Re: 2.6.19-rc5: known regressions

From: Jens Axboe
Date: Wed Nov 08 2006 - 15:17:47 EST


On Wed, Nov 08 2006, Arjan van de Ven wrote:
> > Wonderful! So this is an INQUIRY command, yet the WRITE bit is set. The
> > drive gets really confused about that, for good reason. The question is
> > where that write bit comes from, it looks really odd. Additionally, we
>
> it could be a userspace command; some userspace tools send inquiry via
> sg...

it is a userspace command, it originates from SG_IO. So that is a given.
The question is where the write bit comes from, I'd be puzzled if the
user app sets it - cdparanoia in this case. Seeing as there's other
request mangling, I hope the new debug patch can shed some light on
that.

--
Jens Axboe

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