Comment 4 for bug 967815

I have seen a simliar issue, also on Oneiric:

XXXXX@XXXXX:/var/lib/tftpboot/pxelinux.cfg$ ls -l
total 20
-rw-r--r-- 1 root root 398 2012-03-27 11:47 01-00-XX-XX-XX-XX-XX
--w------- 1 root root 386 2012-03-27 11:56 01-XX-XX-XX-XX-XX-XX
--w------- 1 root root 386 2012-03-27 11:56 01-XX-XX-XX-XX-XX-XX
--w------- 1 root root 386 2012-03-27 11:56 01-XX-XX-XX-XX-XX-XX
-rw-r--r-- 1 root root 215 2012-03-27 11:56 default

Restarting cobbler seemed to get it creating files correctly again. I suspect that it was triggered in my case by calling cobbler concurrently (though for separate profiles and systems).