Re: [Qemu-devel] [PATCH] bdrv_flush error handling

[Paul Brook <paul@codesourcery.com>]

> > Finally, it would perhaps be best if the block device emulators wrote
> > to the qemu console to complain if they give write errors.  Otherwise
> > the errno value and other important information will be lost, which
> > makes debugging hard.
>
> If by 'qemu console' you mean stderr, then fine, but please don't
> spew log messages to the  monitor console, because that'll make it
> very hard to interact with reliably from management tools.

Actually I think a better default would be for qemu to die right there and 
then.  If the host is getting IO errors then something is badly wrong, and 
you're probably screwed anyway.

Paul