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SubjectRe: WARNING: at net/ipv4/tcp_input.c:3418
On 2012.03.06 at 00:46 -0500, Neal Cardwell wrote:
> On Wed, Feb 29, 2012 at 12:41 PM, Christian Kujau <lists@nerdbynature.de> wrote:
> > This is still happening with 3.3.0-rc5, .config & dmesg here:
> >
> >   http://nerdbynature.de/bits/3.3.0-rc4/ipv4/
>
> I was finally able to reproduce this issue where there are warnings
> about sacked_out going negative (since 3.3.0-rc4), and my testing
> shows that this patch seems to fix the issue:
>
> http://patchwork.ozlabs.org/patch/144844/
>
> For folks who were seeing this problem and are so inclined, feel free
> to try the latest 3.3-rc6 kernel (or davem's "net" tree in git, if
> that's easier) with that patch applied, and let me know how it goes.

Thanks for tracking this down, Neal.

In my case it looks like the issue was an "once in a lifetime" event.
So no amount of testing would prove anything.

--
Markus
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