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linux/3.3: disable crashlog on PPC 

It causes NULL pointer dereference:

[    0.638235] __ioremap(): phys addr 0x7f00000 is RAM lr c025d61c
[    0.644090] Unable to handle kernel paging request for data at address 0x00000000
[    0.651533] Faulting instruction address: 0xc025d620
[    0.656483] Oops: Kernel access of bad area, sig: 11 [#1]
[    0.661856] P1010 RDB
[    0.664113] Modules linked in:
[    0.667152] NIP: c025d620 LR: c025d61c CTR: c000dc38
[    0.672101] REGS: c7831ef0 TRAP: 0300   Not tainted  (3.3.8)
[    0.677740] MSR: 00029000 <CE,EE,ME>  CR: 42022082  XER: 20000000
[    0.683817] DEAR: 00000000, ESR: 00000000
[    0.687811] TASK = c782c000[1] 'swapper' THREAD: c7830000
[    0.693017] GPR00: a1ee0000 c7831fa0 c782c000 00000000 0000214c ffffffff c7831ea6 0001ffff
[    0.701350] GPR08: c03697cc c035fba0 c03697cc c0360000 42022022 00000000 00000000 00000000
[    0.709682] GPR16: c0000a00 00000014 3fffffff 00ffa000 00000015 07fc42bc c0360000 00000000
[    0.718015] GPR24: 00000000 00000000 00001680 c0360000 00000000 c025d5e8 c0390000 c038b824
[    0.726535] NIP [c025d620] crashlog_init_fs+0x38/0xd8
[    0.731560] LR [c025d61c] crashlog_init_fs+0x34/0xd8
[    0.736503] Call Trace:
[    0.738939] [c7831fa0] [c025d61c] crashlog_init_fs+0x34/0xd8 (unreliable)
[    0.745712] [c7831fb0] [c0001e98] do_one_initcall+0xd4/0x198
[    0.751357] [c7831fe0] [c02537f4] kernel_init+0x9c/0x120
[    0.756647] [c7831ff0] [c000c2dc] kernel_thread+0x4c/0x68
[    0.762022] Instruction dump:
[    0.764975] 3860fff4 bfc10008 3fc0c039 90010014 3bfeb824 801f0004 2f800000 41be00a0
[    0.772699] 7c030378 38804000 4bdb38cd 3c00a1ee <81630000> 6000dead 7c691b78 907eb824

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35435
owl
Gabor Juhos 2013-02-01 17:28:44 +00:00
parent fb2e2a56d7
commit d158dfc607
1 changed files with 1 additions and 1 deletions
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2
target/linux/generic/patches-3.3/930-crashlog.patch
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@ -26,7 +26,7 @@
+config CRASHLOG
+ bool "Crash logging"
+ depends on (!NO_BOOTMEM || HAVE_MEMBLOCK) && !(ARM || SPARC)
+ depends on (!NO_BOOTMEM || HAVE_MEMBLOCK) && !(ARM || SPARC || PPC)
+
config BLK_DEV_INITRD
bool "Initial RAM filesystem and RAM disk (initramfs/initrd) support"