[OpenAFS] "lost contact" after debian upgrade

[Derrick J Brashear]

On Sat, 30 Nov 2002, Friedrich Delgado Friedrichs wrote:

> Ok, i tried an unpatched 2.4.20 kernel now, which works fine and a
> 2.4.20 kernel with the preemption patch (same config, except for the
> preemption stuff). The vanilla kernel exhibited no problems while the
> kernel with the preemption patch exhibited the mentioned problem right
> away.

if you're feeling experimental, remove the configure test for
linux/completion.h, reconfigure, rebuild and try the result. if it works,
we know it's the new scheduling combined with something about our use of
kernel_thread(). if not, we need a new idea.

> Uhm, i don't understand much of the way the kernel scheduling, that
> preemption stuff and libafs works... could it be that the client
> thread is somehow "preempted" a little too long, which results in the
> timeout?