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Description of problem:
RHEL3 U4 does not boot if /tmp is a symlink to another FS than /.
Tried on one box with U3 -> U4 update and on another with a clean U4
install, using our own kickstart which among other things, symlinks
/tmp to /var/tmp.

During the boot process, I see

Starting up RAID devices: md0 md4 md2 md3 md1
Cannot create temp file /tmp/devlabel.luyk7Al
/sbin/devlabel: line 893: $temp_proc: ambiguous redirect

Looking at the code, I see:

temp_proc=`mktemp /tmp/devlabel.XXXXXX`
echo "$proc_partitions" > $temp_proc

Removing the symlink and creating /tmp with 1777 bits allows normal
booting. Or removing devlabel-package.


Version-Release number of selected component (if applicable):
0.48.03-6

How reproducible:
Always

Steps to Reproduce:
1. Install RHEL3U4 using our own kickstart
2. Reboot the box

    

Actual Results:  Boot fails with the last messages on screen:

Starting up RAID devices: md0 md4 md2 md3 md1
Cannot create temp file /tmp/devlabel.luyk7Al
/sbin/devlabel: line 893: $temp_proc: ambiguous redirect

Expected Results:  After starting RAID devices, continue with mounting
filesystems and the rest of the boot process.


Additional info:

U3 devlabel-0.42.05 does not suffer from this.