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

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On Sun, Mar 07, 2010 at 07:30:06PM +0200, Avi Kivity wrote:
> It may also be that glibc is emulating preadv, incorrectly.

I've done a quick audit of all pathes leading to pread and all seem
to align correctly.  So either a broken glibc emulation or something
else outside the block layer seems likely.

> Antoine, can you check this?  ltrace may help, or run 'strings libc.so |  
> grep pread'.

Or just add an

#undef CONFIG_PREADV

just before the first

#ifdef CONFIG_PREADV

in posix-aio-compat.c and see if that works.

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