Date: Tue, 29 Oct 1996 22:26:34 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Nadav Eiron <nadav@barcode.co.il> Cc: adrian@virginia.edu, FreeBSD Questions List <questions@freebsd.org> Subject: Re: instability with 2.1.5 kernel Message-ID: <Pine.BSI.3.94.961029222330.369W-100000@gdi.uoregon.edu> In-Reply-To: <32747178.2677@barcode.co.il>
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On Mon, 28 Oct 1996, Nadav Eiron wrote: > > When shutting down my 2.1.5-RELEASE system, the kernel is failing > > with alarming regularity to flush all of the buffers. I frequently see > > about a dozen 4's and the a "giving up" message before the system > > reboots. When the systme comes up the root filesystem and sometimes > > others are not marked clean and must be fsck'ed. > > > > Has anyone else seen this? > > Yes! I never bothered to post to questions (or stable) about it as I seldom > shutdown my machines, but almost whenever I do, I can see this symptom. There > are other weird things with shutdown on 2.1.5: For example, shutting down from > an xterm (which used to work just fine) would hang up the machine instead of > switching back to the console vty0 before halting. I haven't seen any failures to flush on any of my machines, but I have seen "lockups" (esp. with 3.1.2S) when shutting down from X. The system really hasn't locked up, the console has gotten locked out but it really is shutting down. > > I have also seen a 'shutdown -h +0' go directly to rebooting. That doesn't directly reboot; it halts the system giving no guard time, but doesn't actually force a reboot -- it says "press any key to reboot". It's equivalent to 'shutdown -h now' You may have meant 'shutdown -r now' which _does_ restart. > > Bad hardware or a bug? > > I guess it's a bug of some sortrs, as I see the same behaviour on two machines > (though I only shut them down for kernel rebuilds and the such, which is not > very often). It depends. It may be that your SCSI controller is trying to quit to quickly or the system is telling the SCSI controller to flush out too late/early. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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