netdev - Re: scp stalls mysteriously

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Message-ID: <20091203223728.3d5efa74@houba>
Date:	Thu, 3 Dec 2009 22:37:28 +0100
From:	Frederic Leroy <fredo@...rox.org>
To:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
Cc:	Damian Lukowski <damian@....rwth-aachen.de>,
	Netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Greg KH <gregkh@...e.de>
Subject: Re: scp stalls mysteriously

Le Thu, 3 Dec 2009 22:36:53 +0200 (EET),
"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi> a écrit :
> however, annoying thing is that now we didn't get get the zero events
> logged :-). Can you please print them also in that branch. Also, I
> forgot previously that tp->frto_counter would be nice to know. And
> since there seems to be a need for yet another case, in order to
> solve the other problem related to fast retransmit, also tp->lost_out
> and tp->sacked_out would be nice to know.

.12 is online, including patch

I added the fields and moved the printk at the beginning of
retransmits_timed_out as sk is not modified in the function.

I'm preparing one test without the "|| !tp->retrans_stamp"

-- 
Frédéric Leroy
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