[Buildroot] Strange behavior in mount with tmpfs

[Baruch Siach <baruch@tkos.co.il>]

Hi Carlos,

On Sun, May 01, 2011 at 09:12:03PM -0500, Carlos Alberto Diaz Gonzalez O. wrote:
> Hi Everybody,
> I?m testing buildroot for a personal project and is a really good tool
> thanks to all people that is doing it possible.
> At this moment I?m testing in a virtual machine a filesystem built
> with buildroot , but I?m observing an odd behavior when I try to mount
> some tmpfs all of these are being mounted in the /tmp, although my
> fstab is configured to mount in other way this filesystems

Are your /var/run, /var/tmp, etc, all symlink to /tmp? This should explain 
what you see.

baruch

> Maybe someone in this list can help me to find an answer to fix it or
> a way to correct it. The version used to build my environment was the
> buildroot-2011.02.
> 
> # cat /etc/fstab
> # /etc/fstab: static file system information.
> # <file system> <mount pt>     <type>	<options>         <dump> <pass>
> /dev/sda5       /              ext3	rw,noauto         0      1
> /dev/sda6	/etc	       ext3     rw,auto,nodev,noexec,remount 0	0
> proc		/proc	       proc     defaults	  0	 0
> devpts		/dev/pts       devpts   defaults,gid=5,mode=620	  0	 0
> sysfs		/sys	       sysfs    defaults	  0	 0
> tmpfs	/var/run	tmpfs	rw,size=128k,nodev,nosuid  0   0
> tmpfs	/var/tmp	tmpfs	defaults 	0   0
> tmpfs	/var/log	tmpfs	rw,size=20m,nodev,nosuid  0   0
> tmpfs	/var/lock	tmpfs	rw,nodev,nosuid	 0   0
> 
> # mount
> rootfs on / type rootfs (rw)
> none on /sys type sysfs (rw,nosuid,nodev,noexec)
> none on /proc type proc (rw,nosuid,nodev,noexec)
> udev on /dev type tmpfs (rw)
> none on /dev/pts type devpts (rw,nosuid,noexec,gid=5,mode=620)
> fusectl on /sys/fs/fuse/connections type fusectl (rw)
> /dev/sda5 on / type ext3 (rw,errors=continue,data=ordered)
> /dev/sda6 on /etc type ext3 (rw,errors=continue,data=ordered)
> tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
> tmpfs on /tmp type tmpfs (rw)
> tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
> tmpfs on /tmp type tmpfs (rw,nosuid,nodev)

-- 
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