Re: RSBAC suggestions / Problems

From: Amon Ott <ao@rsbac.org>
Subject: Re: RSBAC suggestions / Problems
Date: Tue, 10 Jul 2001 14:56:00 +0200

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On Die, 10 Jul 2001 Kaladis wrote:
> When shutting down my system with kernel 2.4 patched RSBAC pre5 the /
> mountpoint is always busy and unmounting fails. I think that it is
> mostlikely RSBAC not shutting down properly since a clean 2.4 works.

Could you please try to find out when rsbac_umount is called for which device?
Just
echo debug_ds 1 >/proc/rsbac-info/debug
before shutting down. You should find a message for every device that is
umounted. If one is missing, the mountpoint must be busy - RSBAC holds dentry
references.

> Some RSBAC configurations also don't want to load up in VMWare. Anyone got a
> solution for that?

VMWare 1.0 is my main test environment, and all versions run fine here. Still,
my VMWare version is very old.

Did you try rsbac_init in a separate thread? Or a non-SMP compile? Also,
v1.1.2-pre7 might make a difference, because the locking has changed a lot.

Amon.
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