Alignment trap exception

[Amit Mahadik]

Hello,
       I am trying to boot linux on ARM-Cortex A9 board (Uniprocessor mode). However I am getting the following alignment exception error. I am using Code Sourcery toolchain arm_2011.03_glibc.

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..................

               m25p80 spi1.0: found m25p64, expected mx25u6435f
[    4.260000] m25p80 spi1.0: m25p64 (8192 Kbytes)
[    4.270000] Alignment trap: not handling instruction e19e7f9f at [<c00b0768>]
[    4.280000] Unhandled fault: alignment exception (0x001) at 0xc807e841
[    4.280000] Internal error: : 1 [#1] ARM
[    4.280000] Modules linked in:
[    4.280000] CPU: 0    Tainted: G        W     (3.4.14+ #22)
[    4.280000] PC is at release_pages+0x74/0x628
[    4.280000] LR is at 0xc807e841
[    4.280000] pc : [<c00b076c>]    lr : [<c807e841>]    psr: 40000013
[    4.280000] sp : c7ee5d58  ip : c7ee5da0  fp : c7ee5d9c
[    4.280000] r10: 00000000  r9 : 00000000  r8 : c7f50004
[    4.280000] r7 : c7f50004  r6 : 00000001  r5 : c7ee5d68  r4 : 00000001
[    4.280000] r3 : 00000000  r2 : 00000000  r1 : c3537c4c  r0 : c807e831
[    4.280000] Flags: nZcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[    4.280000] Control: 18c53c7d  Table: 082b8ad9  DAC: 00000015
[    4.280000] Process modprobe (pid: 32, stack limit = 0xc7ee42e8)
[    4.280000] Stack: (0xc7ee5d58 to 0xc7ee6000)
[    4.280000] 5d40:                                                       00000000 c35b4988
[    4.280000] 5d60: c3537c4c 00000000 c7ee5d68 c7ee5d68 00000000 00000001 00000001 c7f50000
[    4.280000] 5d80: c7f50004 00000001 c7ee5de4 00000000 c7ee5dc4 c7ee5da0 c00d6e7c c00b0704
[    4.280000] 5da0: c7f10000 c835e8c0 00000000 c7ee4000 c7f00034 be8b0000 c7ee5e54 c7ee5dc8
[    4.280000] 5dc0: c00eb5e8 c00d6d60 00000000 f4292244 c7f00000 bf000000 befe0000 be8d0000
[    4.280000] 5de0: 71363ddd c7f00000 00000000 00000000 beef0000 bef10000 00000001 00004000
[    4.280000] 5e00: c7f50000 24b228ae a40dcb76 4aae9af0 c00eb048 c3524070 c835e8c0 bf000000
[    4.280000] 5e20: c7ee5f68 c7f10000 c8351880 c7e03980 c835e8c0 bf000000 c7ee5f68 c7ee4000
[    4.280000] 5e40: c8351880 00000001 c7ee5ee4 c7ee5e58 c012e5e0 c00eb2f4 c835e8c0 00000080
[    4.280000] 5e60: 00000007 c7ecea00 c7ee5e9c c7ee5e78 c00c9578 c00c8ff0 00000017 c7ee5eb4
[    4.280000] 5e80: 00000000 00000000 00000001 c00eb790 c7ee5ed4 c7ee5ea0 c00eb790 c7ec1800
[    4.280000] 5ea0: 00000001 c5eb9240 c7ee5eb4 00000000 00000023 0000000f beffff9c c35103fc
[    4.280000] 5ec0: c835e8c0 fffffff8 c350f748 00000000 c012e220 c7ee5f68 c7ee5f24 c7ee5ee8
[    4.280000] 5ee0: c00eadd0 c012e22c 00000020 00000020 00000000 c7ee4000 00000080 c7ee4000
[    4.280000] 5f00: c34f27b0 c7ecea00 c835e8c0 c7ee5f68 00000000 c34f28b0 c7ee5f64 c7ee5f28
[    4.280000] 5f20: c00ec8d0 c00ead28 6b6b6b6b 00000001 c820b4b0 00000000 6b6b6b6b c7ecea00
[    4.280000] 5f40: c7ee5f68 c34f27b0 c34f28b0 00000000 00000000 00000000 c7ee5fd4 c7ee5f68
[    4.280000] 5f60: c0012dfc c00ec60c 00000000 00000000 00000000 00000000 00000000 00000000
[    4.280000] 5f80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    4.280000] 5fa0: 00000000 00000000 00000000 00000000 c7ece900 c8211040 00000000 ffffffff
[    4.280000] 5fc0: 00000000 00000000 c7ee5ff4 c7ee5fd8 c003954c c0012dc0 c7ece900 c003946c
[    4.280000] 5fe0: c000fe3c 00000013 00000000 c7ee5ff8 c000fe3c c0039478 6b6b6b6b a56b6b6b
[    4.280000] [<c00b076c>] (release_pages+0x74/0x628) from [<c00d6e7c>] (free_pages_and_swap_cache+0x128/0x1d4)
[    4.280000] [<c00d6e7c>] (free_pages_and_swap_cache+0x128/0x1d4) from [<c00eb5e8>] (setup_arg_pages+0x300/0x3b0)
[    4.280000] [<c00eb5e8>] (setup_arg_pages+0x300/0x3b0) from [<c012e5e0>] (load_elf_binary+0x3c0/0x1230)
[    4.280000] [<c012e5e0>] (load_elf_binary+0x3c0/0x1230) from [<c00eadd0>] (search_binary_handler+0xb4/0x2bc)
[    4.280000] [<c00eadd0>] (search_binary_handler+0xb4/0x2bc) from [<c00ec8d0>] (do_execve+0x2d0/0x344)
[    4.280000] [<c00ec8d0>] (do_execvet e+0x2d0/0x344) from [<c0012dfc>] (kernel_execve+0x48/0x90)
[    4.280000] [<c0012dfc>] (kernel_execve+0x48/0x90) from [<c003954c>] (____call_usermodehelper+0xe0/0x104)
[    4.280000] [<c003954c>] (____call_usermodehelper+0xe0/0x104) from [<c000fe3c>] (kernel_thread_exit+0x0/0x8)
[    4.280000] Code: 1a00016d e1a0e000 e5be2010 e19e7f9f (e2477001) 
[    4.620000] ---[ end trace 1b75b31a2719ed1d ]---

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Please let me know if I am doing something wrong?

Regards,
Amit.
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