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SubjectRe: Linux 2.6.25-rc4
From said:
> said:
>> I think we do want the bisect run here.
>> My worry is that this is likely very timing-sensitive, so when it starts
>> failing it might not be because of the commit that actually introduces the
>> bug, but because some other timing changed, but with some luck that won't
>> be the case.

> I'm on it. Slow machine. Household's router, 4000 versions to go...

The bisect came up with this:

18a056feccabdfa9764016a615121b194828bc72 is first bad commit
commit 18a056feccabdfa9764016a615121b194828bc72
Author: Bartlomiej Zolnierkiewicz <>
Date: Sat Jan 26 20:13:12 2008 +0100

ide: don't enable local IRQs for PIO-in in driver_cmd_intr() (take 2)

Don't enable local IRQs for PIO-in protocol in driver_cmd_intr().

While at it:

* Remove redundant rq->cmd_type check.

* Read status register after enabling local IRQs for no-data protocol.

* Re-add DRQ=1 check lost in v1 (noticed by Sergei).

Acked-by: Sergei Shtylyov <>
Signed-off-by: Bartlomiej Zolnierkiewicz <>

:040000 040000 5fb514a261b13494c5e9c035f9e7598276ce8839 0fda2eb7d96335061741d7f54ed3e05ca34ac5b8 M drivers

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