Date: Tue, 15 Jul 1997 20:50:23 +1000 From: Bruce Evans <bde@zeta.org.au> To: gibbs@plutotech.com, Shimon@i-Connect.Net Cc: dg@root.com, filo@yahoo.com, freebsd-SCSI@FreeBSD.ORG Subject: Re: problems with reboot Message-ID: <199707151050.UAA16854@godzilla.zeta.org.au>
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>* It appears that the shutdown procedure does a umount -a and that umount > issues a close to sd.c... Open swap devices prevent the last close in some cases. >* I further confused the issue by ASKING ``Does the /sbin/reboot command > umount or not?'' I then added that, if memory does not fail me, UnixWare > equivalent of /sbin/reboot does not and indeed can cause this sort of > failure. BTW, most other O/S do NOT issue the ``PREVENT/ALLOW...'' pairs It does for clean shutdowns only. If syncing all busy buffers succeeds, then all file systems are unmounted. Otherwise, file systems are not unmounted. Summary: this doesn't work quite right yet. Bruce
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