From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from az33egw02.freescale.net (az33egw02.freescale.net [192.88.158.103]) by ozlabs.org (Postfix) with ESMTP id 8404767A5C for ; Fri, 21 Jan 2005 02:31:50 +1100 (EST) In-Reply-To: <41EF94DB.4090604@anagramm.de> References: <41EF94DB.4090604@anagramm.de> Mime-Version: 1.0 (Apple Message framework v619) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Message-Id: <611DB920-6AF8-11D9-A0BF-000393DBC2E8@freescale.com> From: Kumar Gala Date: Thu, 20 Jan 2005 09:31:39 -0600 To: "Clemens Koller" Cc: linuxppc-embedded@ozlabs.org Subject: Re: Instruction Cache Parity Error / 2.6.10 on MPC8540 List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Clemens, I dont think there is really and debug to do with this. If this is=20 happening consistently it suppose to be an faulty part. What rev of=20 the silicon do you have (PVR, SVR)? - kumar On Jan 20, 2005, at 5:24 AM, Clemens Koller wrote: > Hello, > > Well, I made good progress with Kernel 2.6.10 on my target (PM854, > Microsys) which is very similar to the MPC8540_ads configuration. > But now, after working for several minutes, I ran into the following > Oops: > > -----8<------------------------------------------------------------- > root@PM854:~/openssh-3.9p1$ Machine check in kernel mode. > Caused by (from MCSR=3D40000000): Instruction Cache Parity Error > Oops: machine check, sig: 7 [#1] > PREEMPT > NIP: C00054F8 LR: C01F8348 SP: C0263E70 REGS: c0232f50 TRAP: 0202=A0=A0= =A0=20 > Not > tainted > MSR: 00021000 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00 > TASK =3D c0233720[0] 'swapper' THREAD: c0262000 > Last syscall: 120 > GPR00: C01F8348 C0263E70 C0233720 C0233720 C054C400 00000000 00000351 > 00000000 > GPR08: 00000000 00000003 C054C400 0000473A 0000AE53 00000000 10000700 > 007FFF93 > GPR16: 00000000 00000001 007FFF00 C02B0000 C02C0000 C0233884 3B9ACA00 > C02B5C78 > GPR24: 000000F4 C02B5C78 C0233720 C054C400 C02AED00 00000000 00000000 > C0263E90 > NIP [c00054f8] __switch_to+0x14/0x9c > LR [c01f8348] schedule+0x318/0x704 > Call trace: > =A0 [c01f8348] schedule+0x318/0x704 > =A0 [c00026c8] resume_kernel+0x38/0x5c > =A0 [c00039f8] cpu_idle+0x28/0x40 > =A0 [c0001afc] rest_init+0x28/0x38 > =A0 [c0264804] start_kernel+0x16c/0x1a4 > =A0 [c0000364] skpinv+0x294/0x2d0 > Kernel panic - not syncing: Attempted to kill the idle task! > =A0 <0>Rebooting in 180 seconds.. > -----8<------------------------------------------------------------- > > Does this look familiar to anybody? Any ideas where to start > debugging? > > Best greets, > > Clemens Koller > _______________________________ > R&D Imaging Devices > Anagramm GmbH > Rupert-Mayer-Str. 45/1 > 81379 Muenchen > Germany > > http://www.anagramm.de > Phone: +49-89-741518-50 > Fax: +49-89-741518-19 > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded