Re: [Qemu-devel] Bugs in the VDI Block Device Driver

[Stefan Hajnoczi]

On Sat, Feb 19, 2011 at 12:27 PM, Chunqiang Tang <address@hidden> wrote:
> I applied FVD's fully automated testing tool to the VDI block device
> driver and found several bugs. Some bugs are easy to fix whereas others
> need some thoughts on design. Therefore, I thought you might be able to
> handle the bugs better than me. These bugs occur only if I/O errors or
> aio_cancel are injected, and hence are not that critical. If VDI is meant
> for read-only image format conversion, then these bugs are "ok". If write
> is enabled in VDI, these bugs may corrupt data. FVD's testing tool
> discovered these bugs because it automatically injects errors and race
> conditions, and performs exhaustive randomized tests. Below is a list of
> the bugs.

Thanks for this detailed list.  vdi is there for conversion and not a
high priority for me, but I have filed it as a bug so it is not
forgotten:

https://bugs.launchpad.net/qemu/+bug/721825

Stefan