Hi,
I'm getting the following error message during the installation of a module pwm:
[root@cashdev mod]# insmod Pwm.ko
[89268.225494] [pwm] Successful! MAJOR: 244 MINOR: 0.
[89268.232055] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfb03e024
[89268.240203] Internal error: : 1028 [#1]
[89268.244232] last sysfs file: /sys/devices/virtual/sinalizadora/sinalizadora/dev
[89268.251892] Modules linked in: Pwm Sinalizadora Pmt Presenter Led Canal Acionamento Atuadores Gpio
[89268.261352] CPU: 0 Tainted: G W (2.6.37-cashdev-20120627 #10)
[89268.268585] PC is at disable_timer8_pwm+0x14/0x38 [Pwm]
[89268.274108] LR is at run_timer_softirq+0x270/0x378
[89268.279113] pc : [<bf0321e8>] lr : [<c00746a0>] psr: 60000113
[89268.279144] sp : cfbe1e48 ip : cfbe1d88 fp : cfbda0b8
[89268.291168] r10: bf0321d4 r9 : 00000100 r8 : 00000000
[89268.296661] r7 : c060f860 r6 : cfbe0000 r5 : c0624bc0 r4 : bf032bf8
[89268.303497] r3 : fb03e000 r2 : c0b5f810 r1 : 0000010c r0 : 0000003a
[89268.310363] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[89268.317840] Control: 10c5387d Table: 8fb5c019 DAC: 00000015
[89268.323883] Process insmod (pid: 547, stack limit = 0xcfbe02f0)
[89268.330078] Stack: (0xcfbe1e48 to 0xcfbe2000)
[89268.334655] 1e40: bf032bfc c00746a0 00000002 00000000 c00745fc c009077c
[89268.343261] 1e60: cfbe1e98 cfbe1e80 00000000 c06253f4 c06255f4 c06257f4 c06259f4 00000000
[89268.351837] 1e80: bf032d7c c0650698 00000000 bf0328ab 00000000 00000000 bf032ce0 bf032ce0
[89268.360412] 1ea0: cfbda0c0 cfbe0000 00000001 00000004 c0624980 c060f7c0 00000001 00000100
[89268.369018] 1ec0: cfbda0b8 c006e398 c0032074 60000193 00000000 0000000a 00000001 00000025
[89268.377593] 1ee0: 00000000 cfbe1f6c 00000001 00000001 cfbda2ac 00000001 cfbda0b8 c006e500
[89268.386169] 1f00: 00000025 c0032078 ffffffff fa200000 cfbe1f6c c033e1f8 00000001 00000004
[89268.394775] 1f20: cfbe1f50 0000097e c0470000 00000011 cfbe1f6c 00000001 00000001 cfbda2ac
[89268.403350] 1f40: 00000001 cfbda0b8 cfbe1f40 cfbe1f60 c0095660 c033d928 20000013 ffffffff
[89268.411956] 1f60: cfbda0c0 c006bce0 c05e46d0 cfbe1f6c cfbe1f6c cfbda2f4 4028456c 00000000
[89268.420532] 1f80: 00000000 4028456c 00000001 c003c8c8 cfbe0000 00000000 00000000 c006be78
[89268.429138] 1fa0: 00000000 c003c700 00000000 00000000 00000000 402807b8 00000000 00000210
[89268.437744] 1fc0: 00000000 00000000 4028456c 00000001 000a57d0 0000cef0 bea36d20 00000000
[89268.446319] 1fe0: 00000000 bea36cd0 4027b028 40247090 60000010 00000000 00000000 00000000
[89268.454925] [<bf0321e8>] (disable_timer8_pwm+0x14/0x38 [Pwm]) from [<c00746a0>] (run_timer_softirq+0x270/0x378)
[89268.465515] [<c00746a0>] (run_timer_softirq+0x270/0x378) from [<c006e398>] (__do_softirq+0xd0/0x1e8)
[89268.475128] [<c006e398>] (__do_softirq+0xd0/0x1e8) from [<c006e500>] (irq_exit+0x50/0x9c)
[89268.483734] [<c006e500>] (irq_exit+0x50/0x9c) from [<c0032078>] (asm_do_IRQ+0x78/0x98)
