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Jason,
I find that the attached patch works wonders for me. This is
against 2.0.35pre16, but it should apply to somewhat earlier versions.
I think that this patch is in the queue for 2.0.37, but Alan did not
deem this bug serious enough for 2.0.36.
Philip
Jason Gunthorpe wrote:
>
> [Please CC, I'm not on the list]
>
> Hi,
>
> I'm seeing some strange behavoir with some rsync processes. They somehow
> manage to get their connection stuck in the CLOSE state and never die, I
> now have some that have been sitting around for almost two days! I
> discussed the matter with Andrew and there is some speculation that it may
> be some weird kernel problem, here are the details..
-- Philip Gladstone +1 781 530 2461 Raptor Systems / Axent Technologies Waltham, MA http://www.raptor.com/ --------------4C09EEA8054EEF81211A28B1 Content-Type: text/plain; charset=us-ascii; name="p2_select.rpf" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="p2_select.rpf"--- olinux/net/ipv4/tcp.c Wed Aug 5 13:58:44 1998 +++ linux/net/ipv4/tcp.c Wed Aug 5 13:51:45 1998 @@ -951,6 +951,7 @@ return 0; - if (sk->state == TCP_SYN_SENT || sk->state == TCP_SYN_RECV) - break; + /* Check do_tcp_sendmsg for this next line */ + if (sk->state != TCP_ESTABLISHED && sk->state != TCP_CLOSE_WAIT) + break; if (sk->wmem_alloc*2 > sk->sndbuf) break; return 1;
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