[oe] [Bug 1418] checkroot.sh and /proc/mounts issue

[bugzilla-daemon at tinman.treke.net]

http://bugs.openembedded.org/show_bug.cgi?id=1418





------- Comment #1 from shanevolpe at gmail.com  2006-09-15 07:43 -------
"checkroot.sh right before it is finished checks the privs. of rootfs in
/proc/modules."

This is a typo:  It should be:
"checkroot.sh right before it is finished checks the privs. of rootfs in
/proc/mounts" 

Sorry for the confusion.
Regards,
Shane

> checkroot.sh right before it is finished checks the privs. of rootfs in
> /proc/modules.  If the rootfs is rw then checkroot.sh exits otherwise it
> remounts it as rw.
> When my system enters this script this is what /proc/mounts looks like:
>     rootfs / rootfs rw 0 0
>     /dev/root / jffs2 ro 0 0 
>     proc /proc proc rw 0 0
> checkroot.sh does its check and sees rootfs is rw so it exists with out
> mounting  "/" as rw.  However /dev/root is the real "/" and it is mounted as ro
> so it does need to be remounted as rw or the system comes up with the root file
> system in ro mode.
> 
> I modified checkroot.sh as follows:
> Line: 153
> --       if [ $(grep rootfs /proc/mounts | awk '{print $4}') = rw ]; then
> ++       if [ $(grep "/dev/root" /proc/mounts | awk '{print $4}') = rw ]; then
>          exit 0
>        fi
>        echo "Remounting root file system..."
>        mount -n -o remount,$rootmode /
> 
> I do not believe this is the best long term solution but it is a temporary one
> for me that works. I would like to hear other people's options on this matter. 
> 
> Why are there two entries in the /proc/mounts for "/"?  
> I verified they are present the minute sysinit calls the first run level
> script.
> 
> Regards,
> Shane
> 


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