Re: [PATCH/RFC 0/4] dma ops and virtio

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On Wed, 4 Nov 2015 10:14:11 -0800
Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:

> On Wed, Nov 4, 2015 at 9:52 AM, Cornelia Huck <cornelia.huck@xxxxxxxxxx> wrote:
> > On Wed, 4 Nov 2015 15:29:23 +0100
> > Cornelia Huck <cornelia.huck@xxxxxxxxxx> wrote:
> >
> >> I'm currently suspecting some endianness issues, probably with the ecw
> >> accesses, which is why I'd be interested in your trace information (as
> >> I currently don't have a LE test setup at hand.)
> >
> > I think I've got it. We have sense_data as a byte array, which
> > implicitly makes it BE already. When we copy to the ecws while building
> > the irb, the data ends up in 32 bit values. The conversion from host
> > endianness to BE now treats them as LE on your system...
> >
> > Could you please give the following qemu patch a try?
> 
> Tested-by: Andy Lutomirski <luto@xxxxxxxxxx>
> 
> Now my test script panics for the right reason (init isn't actually an
> s390 binary).  Thanks!

Cool, thanks for testing! I'll get this into qemu as a proper patch.

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