From: John Fastabend <john.r.fastabend@intel.com>
To: David Miller <davem@davemloft.net>
Cc: "markus@trippelsdorf.de" <markus@trippelsdorf.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: mpd client timeouts (bisected) 2.6.35-rc3
Date: Sun, 13 Jun 2010 01:05:27 -0700 [thread overview]
Message-ID: <4C149147.3080808@intel.com> (raw)
In-Reply-To: <20100612.145835.123986343.davem@davemloft.net>
David Miller wrote:
> From: Markus Trippelsdorf <markus@trippelsdorf.de>
> Date: Sat, 12 Jun 2010 12:28:02 +0200
>
>> Commit 597a264b1a9c7e36d1728f677c66c5c1f7e3b837:
>> »net: deliver skbs on inactive slaves to exact matches«
>>
>> causes large timeouts when mpd clients try to connect to a locally
>> running mpd (music player demon) on my machine. This makes it
>> impossible to control mpd.
>>
>> I bisected this down to the commit mentioned above.
>> Reverting the commit from 2.6.35-rc3 also solves the problem.
>
> John, find an easy and fast way to fix this or else I am
> going to revert.
>
> Thanks.
Looks like skbs are hitting loopback_xmit() with deliver_no_wcard set. Then in
the receive path these skbs are only delivered to exact matches. Not sure why
this bit is set here, I'll track this down first thing tomorrow.
Thanks,
John.
next prev parent reply other threads:[~2010-06-13 8:05 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-12 10:28 mpd client timeouts (bisected) 2.6.35-rc3 Markus Trippelsdorf
2010-06-12 21:58 ` David Miller
2010-06-13 8:05 ` John Fastabend [this message]
2010-06-13 20:36 ` John Fastabend
2010-06-13 20:50 ` Eric Dumazet
2010-06-14 0:14 ` David Miller
2010-06-13 20:59 ` markus
2010-06-14 0:14 ` David Miller
2010-06-16 10:01 ` Christian Kujau
2010-06-17 15:05 ` Christoph Fritz
2010-06-14 0:13 ` David Miller
2010-06-14 14:13 ` Michael S. Tsirkin
2010-06-17 5:16 ` Shi, Alex
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