Subject: Re: PANIC on reboot
To: David Carrel <carrel@cisco.com>
From: Jason Downs <downsj@CSOS.ORST.EDU>
List: port-hp300
Date: 11/05/1994 11:40:28
In message <199411051912.LAA27740@large.cisco.com>,
	David Carrel writes:
>I am getting a panic every time I reboot my machine.  I have no troubles at
>all running this machine for days, but if I reboot it, it drops into the
>ROM monitor, loads the kernel, and then when booting, it panics.  Here's
>what I see:
>
>	<BOOTROM screen prints out and then screen clears>
>
>	<loader screen prompts for kernel, prints some more and then clears>
>
>	<message about preserving symbols>
>	<copyright is printed>
>	NetBSD 1.0 (DAVE) #6: Mon Oct 24 05:00:48 PDT 1994
>	    carrel@haydon:/home/NetBSD/src/sys/arch/hp300/compile/DAVE
>	HP9000/380/425 (25MHz MC68040 CPU+MMU+FPU, 4k on-chip physical I/D cach
>es)
>	real mem = 16769024
>	panic: pmap_enter_ptpage: PT page not entered
>	Stopped at	_Debugger+0x6:	unlk a6
>	db>
>
>But at this point the keyboard is wedged and my only recourse is to power
>cycle the thing.  NOTE: When I boot up from a power cycle, I never have any
>problems. 
>
>NetBSD haydon 1.0 NetBSD 1.0 (DAVE) #6: Mon Oct 24 05:00:48 PDT 1994
>    carrel@haydon:/home/NetBSD/src/sys/arch/hp300/compile/DAVE hp300
>
>The machine is an hp375 converted to a 380 running with the 040 clocked at
>33 MHz.  I last sup-ed on 24 Oct and I don't think there have been any sup
>scans since then.  I can provide the config file is necessary.

it works alright if you take DEBUG and/or DIAGNOSTIC out of your kernel.

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