Re: [Qemu-devel] [Qemu-block] Migration sometimes fails with IDE and Qemu 2.2.1

[Paolo Bonzini]

On 07/04/2015 17:11, Peter Lieven wrote:
> > I'm not sure at what kernel version the switch is, but newer kernels use 
> > some
> > code shared with the newer SATA world (libata?)  where as older kernels had
> > separate IDE code, so the behaviour of the two can be quite different.
>
> Thats a good point. I will check what the kernels have.
> I remember that there was sth like a problem with error handling in
> the old drivers? Paolo, you worked a lot on IDE lately. Do you remember?

No, I don't know...  I didn't work a lot on IDE, those patches were all
several years old and finally John shepherded them in. :)

Still, what David says is correct.  At least RHEL5's 2.6.18 defaulted to
the old IDE drivers (/dev/hdXNN).

Paolo