[89268.492034] [<c0032078>] (asm_do_IRQ+0x78/0x98) from [<c033e1f8>] (__irq_svc+0x38/0xa0)
[89268.500457] Exception stack(0xcfbe1f18 to 0xcfbe1f60)
[89268.505767] 1f00: 00000001 00000004
[89268.514343] 1f20: cfbe1f50 0000097e c0470000 00000011 cfbe1f6c 00000001 00000001 cfbda2ac
[89268.522918] 1f40: 00000001 cfbda0b8 cfbe1f40 cfbe1f60 c0095660 c033d928 20000013 ffffffff
[89268.531524] [<c033e1f8>] (__irq_svc+0x38/0xa0) from [<c033d928>] (_raw_write_unlock_irq+0x28/0x2c)
[89268.540924] [<c033d928>] (_raw_write_unlock_irq+0x28/0x2c) from [<c006bce0>] (do_exit+0x5b4/0x664)
[89268.550323] [<c006bce0>] (do_exit+0x5b4/0x664) from [<c006be78>] (complete_and_exit+0x0/0x1c)
[89268.559295] [<c006be78>] (complete_and_exit+0x0/0x1c) from [<c003c700>] (ret_fast_syscall+0x0/0x3c)
[89268.568786] Code: e59f4028 e3a0003a e3a01f43 e5943134 (e5932024)
[89268.575256] ---[ end trace 1b75b31a2719ed1f ]---
[89268.580108] Kernel panic - not syncing: Fatal exception in interrupt
[89268.586853] [<c0042498>] (unwind_backtrace+0x0/0xf0) from [<c033a994>] (panic+0x58/0x17c)
[89268.595489] [<c033a994>] (panic+0x58/0x17c) from [<c0040864>] (die+0x2cc/0x324)
[89268.603210] [<c0040864>] (die+0x2cc/0x324) from [<c00322d4>] (do_DataAbort+0x80/0x94)
[89268.611480] [<c00322d4>] (do_DataAbort+0x80/0x94) from [<c033e1ac>] (__dabt_svc+0x4c/0x60)
[89268.620178] Exception stack(0xcfbe1e00 to 0xcfbe1e48)
[89268.625518] 1e00: 0000003a 0000010c c0b5f810 fb03e000 bf032bf8 c0624bc0 cfbe0000 c060f860
[89268.634124] 1e20: 00000000 00000100 bf0321d4 cfbda0b8 cfbe1d88 cfbe1e48 c00746a0 bf0321e8
[89268.642730] 1e40: 60000113 ffffffff
[89268.646453] [<c033e1ac>] (__dabt_svc+0x4c/0x60) from [<bf0321e8>] (disable_timer8_pwm+0x14/0x38 [Pwm])
[89268.656280] [<bf0321e8>] (disable_timer8_pwm+0x14/0x38 [Pwm]) from [<c00746a0>] (run_timer_softirq+0x270/0x378)
[89268.666900] [<c00746a0>] (run_timer_softirq+0x270/0x378) from [<c006e398>] (__do_softirq+0xd0/0x1e8)
[89268.676513] [<c006e398>] (__do_softirq+0xd0/0x1e8) from [<c006e500>] (irq_exit+0x50/0x9c)
[89268.685119] [<c006e500>] (irq_exit+0x50/0x9c) from [<c0032078>] (asm_do_IRQ+0x78/0x98)
[89268.693481] [<c0032078>] (asm_do_IRQ+0x78/0x98) from [<c033e1f8>] (__irq_svc+0x38/0xa0)
[89268.701904] Exception stack(0xcfbe1f18 to 0xcfbe1f60)
[89268.707214] 1f00: 00000001 00000004
[89268.715850] 1f20: cfbe1f50 0000097e c0470000 00000011 cfbe1f6c 00000001 00000001 cfbda2ac
[89268.724456] 1f40: 00000001 cfbda0b8 cfbe1f40 cfbe1f60 c0095660 c033d928 20000013 ffffffff
[89268.733093] [<c033e1f8>] (__irq_svc+0x38/0xa0) from [<c033d928>] (_raw_write_unlock_irq+0x28/0x2c)
[89268.742523] [<c033d928>] (_raw_write_unlock_irq+0x28/0x2c) from [<c006bce0>] (do_exit+0x5b4/0x664)
[89268.751983] [<c006bce0>] (do_exit+0x5b4/0x664) from [<c006be78>] (complete_and_exit+0x0/0x1c)
[89268.760955] [<c006be78>] (complete_and_exit+0x0/0x1c) from [<c003c700>] (ret_fast_syscall+0x0/0x3c)
Analyzing this LOG Somebody can help me?
Thanks,
Cleiton
