Re: "Aiee: scheduling in interrupt 00111dd2" problem

Foo Chun Choong (ccfoo@hawk.ee.nus.edu.sg)
Fri, 18 Dec 1998 14:06:36 +0800 (SGT)


Am I right to say that the locking structures are mainly used to prevent
race conditions. Why does the kernel hang when some of these are broken?

8-) CCFoo

On Thu, 17 Dec 1998, Rik van Riel wrote:

> On Thu, 17 Dec 1998, Foo Chun Choong wrote:
>
> > After modifying some networking code in Linux 2.0.34, I
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > occasionally get this message "Aiee: scheduling in interrupt
> > 00111dd2" and then the kernel hangs. What are the possible causes
> > of this problem, and what are the ways to solve this problem?
>
> Well, I guess you already gave the answer :))
>
> You probably broke some locking structures or something
> like that -- it's very well possible that 2.0.36 has the
> stuff you 'fixed' included in a proper way -- you might
> want to check that out.
>
> As you've experienced yourself, kernel code can be very
> complex -- not something to do a quick hack on as an
> already-busy sysadmin or whatever...
>
> cheers,
>
> Rik -- the flu hits, the flu hits, the flu hits -- MORE
> +-------------------------------------------------------------------+
> | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl |
> | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ |
> +-------------------------------------------------------------------+
>
>

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