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SubjectRe: SiS900: NULL pointer encountered in Rx ring, skipping
Dominik Karall wrote:
> After a few hours my network doesn't work on my laptop. There appear a lot of
> those messages:
>
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
> eth0: NULL pointer encountered in Rx ring, skipping
>
> It works again after restarting network. I'm using 2.6.8-rc2 now. It was the
> same problem in 2.6.7, but I didn't test it with earlier kernels.

A NULL appears when the machine is temporarily unable to allocate room
for a new skb. Your machine's atomic memory pools are getting too low...

Jeff



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