Re: 2.6.25-rc8: WARNING: at net/ipv4/tcp_input.c:2173tcp_mark_head_lost+0x11d/0x150()

[Ilpo Järvinen]

On Thu, 3 Apr 2008, Soeren Sonnenburg wrote:

> trying to download things, I am seeing this (ignore the tainted, it is
> from madwifi and although the module is loaded the device was never
> used)
> 
> Could anyone make sense of this please?

...I'm just trying to find out who and where invariants of the TCP code
are broken. These were relatively recently enabled (pre-2.6.24 just didn't 
care too much). A number of long standing issues plus bugs from my 
modifications have been fixed because of the more rigid checking :-).

> ------------[ cut here ]------------
> WARNING: at net/ipv4/tcp_input.c:2173 tcp_mark_head_lost+0x11d/0x150()

> ------------[ cut here ]------------
> WARNING: at net/ipv4/tcp_input.c:1771 tcp_enter_frto+0x267/0x270()

> ------------[ cut here ]------------
> WARNING: at net/ipv4/tcp_input.c:2532 tcp_ack+0x1a6f/0x1d60()

Can you reproduce it? 

Please include netdev next time while report networking related problems.


-- 
 i.


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