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    SubjectRe: Analyzed/Solved: Booting 2.6.30-rc2-git7 very slow



    ------------------------------------------------------
    Martin Knoblauch
    email: k n o b i AT knobisoft DOT de
    www: http://www.knobisoft.de



    ----- Original Message ----
    > From: Al Viro <viro@ZenIV.linux.org.uk>
    > To: Martin Knoblauch <knobi@knobisoft.de>
    > Cc: Andrew Morton <akpm@linux-foundation.org>; Mike Galbraith <efault@gmx.de>; Rafael J. Wysocki <rjw@sisk.pl>; linux-kernel@vger.kernel.org; tigran aivazian <tigran@aivazian.fsnet.co.uk>
    > 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



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