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

From: Ingo Molnar
Date: Wed Jul 18 2007 - 12:44:44 EST



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

> > also, i'm using netconsole via the command line (both the network
> > driver and netconsole is built into the bzImage), maybe that makes a
> > difference?
>
> Possibly - but so far there's nothing in the code that jumped at me.
>
> Can you try the following please? I'm still pretty much in the dark;
> so I'm adding a bunch of printks. Let's hope this doesn't change the
> timing in a way that makes the bug disappear.

hm ... the box wouldnt even boot up because the 'keep on polling' and
'done' messages are scrolling across so fast. Perhaps every printk
triggers a packet which triggers another printk ... etc?

here's the 15MB log of it:

http://redhat.com/~mingo/misc/100hz.3.log.bz2

Ingo
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