. I traced this to
> ata_reset: it toggles the soft reset bit in the command register and
> expects to see the busy bit set, but the ide device model returns zero
> status if the selected device has no drive.
>
> No idea if the device model or the bios is wrong.
>
> If anyone (hi Gleb) wants to take a look, it's in the branch
> bios-merge on git.kernel.org.
>
> btw, commenting this out leads to boot failure as well, but that may
> be related.
>
Okay, I think I have it -- the bios code was using .org to set certain
entry points to well known addresses, and one code section overflowed
due to enabling the cache, which is a kvm addition. Moving that bit
out-of-line allows the bios to boot.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2008-09-30 13:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-23 16:41 [PATCH 0/5] bios: >4G updates Alex Williamson
2008-09-24 11:07 ` Avi Kivity
2008-09-24 16:17 ` Alex Williamson
2008-09-25 16:08 ` Alex Williamson
2008-09-28 15:19 ` Avi Kivity
2008-09-30 13:31 ` Avi Kivity [this message]
2008-09-30 16:46 ` Avi Kivity
2008-09-30 21:19 ` Alex Williamson
2008-10-02 12:33 ` Avi Kivity
2008-10-12 22:50 ` Kevin O'Connor
2008-10-13 6:45 ` Gleb Natapov
2008-10-14 15:29 ` Avi Kivity
2008-10-14 16:00 ` Anthony Liguori
2008-10-14 16:17 ` Avi Kivity
2008-10-14 16:21 ` Glauber Costa
2008-10-15 0:41 ` Kevin O'Connor
2008-10-15 17:46 ` Avi Kivity
2008-10-16 0:31 ` Kevin O'Connor
2008-10-13 16:33 ` Alex Williamson
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