From owner-freebsd-stable  Fri Aug 24  9:38: 6 2001
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From: Nate Williams <nate@yogotech.com>
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Date: Fri, 24 Aug 2001 10:37:45 -0600
To: Warner Losh <imp@harmony.village.org>
Cc: Ted Faber <faber@ISI.EDU>, Kevin Oberman <oberman@es.net>,
	Michael Collette <metrol@earthlink.net>,
	FreeBSD <freebsd-mobile@FreeBSD.ORG>,
	FreeBSD <freebsd-stable@FreeBSD.ORG>
Subject: Re: IRQ Problems with Stable 
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References: <20010823155520.U610@ted.isi.edu>
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> OK.  I have a fix that might work.  But I think this fix will correct
> a different problem (the hanging on boot on Thinkpad laptops with
> hw.pcic_init_routing=1).

No joy on my ThinkPad.  It now hangs at bootup after applying this patch
and setting the variable 'hw.pcic.init_routing' to 1 in
/boot/loader.conf.

Is there an easy way of 'unsetting' the variable now?



Nate

> Index: pcic_pci.c
> ===================================================================
> RCS file: /cache/ncvs/src/sys/pccard/pcic_pci.c,v
> retrieving revision 1.54.2.8
> diff -u -r1.54.2.8 pcic_pci.c
> --- pcic_pci.c	2001/08/23 07:57:14	1.54.2.8
> +++ pcic_pci.c	2001/08/24 05:13:13
> @@ -672,6 +672,13 @@
>  	sc->csc_route = pcic_intr_path;
>  	sc->func_route = pcic_intr_path;
>  
> +	/*
> +	 * Turn off the power to the slot before we do anything
> +	 * with it.
> +	 */
> +	sp->putb(sp, PCIC_INT_GEN, 0);
> +	sp->putb(sp, PCIC_POWER, 0);
> +
>  	switch (device_id) {
>  	case PCI_DEVICE_ID_RICOH_RL5C465:
>  	case PCI_DEVICE_ID_RICOH_RL5C466:
> 
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