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

[Martin Knoblauch]

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



----- Original Message ----
> From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> To: Martin Knoblauch <knobi@xxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>; Mike Galbraith <efault@xxxxxx>; Rafael J. Wysocki <rjw@xxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; tigran aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>
> 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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