From: Kumar Gala <kumar.gala@freescale•com>
To: "Clemens Koller" <clemens.koller@anagramm•de>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: Instruction Cache Parity Error / 2.6.10 on MPC8540
Date: Thu, 20 Jan 2005 09:31:39 -0600 [thread overview]
Message-ID: <611DB920-6AF8-11D9-A0BF-000393DBC2E8@freescale.com> (raw)
In-Reply-To: <41EF94DB.4090604@anagramm.de>
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
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next prev parent reply other threads:[~2005-01-20 15:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-20 11:24 Instruction Cache Parity Error / 2.6.10 on MPC8540 Clemens Koller
2005-01-20 15:31 ` Kumar Gala [this message]
2005-01-20 17:03 ` Clemens Koller
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