The default value for TMPFS_SIZE is 512k. "1024k" would work just fine.
It's defined in the file: /etc/rc.d/rc.conf
It looks like /var/lib/rpm is hogging up all the space in there:
root@freescale /var/lib/rpm$ ls -las
0 drwxr-xr-x 2 mesb mesb 340 Nov 13 2011 .
0 drwxr-xr-x 3 root root 60 Nov 13 2011 ..
96 -rw-r--r-- 1 root root 90112 Nov 13 2011 Basenames
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Conflictname
20 -rw-r--r-- 1 root root 20480 Nov 13 2011 Dirnames
84 -rw-r--r-- 1 root root 77824 Nov 13 2011 Filemd5s
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Group
8 -rw-r--r-- 1 root root 8192 Nov 13 2011 Installtid
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Name
284 -rw-r--r-- 1 root root 282624 Nov 13 2011 Packages
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Providename
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Provideversion
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Requirename
8 -rw-r--r-- 1 root root 8192 Nov 13 2011 Requireversion
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Sha1header
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Sigmd5
12 -rw-r--r-- 1 root root 12288 Nov 13 2011 Triggername
root@freescale /var/lib/rpm$ du
608 .
root@freescale /var/lib/rpm$
Discovered the problem when I tried installing boa, and boa didn't work properly, so started poking around, and eventually figured out that there was no room left on /var.
JR
note that this fix is not needed when booted via NFS, as /tmp and /var are not mounted on the ramdisk. Here's the pertinent message on the console at boot time:
Booted NFS, not relocating: /tmp /var
Mostly just FYI,
JR