Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 19 Nov 2000 21:19:14 -0500
From:      mike ryan <msr@elision.org>
To:        Warner Losh <imp@village.org>
Cc:        stable@FreeBSD.ORG
Subject:   Re: 4.2-BETA hangs on boot
Message-ID:  <20001119211914.A42618@medianstrip.net>
In-Reply-To: <200011200043.RAA16333@harmony.village.org>; from imp@village.org on Sun, Nov 19, 2000 at 05:43:28PM -0700
References:  <20001116195957.A62344@bonsai.knology.net> <200011170209.eAH297q51130@drugs.dv.isc.org> <20001116204344.B62344@bonsai.knology.net> <200011172203.PAA77619@harmony.village.org> <20001117172251.A34915@medianstrip.net> <200011172314.QAA78313@harmony.village.org> <20001119042505.A7076@medianstrip.net> <200011192205.eAJM5QG03609@billy-club.village.org> <20001119193941.A38978@medianstrip.net> <200011200043.RAA16333@harmony.village.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On 11/19/00, Warner Losh wrote:
> In message <20001119193941.A38978@medianstrip.net> mike ryan writes:
> : i'm not entirely sure i understand.  "pnp o/s = no" causes the bios
> : to assign an irq to the pcic controller, meaning the pcic controller
> : raises that interrupt on insertions/removals, but the driver,
> : operating in polling mode, never clears the interrupt so the machine
> : wedges trying to service it?  if this is correct, how does ddb
> : manage to unwedge things?
> 
> I'm not sure.  I suspect that it is assigning other interrupts
> differently.  I'm not entirely sure.

now i definitely don't understand.  is this a response to the first
question?

how could interrupt assignments to other devices cause wedges on
card insertion events?

> : the fix in -current is the pci interrupt routing code which allows
> : us to set "pnp os = yes" in the bios and let freebsd make irq
> : assignments only for devices it understands?
> 
> FreeBSD -current doesn't support this just yet.

okay...  so what is the circa-bsdcon interrupt-related fix in
-current to which you referred then?


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-stable" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001119211914.A42618>