On Sun, Mar 07, 2010 at 07:18:40PM +0200, Avi Kivity wrote:
>> The only things that stands out is this before the "read failed" message:
>> [pid  9098] lseek(12, 0, SEEK_END)      = 1321851815424
>> [pid  9121] pread(12, 0x7fa50a0e47d0, 2048, 0) = -1 EINVAL (Invalid  
>> argument)
>>
>
> The buffer is unaligned here, yet the file was opened with O_DIRECT  
> (cache=none).  This is strange, since alignment is not related to disk 
> size.

The other interesting thing is that it's using pread - which means
it's a too old kernel to use preadv and thus a not very well tested
codepath with current qemu.

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