Re: [Xen-devel] [PATCH] ioemu block device extent checks

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 4/3/08 10:16, "Kevin Wolf" <kwolf@xxxxxxx> wrote:

> Daniel P. Berrange schrieb:
>> FYI, this patch causes massive unrecoverable data loss / corruption on
>> QCow2 files. The checks themselves are OK in terms of the first level
>> of bdrv_* calls from the guest. The qcow driver though calls back into
>> the raw driver for performing I/O on its underlying file. The qcow
>> driver relies on this file being grow-on-demand for purposes of allocating
>> new qcow sectors. The safety checks cause this allocation to fail and
>> it all goes downhill from there :-(
> 
> I just hit this problem. What's the status?  If I understand correctly,
> you discussed two different solutions and as a result no fix at all got
> committed.

Current xen-unstable tip should have it fixed (by a combination of
changesets 17133 and 17177).

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel