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Date:      Tue, 13 Oct 1998 13:01:06 +0200
From:      Philippe Regnauld <regnauld@deepo.prosa.dk>
To:        "Kenneth D. Merry" <ken@plutotech.com>, gibbs@plutotech.com
Cc:        freebsd-current@FreeBSD.ORG
Subject:   Re: 3.0-19981009-BETA + 2840 AHA + camcontrol stop/start = panic
Message-ID:  <19981013130106.43997@deepo.prosa.dk>
In-Reply-To: <199810121846.MAA25828@panzer.plutotech.com>; from Kenneth D. Merry on Mon, Oct 12, 1998 at 12:46:10PM -0600
References:  <19981012194716.53997@deepo.prosa.dk> <199810121846.MAA25828@panzer.plutotech.com>

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Kenneth D. Merry writes:
> 
> Unless you can provide a stack trace, or at least the functions around the
> given instruction pointer, there's no way to know where the panic is.

	1st panic:	(i.p. = 0xf010553d)

	nm.aout /kernel | sort

	... 
	f0105448 T _xpt_done
	<--->
	f01055b4 T _xpt_alloc_ccb
	...

	2nd panic:	(i.p. = 0xf014a92f)

	...
	f014a914 T _tsleep
	<--->
	f014ab6c t _endtsleep
	...

> Try setting up a serial console and DDB so you can get a stack trace.

	Ok, but onæy because it's you ;-)

	panic-on-demand (with DDB):

	[doing start/stop stuff]:

	panic: biodone: buffer not busy

	- trace:

	_biodone at _biodone+0x24
	_dadone at _dadone+0x23d
	_camisr at _damisr+0x1fb
	_swi_cambio at _swi_cambio+0xd
	doreti_swi() at doreti_swi+0xf

	(machine still in DDB -- anything more precise ?  I don't have a serial
	cross cable right now).


-- 
 -[ Philippe Regnauld / sysadmin / regnauld@deepo.prosa.dk / +55.4N +11.3E ]-

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