From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3AEEF8BC.FE7CFAC@mvista.com> Date: Tue, 01 May 2001 10:56:12 -0700 From: "Mark A. Greer" MIME-Version: 1.0 To: ashish anand Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: sandpoint spurious interrupt problem. References: <12D7808A.BAC6DDED@india.infogain.com> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Did you start with the sandpoint port that is a part of linuxppc_2_5? If not, you should. If so, double-check your switch settings. Mark -- ashish anand wrote: > I am working towards porting linux on sandpoint with mpc750 > I face the problem of continious spurious interrupts on booting > as per the base code SIOint is cascaded to EPIC in level triggered > mode , problem vanishes when i change it to edge triggered mode > also recall written in some intel document that external interrupts from > 8259 or equivalent pic's should be cascaded to APIC in edge triggered > mode only > why this requirement for cascading the interrupts from 8259 or other pic's > to APIC/EPIC > any comment on this will help me much > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/