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Re: TCP connections stuck in TCP_CLOSING

daemon@ATHENA.MIT.EDU (Alan Cox)
Wed Jan 24 10:32:30 1996

From: iialan@iifeak.swan.ac.uk (Alan Cox)
To: wieger@cal44a034.student.utwente.nl (Wieger Opmeer)
Date: 	Tue, 23 Jan 1996 14:01:55 +0000 (GMT)
Cc: linux-net@vger.rutgers.edu
In-Reply-To: <Pine.LNX.3.91.960122225501.11015A-100000@Cal44A034.student.utwente.nl> from "Wieger Opmeer" at Jan 22, 96 11:26:27 pm

> have verified in /proc/net/tcp that the state is 0x0B. These entries have
> been there for about 90 days now, the uptime of the machine is 98 days. The
> machines on the other side are up and running, according to ping. I have
> studied the kernel sources to find out what causes this situation, but 
> don't understand enough of it to really know what is going on.
> So, I hope that you net-gurus will be able to answer the following 
> questions:
> - What is going on?
They got stuck
> - Is this a bug?
Yes
> - If so, has it been fixed in 1.3.x?
I think so.. though there are others.
> - I'm afraid these hanging connections cost valuable memory, is that 
> correct?

Probably only about 200 bytes each.

> - Is there any way to get rid of these, short of a reboot?
> (I'd hate destroying that uptime :-)

Alas not.

Alan



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