From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758066AbYKWUXw (ORCPT ); Sun, 23 Nov 2008 15:23:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752634AbYKWUXo (ORCPT ); Sun, 23 Nov 2008 15:23:44 -0500 Received: from yw-out-2324.google.com ([74.125.46.29]:2733 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752436AbYKWUXn (ORCPT ); Sun, 23 Nov 2008 15:23:43 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=UYOKv0b/wh6UJqqEwl+yLuIYWNraQiAR4D1sicr6l57umMN5gzwvReRQwBQNc2szdE 2BFeXpYS4WIJRC4bABGxr4MRq0h6vsamjDiswI+wk01R8aFY0cu//77RuKvvsCHZDDv+ yuWU5oIu5LPm7RNtV6VLA20t4k4UR8Bungxzw= Message-ID: Date: Sun, 23 Nov 2008 21:23:42 +0100 From: "Fabio Comolli" To: "Rafael J. Wysocki" Subject: Re: Regression in 2.6.28-rc and 2.6.27-stable - hibernate related Cc: "Linux Kernel Mailing List" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200811231914.09982.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi. On Sun, Nov 23, 2008 at 7:24 PM, Fabio Comolli wrote: > Hi > > Yes. I started another bisection session between 2.6.27.4 and 2.6.27.5. > Ok, this time things went much better. The bisection pointed to: ------------------------------------------------------------------------------------------------------------------------------------------------ fcomolli@hawking:~/software/GIT-TREES/linux-2.6.27.y> git bisect good ff0f8d16839cd02dc95bd92c212cbd5d433a4d2b is first bad commit commit ff0f8d16839cd02dc95bd92c212cbd5d433a4d2b Author: Jay Fenlason Date: Mon Oct 27 23:28:14 2008 +0100 firewire: fix struct fw_node memory leak commit 77e557191701afa55ae7320d42ad6458a2ad292e upstream With the bus_resets patch applied, it is easy to see this memory leak by repeatedly resetting the firewire bus while running slabtop in another window. Just watch kmalloc-32 grow and grow... Signed-off-by: Jay Fenlason Signed-off-by: Stefan Richter :040000 040000 01cadbd5f5fb81ce4f5e2023573204c4fbec3a28 809a53f4be87bd8be133ebd7564e1139a0cfa45b M drivers ------------------------------------------------------------------------------------------------------------------------------------------------ And this is the log: ------------------------------------------------------------------------------------------------------------------------------------------------ fcomolli@hawking:~/software/GIT-TREES/linux-2.6.27.y> git bisect log git-bisect start # good: [056c71459d3acf9fefcb2dc67abeef10e649d508] Linux 2.6.27.4 git-bisect good 056c71459d3acf9fefcb2dc67abeef10e649d508 # bad: [788a5f3f70e2a9c46020bdd3a195f2a866441c5d] Linux 2.6.27.5 git-bisect bad 788a5f3f70e2a9c46020bdd3a195f2a866441c5d # bad: [7bdb542c453c14e54af9ebe5c4a827e4a678c47d] powerpc/numa: Make memory reserve code more robust git-bisect bad 7bdb542c453c14e54af9ebe5c4a827e4a678c47d # good: [f29062d0ec12ee3a58c67228dc829574b4ced378] syncookies: fix inclusion of tcp options in syn-ack git-bisect good f29062d0ec12ee3a58c67228dc829574b4ced378 # good: [882491755d4c819de5bb593f04d06692185760aa] firewire: fix ioctl() return code git-bisect good 882491755d4c819de5bb593f04d06692185760aa # bad: [baae4f5fd7a75bdfa70d374b738963053df2bcaa] firewire: fw-sbp2: fix races git-bisect bad baae4f5fd7a75bdfa70d374b738963053df2bcaa # bad: [ff0f8d16839cd02dc95bd92c212cbd5d433a4d2b] firewire: fix struct fw_node memory leak git-bisect bad ff0f8d16839cd02dc95bd92c212cbd5d433a4d2b # good: [b6021579f54e5b6b31f03fe24de1208a2feb4aec] firewire: Survive more than 256 bus resets git-bisect good b6021579f54e5b6b31f03fe24de1208a2feb4aec ------------------------------------------------------------------------------------------------------------------------------------------------ The commit reverted cleanly and now I'm running 2.6.27.7 with that commit reverted. I'll post my results. Hoper this helps. Regards, Fabio >> Rafael > > Regards, > Fabio >