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SubjectRe: [PATCH] net: fix race in the receive/select
On Wed, Jul 01, 2009 at 04:31:44PM +0800, Herbert Xu wrote:
> On Wed, Jul 01, 2009 at 09:22:26AM +0200, Andi Kleen wrote:
> >
> > Agreed.
> >
> > I suspect the reordering of the wake queue tests might makes a difference, but
> > in this case to ensure they are always tested in the proper order by
> > the compiler would need more smp_rmb()s
>
> I just looked up the original bug report and it's against RHEL4
> which is a 2.6.9 kernel. Jiri, have we reproduced this on a more
> recent kernel?

no, only RHEL 4..

it is very hard to reproduce. I was succesfull once
on RHEL4 after 8 days, never on upstream though.

jirka

>
> Thanks,
> --
> Visit Openswan at http://www.openswan.org/
> Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt


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