From owner-freebsd-questions Thu Nov 5 00:31:11 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id AAA04552 for freebsd-questions-outgoing; Thu, 5 Nov 1998 00:31:11 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from dingo.cdrom.com (castles186.castles.com [208.214.165.186]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id AAA04544; Thu, 5 Nov 1998 00:31:09 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Received: from dingo.cdrom.com (LOCALHOST [127.0.0.1]) by dingo.cdrom.com (8.9.1/8.8.8) with ESMTP id AAA00972; Thu, 5 Nov 1998 00:30:27 -0800 (PST) (envelope-from mike@dingo.cdrom.com) Message-Id: <199811050830.AAA00972@dingo.cdrom.com> X-Mailer: exmh version 2.0.2 2/24/98 To: Etienne de Bruin cc: freebsd-hackers@FreeBSD.ORG (Hackers FreeBSD), questions@FreeBSD.ORG Subject: Re: interrupt handler discrepancy In-reply-to: Your message of "Wed, 04 Nov 1998 14:11:36 +0100." <199811041311.OAA04022@borg.kryptokom.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 05 Nov 1998 00:30:26 -0800 From: Mike Smith Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > i install my interrupt handler using pci_map_int(). > > when using ioctl call to my pci device driver and issuing an interrupt, > the interupt handler gets > called - no problem. my crypt device driver gets called from user space > in this case. > > but when using my crypt card together with two network interfaces, when > i issue an interrupt, my _intr function does not get called for some > reason. my crypt device driver gets called from within the kernel in this > case. > > all i can think is that for some reasons the network cards do splxxx() > to such an extent that my interupt handler never gets a chance .. is this > possible? No. It's possible that your test is not seeing that your interrrupt is being called, but shared interrupts are known to work (albeit inefficiently). -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message