[Users] Conf file corruption

[Jim Archer]

Has anyone here seen their conf files get corrupted?  I am finding that 
when I change the value of a parameter using vzctl set while the VPS is 
running, that a big chunk from the middle of my conf file gets duplicated 
near the bottom of the file.

This could be because I added many lines of comments to the file and it's 
bigger than the distributed files.  I think it also happens when I use 
vzcfgvalidate in interactive mode.

Has anyone else seen this?