Re: WARNING: at net/ipv4/tcp_input.c:2054 tcp_mark_head_lost()

["Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>]

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On Wed, 27 Feb 2008, Guillaume Chazarain wrote:

> On Wed, Feb 27, 2008 at 10:29 AM, Ilpo Järvinen 
> <ilpo.jarvinen@helsinki.fi> wrote:
> > I did in the past a debug patch
> >  that verifies TCP's write queue state by the hard way, ie., by 
> >  bruteforce
> >  walking often enough to catch inconsistencies early enough to find 
> >  out
> >  the root cause.
> 
> Are you talking about this one:
> http://marc.info/?l=linux-netdev&m=119482084511178 ?
> I attached a forward port to current git.

No, I'd much more complete set of tests than in that one.

> I am using this patch, and caught this maybe related error while 
> Bittorrenting:
>
> KERNEL: assertion (packets <= tp->packets_out) failed at
> /home/g/linux-2.6/net/ipv4/tcp_input.c (2145)
> KERNEL: assertion (packets <= tp->packets_out) failed at
> /home/g/linux-2.6/net/ipv4/tcp_input.c (2145)
> ------------[ cut here ]------------
> WARNING: at /home/g/linux-2.6/net/ipv4/tcp_input.c:2515
> tcp_fastretrans_alert+0xa5/0xa4f()

You seem to be good in catching these... :-)


-- 
 i.