Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756022Ab1DGMHh (ORCPT ); Thu, 7 Apr 2011 08:07:37 -0400 Received: from mail-qw0-f46.google.com ([209.85.216.46]:48362 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755775Ab1DGMHf (ORCPT ); Thu, 7 Apr 2011 08:07:35 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; b=ul21pWHfdSiPXWxGmzzrnNp+mpmQ1xru5Mf7Mz8GKK5eGFxDaR5Qg6krATdsH/Reh4 PDiSboc8HEgkxFfQLJ1w/ydED+I2Nqh6U2kvOUETwxsavNDBU8fu7fperne6bO5XJXHJ eoOuxfU3UbXe4ZvbTsjxkoSJShWPoS+l0BHdk= MIME-Version: 1.0 Reply-To: sedat.dilek@gmail.com In-Reply-To: References: Date: Thu, 7 Apr 2011 14:07:34 +0200 Message-ID: Subject: Re: [net-next-2.6] Revert "net: Allow no-cache copy from user on transmit" From: Sedat Dilek To: netdev@vger.kernel.org, LKML , linux-next , Tom Herbert Cc: Jay Vosburgh , Andy Gospodarek , "David S. Miller" , Alexey Kuznetsov , "Pekka Savola (ipv6)" , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , Eric Dumazet , Changli Gao , Jesse Gross , =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Ben Hutchings , Stanislaw Gruszka , Kees Cook , Stephen Rothwell Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2427 Lines: 66 On Thu, Apr 7, 2011 at 1:03 PM, Sedat Dilek wrote: > ...will try the patch from [1]: > > - Sedat - > > [1] http://marc.info/?l=linux-netdev&m=130215119417648&w=2 > The patch from above fixes my network problems. Thanks. - Sedat - > On Thu, Apr 7, 2011 at 12:49 PM, Sedat Dilek wrote: >> [ The long CC list I got via ./scripts/get_maintainer.pl ] >> >> Hi, >> >> with yesterday's linux-next (next-20110406) I discovered first time >> network problems. >> Today's next-20110407 shows the same symptoms. >> In my IRC client the connection via SSL-encryption to freenode and >> oftc are not established. >> Also, I saw "stalls" on websites in firefox. >> >> Luckily, next-20110405 was OK, so I started to look at the >> net-next-2.6 merge and its commits. >> ( Furthermore, I tested a 2.6.39-rc2 vanilla kernel to ensure the >> problem comes from linux-next patch. ) >> >> By reverting all 10 commits my system worked as expected, here the list: >> >> 0001-Revert-net-Allow-no-cache-copy-from-user-on-transmit.patch >> 0002-Revert-bridge-range-check-STP-parameters.patch >> 0003-Revert-bridge-allow-creating-bridge-devices-with-net.patch >> 0004-Revert-bridge-allow-creating-deleting-fdb-entries-vi.patch >> 0005-Revert-bridge-add-netlink-notification-on-forward-en.patch >> 0006-Revert-bridge-split-rcu-and-no-rcu-cases-of-fdb-look.patch >> 0007-Revert-bridge-track-last-used-time-in-forwarding-tab.patch >> 0008-Revert-bridge-change-arguments-to-fdb_create.patch >> 0009-Revert-pkt_sched-QFQ-quick-fair-queue-scheduler.patch >> 0010-Revert-xen-netfront-assume-all-hw-features-are-avail.patch >> >> In a next run, I started with only >> "0001-Revert-net-Allow-no-cache-copy-from-user-on-transmit.patch". >> It turned out that this is the culprit commit. >> ( I have not played with the new ethtool option tx-nocache-copy in >> "BROKEN" kernel. ) >> >> My wificard is an Atheros ath5k. >> I attached my kernel-config and the revert-patch which makes the >> system stable again. >> >> Can you have a look at it? >> >> I you want me to help with debugging, please give me precise instructions. >> >> Regards, >> - Sedat - >> > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/