Re: PROBLEM: Silent data corruption when using sendfile()

From: Johannes Truschnigg
Date: Sat Jul 14 2012 - 13:14:25 EST


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 ( johannes@xxxxxxxxxxxxxxx )

www: http://johannes.truschnigg.info/
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