From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759639AbZD2Rvp (ORCPT ); Wed, 29 Apr 2009 13:51:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752369AbZD2Rvg (ORCPT ); Wed, 29 Apr 2009 13:51:36 -0400 Received: from web32607.mail.mud.yahoo.com ([68.142.207.234]:43906 "HELO web32607.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751604AbZD2Rvf (ORCPT ); Wed, 29 Apr 2009 13:51:35 -0400 Message-ID: <225539.25847.qm@web32607.mail.mud.yahoo.com> X-YMail-OSG: wnGbpPoVM1lbKCcpaAlGRl_FBsRdFsciaPg.VcpuwN84sJ0kFoL_C6nDMvGr9YrIb.7468k0jYb2f1oTRWL79xxpScXSMPZPBKuZqUGCoF74UcBXHJuqjSxEwM0jCUWtpz2yKFppYO23QAgwaDTqAPkaPkQrLFM0m6dZhcTGL0YgtUSmGYMrDBEzAt4d0xq4FDMsNWQ1qHI56Pk_kQInUaE9KM1ON.HGaNfHqKCncDr1Fy7Za2dYpWRvt9prT5m5SxjQi.Zycho_24e30H4i2WU61Z.jC7pDoKAfoF8DVqWrga5oL_e6 X-RocketYMMF: knobi.rm X-Mailer: YahooMailRC/1277.35 YahooMailWebService/0.7.289.1 References: <409142.83316.qm@web32605.mail.mud.yahoo.com> <20090428182837.62c51f26.akpm@linux-foundation.org> <1240977096.5478.3.camel@marge.simson.net> <20090429011755.c141c599.akpm@linux-foundation.org> <20090429120827.GI8633@ZenIV.linux.org.uk> <884894.99151.qm@web32602.mail.mud.yahoo.com> <20090429174154.GK8633@ZenIV.linux.org.uk> Date: Wed, 29 Apr 2009 10:51:35 -0700 (PDT) From: Martin Knoblauch Subject: Re: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow To: Al Viro Cc: Andrew Morton , Mike Galbraith , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, tigran aivazian In-Reply-To: <20090429174154.GK8633@ZenIV.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ------------------------------------------------------ Martin Knoblauch email: k n o b i AT knobisoft DOT de www: http://www.knobisoft.de ----- Original Message ---- > From: Al Viro > To: Martin Knoblauch > Cc: Andrew Morton ; Mike Galbraith ; Rafael J. Wysocki ; linux-kernel@vger.kernel.org; tigran aivazian > Sent: Wednesday, April 29, 2009 7:41:54 PM > Subject: Re: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow > > On Wed, Apr 29, 2009 at 10:24:20AM -0700, Martin Knoblauch wrote: > > > > Er... Somebody mounting sysfs twice? From some init script and from > > > /etc/fstab, perhaps? That definitely looks like two mount(2) had to > > > have been done to cause that... > > > > One definitely comes from /etc/fstab, but I am not aware of any other script > mounting sysfs in my userspace. > > Check in /etc/init.d; e.g. on debian it's mountkernfs. More interesting > question is what else is mounted on /sys; how about the entire /proc/mounts > contents? 2.6.30-rc3-git2: rootfs / rootfs rw 0 0 /proc /proc proc rw,relatime 0 0 none /sys sysfs rw,relatime 0 0 none /dev tmpfs rw,relatime,mode=755 0 0 /dev/root / ext3 rw,relatime,errors=continue,data=writeback 0 0 none /dev tmpfs rw,relatime,mode=755 0 0 /proc /proc proc rw,relatime 0 0 /proc/bus/usb /proc/bus/usb usbfs rw,relatime 0 0 /sys /sys sysfs rw,relatime 0 0 none /dev/pts devpts rw,relatime,gid=5,mode=620 0 0 /dev/cciss/c0d0p1 /boot ext3 rw,relatime,errors=continue,data=writeback 0 0 none /dev/shm tmpfs rw,relatime 0 0 /dev/cciss/c0d0p4 /scratch ext2 rw,noatime,errors=continue 0 0 none /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0 sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0 2.6.19.2 rootfs / rootfs rw 0 0 /proc /proc proc rw 0 0 none /dev tmpfs rw 0 0 /dev/root / ext3 rw,data=ordered 0 0 none /dev tmpfs rw 0 0 /proc /proc proc rw 0 0 /proc/bus/usb /proc/bus/usb usbfs rw 0 0 /sys /sys sysfs rw 0 0 none /dev/pts devpts rw 0 0 /dev/cciss/c0d0p1 /boot ext3 rw,data=ordered 0 0 none /dev/shm tmpfs rw 0 0 /dev/VolGroup00/LogVol02 /scratch ext2 rw,noatime 0 0 none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0 sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0 Cheers Martin