From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: 2.6.34: Problem with UDP traffic on lo + poll(?) Date: Tue, 07 Sep 2010 18:36:31 +0200 Message-ID: <1283877391.2313.62.camel@edumazet-laptop> References: <1283802132.2585.4.camel@edumazet-laptop> <4C854737.5040503@ans.pl> <1283804955.2585.12.camel@edumazet-laptop> <4C8552B1.8020806@ans.pl> <4C855385.7030203@ans.pl> <4C865C21.5010803@ans.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Krzysztof =?UTF-8?Q?Ol=C4=99dzki?= Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:51261 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757599Ab0IGQgh (ORCPT ); Tue, 7 Sep 2010 12:36:37 -0400 Received: by fxm16 with SMTP id 16so93524fxm.19 for ; Tue, 07 Sep 2010 09:36:36 -0700 (PDT) In-Reply-To: <4C865C21.5010803@ans.pl> Sender: netdev-owner@vger.kernel.org List-ID: Le mardi 07 septembre 2010 =C3=A0 17:37 +0200, Krzysztof Ol=C4=99dzki a= =C3=A9crit : > So far I have found that: >=20 > 2.6.31.7/2.6.31.12: OK > 2.6.32.21: OK > 2.6.33-rc1: bad > 2.6.33-rc5: bad > 2.6.33.7: bad > 2.6.34.4/2.6.34.6: bad >=20 > It looks like the bug must have been introduced in 2.6.33-rc1. There = are=20 > 8904 commits between 2.6.32 and 2.6.33-rc1, so with ~15 more reboots = I=20 > should be able to point the problematic commit. I hope. ;) >=20 >=20 Hmm, I have a pretty good idea of what the problem is, and will post a fix soon ;) Thanks !