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Re: [Qemu-devel] [PATCH] qtest: add a fuzz test to fdc-test

From: Blue Swirl
Subject: Re: [Qemu-devel] [PATCH] qtest: add a fuzz test to fdc-test
Date: Mon, 21 May 2012 17:33:09 +0000

On Mon, May 21, 2012 at 8:18 AM, Paolo Bonzini <address@hidden> wrote:
>> >> What do you mean by fixing? Turning them into DPRINTFs?
>> >
>> > Or trace events?
>> Yeah, you could turn all FLOPPY_DPRINTFs into trace events. But the
>> point here is that today it's a FLOPPY_ERROR, and except for register
>> fuzzing they report real problems with the emulation and not just
>> some debugging information. So I'm not sure if hiding them is really a
>> fix.
> It depends, "controller not ready for reading" is most likely just caused by
> fuzzing.  Most unimplemented commands are also invalid on real hardware too.

Yes, but a malevolent guest could issue the same commands if those
could cause problems to QEMU.

> Paolo

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