From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 28 Feb 2001 17:12:03 -0700 From: Matt Porter To: Stefano Coluccini Cc: linuxppc-dev@lists.linuxppc.org Subject: Re: Bogus interrupt Message-ID: <20010228171203.A29030@beef.az.mvista.com> References: <20010227051445.A32137@cx258813-a.chnd1.az.home.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: ; from s.coluccini@caen.it on Wed, Feb 28, 2001 at 09:29:18AM +0100 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Wed, Feb 28, 2001 at 09:29:18AM +0100, Stefano Coluccini wrote: > > > Hi everyone, > > > I'm trying to run kernel 2.5 on Motorola MVME5100 and, after the sti > > > istruction in start_kernel, the kernel hangs due to a spurious > > interrupt. > > > (Bogus interrupt -1) > > > Is this a well-known problem also in other ports ? or have > > anyone of you a > > > suggestion to solve this ? > > > > If you are using the default openpic initsenses in prep_pci.c then you > > might see this problem since MPIC input 1 now has the 550 UART. You'll > > need to change the initsenses since the edge triggered ECC interrupt > > used to be on input 1 on the older boards. > > > I've started working on MCPN765 port, since I think MVME5100 is an MCPN765 > with a VME Bridge and without an ISA bridge, so I think the senses of > interrupt are correct because the 5100 and the 765 manual page related to > the interrupt senses is exactly the same (or it is a cut&paste error ??? :)) > However this problem, like many other I've encountered, are all due to a bad > cross-compiler :(. I start working today with a good environment after a > month of nightmares ! Ok, I finally got time today to powerup the 5100 that's been laying around here. I just pushed the port to the linuxppc_2_5 tree. Hopefully this saves some effort for others. -- Matt Porter MontaVista Software, Inc. mporter@mvista.com ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/