Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761978AbZD3JMV (ORCPT ); Thu, 30 Apr 2009 05:12:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759723AbZD3JMF (ORCPT ); Thu, 30 Apr 2009 05:12:05 -0400 Received: from web32602.mail.mud.yahoo.com ([68.142.207.229]:45788 "HELO web32602.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754170AbZD3JMD (ORCPT ); Thu, 30 Apr 2009 05:12:03 -0400 Message-ID: <926930.45651.qm@web32602.mail.mud.yahoo.com> X-YMail-OSG: 1ahfCBMVM1mwx2eSFyVnfkdH0LhK6jZvrLKXzBa7cKH_0pkHDBd_agZ3UKPboW8qLEyvwpFpUb5zZSmajNCc1xFA3nKg6Wgj11CvrrPi29aVphMGkRqRrMdC0yeJk9ibK0b1N.McmDyzafC9.egtrhBDfz38zksW.ClKkffp2H619icCYlZ5FqKq3ucvPkqtOKp3tNRrpey1501PBo6fkDQi9R42Ixc1dqclvNcHMn9qalykUJ1INC3kneLezyOTZ7f7NGepkIT69RrJPgIvA1uL1A6rGyTkXe4pidtw1V.hZLSBaRRb 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> <225539.25847.qm@web32607.mail.mud.yahoo.com> <20090429181041.GM8633@ZenIV.linux.org.uk> Date: Thu, 30 Apr 2009 02:12:00 -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: <20090429181041.GM8633@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 Content-Length: 1876 Lines: 46 ----- 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 8:10:41 PM > Subject: Re: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow > > On Wed, Apr 29, 2009 at 10:51:35AM -0700, Martin Knoblauch wrote: > > 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 > > Cute... I wonder how that second mount(2) managed to succeed. Could you > check what explicit mounting of sysfs on that point *again* does? Hi Al, by now I know a bit more. Starting with 2.6.29, the none /sys sysfs rw 0 0 line is already in /proc/mounts when entering userspace. So I guess it comes out of my initrd. Again, what changed? Cheers Martin -- 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/