Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754929Ab1BPNzx (ORCPT ); Wed, 16 Feb 2011 08:55:53 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:43792 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751067Ab1BPNzu (ORCPT ); Wed, 16 Feb 2011 08:55:50 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date :message-id:mime-version:x-mailer:content-transfer-encoding; b=Vza09qb3CkF6auFiNPLqjlC2RQQxvSXig12rMGX7gpgP8HpfuIn4Z914xyGhZJ3Fkm 9hlUncz8O89xO4tflNz5AZhJCGJKOkDL1acTaDzbyQDKa8PgQcU/eIvbdSNxR4NQAoe2 Ay/PIoiartGVJthpKstH5gWamZ8KyCw9WUpBQ= Subject: Re: Linux 2.6.38-rc5 From: Eric Dumazet To: Linus Torvalds Cc: Linux Kernel Mailing List , Al Viro In-Reply-To: <1297854842.3201.197.camel@edumazet-laptop> References: <1297854842.3201.197.camel@edumazet-laptop> Content-Type: text/plain; charset="UTF-8" Date: Wed, 16 Feb 2011 14:55:44 +0100 Message-ID: <1297864544.3201.361.camel@edumazet-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1539 Lines: 46 Le mercredi 16 février 2011 à 12:14 +0100, Eric Dumazet a écrit : > Le mardi 15 février 2011 à 20:16 -0800, Linus Torvalds a écrit : > > Another week, another -rc. > > > > Nothing much stands out here - we've fixed some regressions > > (including, hopefully, a BUG_ON() due to the new RCU filename lookup > > that Ubuntu people saw), and things look fairly normal. > > Using this kernel on my dev machine (2x4x2 cpus), I hit BUG_ON() in > fs/namei.c:1461 on my kernel build (make -j16) > > BUG_ON(inode != next.dentry->d_inode) > > I do have DEBUG_PAGEALLOC and LOCKDEP on > > Since I hit this BUG_ON() even on boot, I spent some time tracking it. I bisected the problem to commit 844a391799c25d9b (nothing in do_follow_link() is going to see RCU) Reverting this commit makes my machine happy again. My filesystems are ext3 # mount /dev/sda2 on / type ext3 (rw) none on /proc type proc (rw) none on /sys type sysfs (rw) none on /dev/pts type devpts (rw,gid=5,mode=620) usbfs on /proc/bus/usb type usbfs (rw) /dev/sda6 on /appli type ext3 (rw) /dev/sda1 on /boot type ext3 (rw) none on /dev/shm type tmpfs (rw) /dev/sda7 on /opt type ext3 (rw) /dev/sda3 on /var type ext3 (rw) none on /sys/kernel/debug type debugfs (rw) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) -- 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/