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Date:	Mon, 26 May 2008 22:41:40 +0200
From:	Ingo Molnar <>
To:	Ilpo J?rvinen <>
Cc:	LKML <>,
	Netdev <>,
	"David S. Miller" <>,
	"Rafael J. Wysocki" <>,
	Andrew Morton <>
Subject: Re: [bug] stuck localhost TCP connections, v2.6.26-rc3+

* Ingo Molnar <> wrote:

> > It's well possible that e.g., net namespaces have some bug in 
> > handling of orphaned tcp.
> yes, that would match the symptoms i think. I half-assumed that it's a 
> state machine problem so i didnt even check what the reader does - and 
> in this case it appears to not exist at all anymore ;-)

after ~7 hours of uptime the networking code produced this assertion:

 [25441.140000] KERNEL: assertion (!sk->sk_ack_backlog) failed at 
 net/ipv4/inet_connection_sock.c (642)

no further information in the logs. I kept the failing system booted up 
for 8 hours and will reboot it now.

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