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54 lines
2.0 KiB
Diff
54 lines
2.0 KiB
Diff
From 107b76e67aa0447fc4ea5594823f8ffd2699fbc7 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Thu, 20 Dec 2012 14:22:38 +0100
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Subject: [PATCH] powerpc: add missing NULL terminator to avoid boot panic on
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PPC40x
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The missing NULL terminator can cause a panic on
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PPC405 boards during boot:
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Linux/PowerPC load: console=ttyS0,115200 root=/dev/mtdblock1 rootfstype=squashfs,jffs2 noinitrd init=/etc/preinit
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Finalizing device tree... flat tree at 0x6a5160
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bootconsole [udbg0] enabled
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Page fault in user mode with in_atomic() = 1 mm = (null)
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NIP = c0275f50 MSR = fffffffe
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Oops: Weird page fault, sig: 11 [#1]
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PowerPC 40x Platform
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Modules linked in:
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NIP: c0275f50 LR: c0275f60 CTR: c0280000
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REGS: c0275eb0 TRAP: 636f7265 Not tainted (3.7.1)
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MSR: fffffffe <VEC,VSX,EE,PR,FP,ME,SE,BE,IR,DR,PMM,RI> CR: c06a6190 XER: 00000001
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TASK = c02662a8[0] 'swapper' THREAD: c0274000
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GPR00: c0275ec0 c000c658 c027c4bf 00000000 c0275ee0 c000a0ec c020a1a8 c020a1f0
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GPR08: c020f631 c020f404 c025f078 c025f080 c0275f10
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Call Trace:
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---[ end trace 31fd0ba7d8756001 ]---
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Kernel panic - not syncing: Attempted to kill the idle task!
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The panic happens since commit 9597abe00c1bab2aedce6b49866bf6d1e81c9eed
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(sections: fix section conflicts in arch/powerpc), however the root
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cause of this is that the NULL terminator were not added in commit
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a4f740cf33f7f6c164bbde3c0cdbcc77b0c4997c (of/flattree: Add of_flat_dt_match()
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helper function).
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Cc: Grant Likely <grant.likely@secretlab.ca>
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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---
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arch/powerpc/platforms/40x/ppc40x_simple.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/arch/powerpc/platforms/40x/ppc40x_simple.c
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+++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
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@@ -57,7 +57,8 @@ static const char * const board[] __init
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"amcc,makalu",
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"apm,klondike",
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"est,hotfoot",
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- "plathome,obs600"
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+ "plathome,obs600",
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+ NULL
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};
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static int __init ppc40x_probe(void)
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