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SubjectRe: 2.5.69, IDE TCQ can't be enabled
On Tue, May 13 2003, Jens Axboe wrote:
> On Tue, May 13 2003, Jeff Garzik wrote:
> > On Tue, May 13, 2003 at 08:03:34PM +0200, Jens Axboe wrote:
> > > On Tue, May 13 2003, Dave Jones wrote:
> > > > On Tue, May 13, 2003 at 08:40:59AM +0200, Jens Axboe wrote:
> > > > > > Weird. Mine doesn't seem to assert it, nor does the identify page
> > > > > > indicate it's supported. Maybe I have a broken drive firmware.
> > > > >
> > > > > Then the linux code won't work on it, have you tried? I've tried a lot
> > > > > of different IBM models, they all do service interrupts just fine.
> > > >
> > > > bug in the firmware version on Jeffs drives perhaps ?
> > >
> > > It's possible, it would help a lot of Jeff would answer the question
> > > above and maybe even share what drive he is using with us.
> >
> > hehe, just did (answer: no). I'll post hdparm -I for it tomorrow.
>
> :) thanks! fwiw, I've tried DTLA, DPTA, and the IC vancouvers here.

btw, you may want to see the IDE_TCQ_FIDDLE_SI define in ide-tcq, here's
the comment I put there:

/*
* we are leaving the SERVICE interrupt alone, IBM drives have it
* on per default and it can't be turned off. Doesn't matter, this
* is the sane config.
*/
#undef IDE_TCQ_FIDDLE_SI
Are you sure this isn't what you are seeing?

--
Jens Axboe

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