From owner-freebsd-hackers Thu Jul 20 15:58:39 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.11/8.6.6) id PAA28065 for hackers-outgoing; Thu, 20 Jul 1995 15:58:39 -0700 Received: from cs.weber.edu (cs.weber.edu [137.190.16.16]) by freefall.cdrom.com (8.6.11/8.6.6) with SMTP id PAA28059 for ; Thu, 20 Jul 1995 15:58:36 -0700 Received: by cs.weber.edu (4.1/SMI-4.1.1) id AA03752; Thu, 20 Jul 95 16:50:53 MDT From: terry@cs.weber.edu (Terry Lambert) Message-Id: <9507202250.AA03752@cs.weber.edu> Subject: Re: FreeBSD 2.0.5 system hangs To: bde@zeta.org.au (Bruce Evans) Date: Thu, 20 Jul 95 16:50:53 MDT Cc: hm@ernie.altona.hamburg.com, freebsd-hackers@freebsd.org In-Reply-To: <199507202001.GAA06089@godzilla.zeta.org.au> from "Bruce Evans" at Jul 21, 95 06:01:23 am X-Mailer: ELM [version 2.4dev PL52] Sender: hackers-owner@freebsd.org Precedence: bulk > >> > 1) in an xterm, while scrolling, the system sometimes and totally > >> > unreproducable just hangs. This seems to occur more often the smaller > >> ... > >> Move sio3 off of irq 7. > >> > >> IRQ 7 is the garbage interrupt for untrapped interrupts. > > >I wasn't aware of this ! > > Perhaps because it isn't true. IRQ 7 is the interrupt for garbage > trapped interrupts. ------ > Using it for sio shouldn't cause a hang. Sio will > ignore any extra interrupts and recover from others. ------ I wasn't aware of this ! I thought that sio did wierd things in it's probe to cause the interrupt to be generated (a message to that effect from you a couple of days ago is what gave me that impression). Terry Lambert terry@cs.weber.edu --- Any opinions in this posting are my own and not those of my present or previous employers.