Re: kernel bug in sched.c

From: Andi Kleen (ak@suse.de)
Date: Tue Aug 01 2000 - 12:34:40 EST


On Tue, Aug 01, 2000 at 08:58:58AM -0700, George Anzinger wrote:
> For what its worth:
>
>
> In the 2.4.0-test2 tree the function plusb_bh() in
> ../drivers/usb/plusb.c calls schedule() and appears to be called as a
> bottom half from the "tq_secheduler". As I understand it this will
> cause the indicated symptoms. The source does not say, and I have no
> idea what plusb.c is used for, but it is in the usb directory.

tq_scheduler functions can schedule, but it is usually not a good idea
(because in case of a loop it'll kill your stack). It is also a bit unfair
to the scheduling.

-Andi

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