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From: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com>
Message-Id: <199510172215.PAA16005@GndRsh.aac.dev.com>
Subject: Re: crash
To: brian@MediaCity.com (Brian Litzinger)
Date: Tue, 17 Oct 1995 15:15:09 -0700 (PDT)
Cc: jc@irbs.com, nathan@netrail.net, current@FreeBSD.org, et-users@netrail.net,
        freebsd-isp@netrail.net
In-Reply-To: <199510171941.MAA21694@MediaCity.com> from "Brian Litzinger" at Oct 17, 95 12:41:44 pm
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> 
> > 
> > Nathan Stratton writes:
> > > 
> > > 
> > > I am using a 486 DX4 100 as a router, I have a T1 from sprint and a T1 
> > > form mci connected to it. I also have two 10 meg ethernet cards. It is 
> > > running freebsd 2.0.5 and has about 31,000 routes in it's routing table. 
> > > Well my problem is every day or so it will crash. My T1 cards need to be 
> > > reset befoer they reboot so when the system reboots it just locks up 
> > > becaue the T1 cards were not reset.
> > > 
> > > I changed my reboot command to reset the cards, so if I do a shutdown it 
> > > works great and resets my cards. But what it looks like when the system 
> > > crashes it does not run reboot. What does it run? How can I make my 
> > > system reset my T1 cards just after it crashes and befoer it reboots the 
> > > system?
> > > 
> > 
> > The kernel does not run any user land programs after a panic.  The
> > T1 cards should be reset by the driver when they are attached.
> > Dennis???
> 
> I believe the problem is that the system cannot successfully reboot unless
> the cards are reset before the reboot attempt.  Which doesn't happen in
> a crash.
> 
> On the other hand, if you run the cards in 8 bit mode the problem will
> go away.

If that is the case then the problem is that you are mixing 8 bit and 16 bit
cards within the same 128K of memory address space in the ISA hole.  This
is in violation of the spec :-(.

Move your shared memory area such that the mixing no longer occurs and
your problem should go away.

> Brian Litzinger
> brian@Mediacity.com


-- 
Rod Grimes                                      rgrimes@gndrsh.aac.dev.com
Accurate Automation Company                 Reliable computers for FreeBSD