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Date: Sun, 07 Jun 2009 12:38:39 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: [Qemu-devel] Re: [PATCH] kvm: Improve upgrade notes when facing
	unsupported kernels
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To: Jan Kiszka <jan.kiszka@web.de>
Cc: Blue Swirl <blauwirbel@gmail.com>, =?ISO-8859-15?Q?Andreas_F=E4?=@gnu.org, =?ISO-8859-15?Q?rber?= <andreas.faerber@web.de>, qemu-devel <qemu-devel@nongnu.org>

Jan Kiszka wrote:
> Users complained that it is not obvious what to do when kvm refuses to
> build or run due to an unsupported host kernel, so let's improve the
> hints.
>
> diff --git a/configure b/configure
> index 42d46f2..8ccb58c 100755
> --- a/configure
> +++ b/configure
> @@ -1158,7 +1158,9 @@ EOF
>  	| grep "error: " \
>  	| awk -F "error: " '{if (NR>1) printf(", "); printf("%s",$2);}'`
>        if test "$kvmerr" != "" ; then
> -        kvm="no - (${kvmerr})"
> +        kvm="no - (${kvmerr})\n\
> +    NOTE: To enable KVM support, update your kernel to 2.6.29+ or install \
> +recent kvm-kmod from http://sourceforge.net/projects/kvm."
>        fi
>   

Installing kvm-mod is insufficient, you need the headers from somewhere.


-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.