linux-kernel - Re: ipv4: warnings on sk_wmem

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Message-ID: <20130904002150.GA14033@dcvr.yhbt.net>
Date:	Wed, 4 Sep 2013 00:21:50 +0000
From:	Eric Wong <normalperson@...t.net>
To:	dormando <dormando@...ia.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: ipv4: warnings on sk_wmem_queued

dormando <dormando@...ia.net> wrote:
> > I noticed these warnings on stock 3.10.9 running stress tests on
> > cmogstored.git (git://bogomips.org/cmogstored.git) doing standard
> > HTTP server stuff between lo and tmpfs:
> >
> [...]
> > I was going to reboot into 3.10.10 before I looked at dmesg.  These
> > warnings happened after ~8 hours of stress tests, and those stress tests
> > are still running.
> 
> I had a kernel panic this morning on a production machine, also running
> 3.10.9. I only got a small part of the end of the trace, but it matches:

I haven't managed to hit any kernel panic nor my original warning again
after all these days of constant 20+ GB/s lo traffic.  I'll finally
reboot into 3.10.10 now.  dmesg has been completely quiet since the warning
and the machine is still running well.

> (also: hi Eric!)

Hi dormando!
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