Re: [PATCH] IDE TCQ #2

From: Jens Axboe (axboe@suse.de)
Date: Fri May 03 2002 - 12:01:18 EST


On Fri, May 03 2002, Sebastian Droege wrote:
> > Hmm strange, please send me your .config so I can see some more facts
> > about your setup.
>
> Attached at the bottom...

Thanks! BTW, after having reproduced, could you reproduce with preempt
disabled as well?

> > > ide_tcq_intr_timeout: timeout waiting for interrupt...
> > > ide_tcq_intr_timeout: hwgroup not busy
> >
> > We timed out waiting for an interrupt for service or dma completion.
> > Damn, I forgot to print which one. Please change that printk in
> > drivers/ide/ide-tcq.c:ide_tcq_intr_timeout() to:
> >
> > printk("ide_tcq_intr_timeout: timeout waiting for %s interrupt...\n",
> > hwgroup->rq ? "completion" : "service");
> >
> > and reproduce!
> Is this printk enough or should I handcopy the oops again? ;)

The oops is pretty irrelevant here, the fact that it triggers is enough
to know. I already know the backtrace :-)

> Yes this is possible... the oops is just hand copied...

Ah makes sense, no problem.

-- 
Jens Axboe

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