Re: raw disks no longer work in latest kvm (kvm-88 was fine)

[Avi Kivity <avi@redhat.com>]

On 03/07/2010 09:25 PM, Antoine Martin wrote:
> On 03/08/2010 02:17 AM, Avi Kivity wrote:
>> On 03/07/2010 09:13 PM, Antoine Martin wrote:
>>>> What version of glibc do you have installed?
>>>
>>> Latest stable:
>>> sys-devel/gcc-4.3.4
>>> sys-libs/glibc-2.10.1-r1
>>>
>>
>> $ git show glibc-2.10~108 | head
>> commit e109c6124fe121618e42ba882e2a0af6e97b8efc
>> Author: Ulrich Drepper <drepper@redhat.com>
>> Date:   Fri Apr 3 19:57:16 2009 +0000
>>
>>     * misc/Makefile (routines): Add preadv, preadv64, pwritev, 
>> pwritev64.
>>
>>         * misc/Versions: Export preadv, preadv64, pwritev, pwritev64 for
>>         GLIBC_2.10.
>>         * misc/sys/uio.h: Declare preadv, preadv64, pwritev, pwritev64.
>>         * sysdeps/unix/sysv/linux/kernel-features.h: Add entries for 
>> preadv
>>
>> You might get away with rebuilding glibc against the 2.6.33 headers.
>>
> The latest kernel headers available in gentoo (and they're masked 
> unstable):
> sys-kernel/linux-headers-2.6.32
>
> So I think I will just keep using Christoph's patch until .33 hits 
> portage.
> Unless there's any reason not to? I would rather keep my system "clean".
> I can try it though, if that helps you clear things up?

preadv/pwritev was actually introduced in 2.6.30.  Perhaps you last 
build glibc before that?  If so, a rebuild may be all that's necessary.

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