From: Clemens Koller <clemens.koller@anagramm.de>
To: linuxppc-embedded@ozlabs.org
Subject: Instruction Cache Parity Error / 2.6.10 on MPC8540
Date: Thu, 20 Jan 2005 12:24:11 +0100 [thread overview]
Message-ID: <41EF94DB.4090604@anagramm.de> (raw)
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=40000000): Instruction Cache Parity Error
Oops: machine check, sig: 7 [#1]
PREEMPT
NIP: C00054F8 LR: C01F8348 SP: C0263E70 REGS: c0232f50 TRAP: 0202 Not
tainted
MSR: 00021000 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 00
TASK = 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:
[c01f8348] schedule+0x318/0x704
[c00026c8] resume_kernel+0x38/0x5c
[c00039f8] cpu_idle+0x28/0x40
[c0001afc] rest_init+0x28/0x38
[c0264804] start_kernel+0x16c/0x1a4
[c0000364] skpinv+0x294/0x2d0
Kernel panic - not syncing: Attempted to kill the idle task!
<0>Rebooting in 180 seconds..
-----8<-------------------------------------------------------------
Does this look familiar to anybody? Any ideas where to start
debugging?
Best greets,
Clemens Koller
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next reply other threads:[~2005-01-20 11:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-20 11:24 Clemens Koller [this message]
2005-01-20 15:31 ` Instruction Cache Parity Error / 2.6.10 on MPC8540 Kumar Gala
2005-01-20 17:03 ` Clemens Koller
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