Date: Wed, 17 Jul 2002 15:09:28 +0200 From: Gary Jennejohn <garyj@jennejohn.org> To: martin.kahlert@infineon.com Cc: Bart van Leeuwen <bart@bartsplace.net>, freebsd-isdn@FreeBSD.org Subject: Re: I can only send 30 packackes through my ISDN connection Message-ID: <200207171309.g6HD9SxQ012061@peedub.jennejohn.org> In-Reply-To: Your message of "Wed, 17 Jul 2002 14:22:25 %2B0200." <20020717142225.A32124@keksy.muc.infineon.com>
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Martin Kahlert writes: > Hi Bart, > thanks for your reply > > On Tue, Jul 16, 2002 at 06:57:19PM +0200, Bart van Leeuwen wrote: > > You might running into an IRQ conflict. > > Basicly, there are 2 modes of operation for IRQs, edge and level > > triggered. > > edge triggered IRQs are non sharable, regardless of bus type. > > level triggered IRQs are sharable, but I do not have good experience with > > sharing an ISDN card's IRQ with any other IRQs used in the system. > > This shows very clearly on SMP systems, but I can imagine the same applies > > for uniprocessor systems. > > O.k., but what can i do about that? I thought the system assigns interrupts > for PCI cards itself? > Generally the BIOS takes care of that if you don't have "PnP OS" set there. Most modern BIOSes allow you to assign specific IRQs to specific PCI slots. Look at the documentation for your BIOS (I hope you do have the documentation). In any case, I've shared IRQs between ISDN and other cards with no problems. The driver specifies that the IRQ may be shared. --- Gary Jennejohn / garyj@jennejohn.org gj@freebsd.org gj@denx.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message
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