Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll

From: Ingo Molnar
Date: Tue Jul 17 2007 - 14:19:47 EST



* Olaf Kirch <olaf.kirch@xxxxxxxxxx> wrote:

> Hi Ingo,
>
> On Tuesday 17 July 2007 18:57, Ingo Molnar wrote:
> > i've done the patch below, but it did not change the timeouts nor did it
> > solve the 'no network' problem. netconsole output hung earlier as well.
> Hm, pity.
>
> To rule out any e1000 problem, can you try the the following please,
> both with HZ=250 and HZ=1000?

done, find the logs here:

http://redhat.com/~mingo/misc/100hz.log
http://redhat.com/~mingo/misc/1000hz.log

(one is HZ=100, the other HZ=1000. HZ=100 produces a hung network just
like HZ=250.)

no 'rx_sched set' messages in either case. Network still hung for
HZ=100, and is working for HZ=1000.

Ingo
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