kernel 부팅 error -

mach-mango210.c

#if defined(CONFIG_PM)

s3c_pm_init;

#endif

plat-samsung/pm.c(456)

s3c_pm_init 함수 정의를 보면 pmstats_init() 코드가 있음.

int __init s3c_pm_init(void)

{

        printk("S3C Power Management, Copyright 2004 Simtec Electronics\n");

        pmstats_init();

        suspend_set_ops(&s3c_pm_ops);

        return 0;

}

plat-samsung/pm.c

pmstats_init 함수 정의를 보면 debugfs_create_file이라는 함수가 있음.

debugfs는 파일 시스템 복구 명령이고, 커널 설정 CONFIG_DEBUF_FS가 활성화 되어야 함.

debugfs : fs/debugfs/inode.c(219)

void __init pmstats_init(void)

{

//      pr_info("pmstats at %08x\n", pm_debug_scratchpad);

//      if (pm_debug_scratchpad)

//              pmstats = ioremap(pm_debug_scratchpad, 4096);

//      else

                pmstats = kzalloc(4096, GFP_ATOMIC);

        if (!memcmp(pmstats->magic, PMSTATS_MAGIC, 16)) {

                pmstats_last = kzalloc(4096, GFP_ATOMIC);

                if (pmstats_last)

                        memcpy(pmstats_last, pmstats, 4096);        }

        memset(pmstats, 0, 4096);

        memcpy(pmstats->magic, PMSTATS_MAGIC, 16);

        debugfs_create_file("pmstats", 0444, NULL, pmstats, &pmstats_ops);

        if (pmstats_last)

                debugfs_create_file("pmstats_last", 0444, NULL, pmstats_last, &p

mstats_ops);

}

[    0.622316] Unhandled fault: alignment exception (0x001) at 0xc058a075

[    0.628806] Internal error: : 1 [#1] PREEMPT

[    0.633037] last sysfs file: 

[    0.635984] Modules linked in:

[    0.639020] CPU: 0    Not tainted  (2.6.35.7 #8)

[    0.643623] PC is at pmstats_init+0x78/0xec

[    0.647778] LR is at __func__.18359+0x7a642/0xb88a9

[    0.652626] pc : [<c000fc24>]    lr : [<c058a085>]    psr: 60000013

[    0.652633] sp : efc2ff50  ip : efc09000  fp : efc2ff6c

[    0.664061] r10: 00000000  r9 : 00000000  r8 : 00000000

[    0.669262] r7 : 00000001  r6 : c000b478  r5 : c0008a34  r4 : c0629130

[    0.675761] r3 : efc09000  r2 : c058a075  r1 : 00000000  r0 : efc0a000

[    0.682262] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel

[    0.689541] Control: 10c5387f  Table: 20004019  DAC: 00000017

[    1.534107] Backtrace: 

[    1.536545] [<c000fbac>] (pmstats_init+0x0/0xec) from [<c000fcb0>] (s3c_pm_init+0x18/0x30)

[    1.544767]  r4:c05f8700

[    1.547288] [<c000fc98>] (s3c_pm_init+0x0/0x30) from [<c000e4a4>] (mango210_machine_init+0xf8/0x364)

[    1.556388] [<c000e3ac>] (mango210_machine_init+0x0/0x364) from [<c000b498>] (customize_machine+0x20/0x2c)

[    1.565998]  r4:c00222ac

[    1.568524] [<c000b478>] (customize_machine+0x0/0x2c) from [<c00294c4>] (do_one_initcall+0x68/0x1b0)

[    1.577618] [<c002945c>] (do_one_initcall+0x0/0x1b0) from [<c0008ae4>] (kernel_init+0xb0/0x170)

[    1.586276]  r7:00000013 r6:c004f0a4 r5:c0008a34 r4:c00222ac

[    1.591917] [<c0008a34>] (kernel_init+0x0/0x170) from [<c004f0a4>] (do_exit+0x0/0x5b4)

[    1.599794]  r4:00000000 r3:00000000

[    1.603354] Code: e5943048 e59f2068 e1a0c003 e282e010 (e5920000) 

[    1.609460] Unhandled fault: alignment exception (0x801) at 0xefc2fd96

[    1.615925] Internal error: : 801 [#2] PREEMPT

[    1.620332] last sysfs file: 

[    1.623278] Modules linked in:

[    1.626314] CPU: 0    Tainted: G      D      (2.6.35.7 #8)

[    1.631775] PC is at extract_buf+0xc4/0xe8

[    1.635845] LR is at 0x0

[    1.638361] pc : [<c01c9dd8>]    lr : [<00000000>]    psr: 60000113

[    1.638367] sp : efc2fbd8  ip : 00000000  fp : efc2fd8c

[    1.649797] r10: 00000000  r9 : 20000113  r8 : 00000000

[    1.654997] r7 : c061a350  r6 : 00000020  r5 : efc2fd96  r4 : efc2fd5c

[    1.661496] r3 : efc2fd64  r2 : ff8f579c  r1 : 1b75b31a  r0 : 2719ed1c

[    1.667996] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel

[    1.675276] Control: 10c5387f  Table: 20004019  DAC: 00000017