[Buildroot] tmpfs puzzle

[Michael S. Zick <minimod@morethan.org>]

On Mon July 11 2011, Charles Krinke wrote:
> I am puzzled why "tmpfs" is not mounting in my buildroot glibc root
> filesystem and would appreciate a "clue" or at least a sarcastic
> "RTFM" if one could tell me *which* "FM" and what its URL might be.
>

http://lists.busybox.net/pipermail/buildroot/2011-June/043752.html

Mike
> 
> Here is my /etc/fstab, a cat or /proc/mounts and the result of "mount
> -a", which fails on tmpfs.
> 
> # cat /etc/fstab
> # /etc/fstab: static file system information.
> #
> # <file system> <mount pt>     <type>   <options>         <dump> <pass>
> /dev/root       /              ext2     rw,noauto         0      1
> proc            /proc          proc     defaults          0      0
> devpts          /dev/pts       devpts   defaults,gid=5,mode=620   0      0
> tmpfs           /tmp           tmpfs    defaults          0      0
> sysfs           /sys           sysfs    defaults          0      0
> #
> #
> # cat /proc/mounts
> rootfs / rootfs rw 0 0
> /dev/root / jffs2 rw,relatime 0 0
> devtmpfs /dev devtmpfs rw,relatime,mode=0755 0 0
> proc /proc proc rw,relatime 0 0
> devpts /dev/pts devpts rw,relatime,gid=5,mode=620 0 0
> sysfs /sys sysfs rw,relatime 0 0
> #
> #
> #
> # mount -a
> mount: mounting tmpfs on /tmp failed: Invalid argument
> #
> 
>