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From: Jes Sorensen <jes@sgi.com>
To: kvm-ia64@vger.kernel.org
Subject: Re: TARGET_PAGE_BITS
Date: Fri, 12 Sep 2008 14:08:17 +0000	[thread overview]
Message-ID: <yq0abedihim.fsf@jaguar.mkp.net> (raw)
In-Reply-To: <48C939E2.7060802@calindasoftware.com>

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>>>>> "Alex" = Alex Williamson <alex.williamson@hp.com> writes:

Alex> On Thu, 2008-09-11 at 17:31 +0200, Sébastien Bassompierre
Alex> wrote:
>> I'm trying to use KVM (74) on an ia64 server with the kernel 2.6.26
>> as recommanded. Everything is ok about compilation, installation.
>> But, when i'm trying to boot a guest, i got this error : Error!
>> Host page size != qemu target page size, you may need to change
>> TARGET_PAGE_BITS in qemu!host page size:0x4000.  I looked for how
>> to change this value, i find qemu/target-ia64/cpu.h but i imagine
>> that isn't the right place.  Any idea ?

Alex> That's where I changed it in my local build tree and it works.
Alex> The default appears to be set to match upstream Linux/ia64
Alex> defconfig, which uses 64k pages.  I don't know why we don't
Alex> detect this automatically at build time.

Actually doing a build time setting of host page size in qemu is
broken, it should be reworked to call getpagesize() but thats probably
going to be a bit more work :-(

Cheers,
Jes

      parent reply	other threads:[~2008-09-12 14:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-11 15:31 TARGET_PAGE_BITS 
2008-09-11 16:13 ` TARGET_PAGE_BITS Alex Williamson
2008-09-12 14:08 ` Jes Sorensen [this message]

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