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SubjectRe: panics with 16port Promise Supertrack EX Controller
On Mon, 16 Jul 2007 00:51:55 +0200 Flavio Curti wrote:

> Hello
>
> On Mon, Jul 09, 2007 at 11:59:36AM +1000, Nick Piggin wrote:
> > >Jul 8 00:19:13 dorade.cyberlink.ch EFLAGS: 00210046
> > >(2.6.22-rc7-dorade #1)
> > >>The machine panics
> > >>after some days of running fine, the machine inst heavy loaded.
> > >>The Controller detects as stex device:
> > >kernel BUG at block/as-iosched.c:1084!
> > >
> > >BUG_ON(RB_EMPTY_ROOT(&ad->sort_list[REQ_ASYNC]));
> > Could be a bug in the driver that just happens to be caught by AS checks.
> > If you could test another scheduler (boot with elevator=deadline or
> > elevator=cfq),
> > it might help give us an idea.
>
> Ok, I now switched to cfg, and the machine panicd again. Panic attached.
> Any help is appreciated.

Make sure that you switched to "cfq" and not "cfg".

---
~Randy
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