Re: Data corruption in guest using KVM

Avi Kivity
2007-07-22T17:34:37Z

Aurelien Jarno wrote:
> On Sun, Jul 22, 2007 at 04:46:19PM +0300, Avi Kivity wrote:
>
>> If you do happen to get a same-size corruption, that may tell us more.
>>
>>
>
> I have just got one same-size corruption building glibc 2.6 on
> GNU/kFreeBSD i386 (32-bit nonpae).
>
> One byte at address 0x9000 has been replaced by 0x00. Please find the
> good and the bad file attached.
>
>

Good. We have one or two cross-page-boundary bugs. The
corruption-chase branch already fixes one (which is much more likely to
be triggered by FreeBSD than Linux, if I understand the FreeBSD VM
correctly).

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