Path: utzoo!utgpu!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!pasteur!ucbvax!CITI.UMICH.EDU!rees
From: rees@CITI.UMICH.EDU
Newsgroups: comp.sys.apollo
Subject: Re: Hanging CSH
Message-ID: <8808181724.AA28051@umix.cc.umich.edu>
Date: 18 Aug 88 16:53:33 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: rees@caen.engin.umich.edu (Jim Rees)
Organization: The Internet
Lines: 16


    Since we went to SR9.7, we've had a recurring problem, but one that we
    have not been able to repeat on demand.  Occasionally, one types a Unix
    command and either gets a "segmentation violation" or the Cshell
    abruptly terminates.  Then the Cshell and all other Cshells active
    hang.  New CSH's also hang, as do new BSH's.  The Aegis shell still
    runs, and can be used to run at least some unix commands.  A "ps ax"
    so derived indicates that the CSH's are in state "S".

This sounds like a corrupted acl cache.  Get a traceback of one of the
hung shells and see if it's in something that sounds like acl cache code.

To really fix this, you need to flush the cache (with /etc/flush_cache).
I don't recommend doing this unless you're sure there is a problem.

Again, this is fixed in sr10 (which doesn't have an acl cache).
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