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Bug#742109: Acknowledgement (Soft lookup during port scan and IPTables log enabled)



On Fri, 2014-03-28 at 09:17 -0700, Don Armstrong wrote:
> On Fri, 28 Mar 2014, daniel.gassen@basf.com wrote:
> > any update on this bug report so far?
> > Do you need further information from us?
> 
> This looks awfully like
> https://bugzilla.kernel.org/show_bug.cgi?id=6816.
> 
> Presumably, you're writing the LOG requests to something (serial console
> or similar) which cannot keep up, and the printk blocks.
> 
> You should probably switch to using -j ULOG and ulogd instead of -j LOG.

Yes, logging network events to the console without rate-limiting is a
misconfiguration.  Combining that with a serial console would be a
particularly bad idea.  This is because the kernel logs synchronously, a
deliberate decision to ensure that all messages prior to a crash are
actually recorded.

Ben.

-- 
Ben Hutchings
Always try to do things in chronological order;
it's less confusing that way.

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