Issue's with ls

I've recently noticed a quirky issue when using the ls command on my 
Solaris 8 server.  In the / directory when I type ls it shows the 
folders.  If I used ls -a I can see the files and folders there, but if 
I use ls -l it just hangs and shows nothing.  I have to give it a ctrl+c 
to get back to my shell.  I've run rootkit and done some other checking 
and get find no hints of foul play.  Does anyone have any suggestions, 
or have experience with a problem like this?  If you need more info just 
drop me a line.

Thanks,

Michael

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Michael Wright
Technical Support Specialist
Computer Science and Engineering        email:[email protected]
Pacific Lutheran University             phone: 253-535-7408
Tacoma, WA  98447-0003                  fax:  253-535-8700