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Date:      Mon, 26 May 1997 18:55:06 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        freebsd-stable@freebsd.org, tomppa@fidata.fi
Subject:   Re: 2.2 stable hang or reboot
Message-ID:  <199705260855.SAA17526@godzilla.zeta.org.au>

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>2.2-stable still hangs or reboots if I do couple mounts too fast on
>shell script or with cut&paste.
>
>Reboot:
>mount -u -o async,noatime /
>mount -u -o async,noatime /u
>mount

Urk.  -current accesses a null pointer in mount() after a few iterations of

	while :; do mount -o async,noatime /; echo -n 1; done

mp->vnodecovered is null in

		mp->mnt_vnodecovered->v_mounted = (struct mount *)0;

Bruce



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