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Date:	Sat, 14 Jul 2012 19:09:53 +0200
From:	Johannes Truschnigg <>
To:	Willy Tarreau <>
Cc:	Eric Dumazet <>,
	Hillf Danton <>,,
	Linux-Netdev <>
Subject: Re: PROBLEM: Silent data corruption when using sendfile()

On Sat, Jul 14, 2012 at 03:15:40PM +0200, Willy Tarreau wrote:
> On Sat, Jul 14, 2012 at 01:06:07PM +0200, Eric Dumazet wrote:
> [...]
> > Hmmm, this is supposed to fix a bug introduced in 3.4, no ?
> > 
> > So 3.3 kernel should work well ?
> You're right indeed. So maybe it's not the same bug. Or maybe Johannes
> was affected by two different bugs in both versions, since Thorsten's
> report seems to point the finger at the same bug.
> Johannes, are you certain that you were having the exact same issue
> with 3.3 ?

I still have the Linux 3.3-series kernel image around that I _think_ I first
saw the problem occur with. I'll try to reproduce the problem with that
kernel, but I cannot promise that results will be ready before Tuesday. I'll
keep you posted!

with best regards:
- Johannes Truschnigg ( )

phone: +43 650 2 133337

Please do not bother me with HTML-email or attachments. Thank you.

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