做过嵌入式内核移植的进来拉一把.

Question

1.在华恒9200板子上调试.
2.以下信息没有载入ramdisk.image.gz的情况下输出

谁能分析一下问题在那儿.

Uboot> go 20008000 ## Starting application at 0x20008000 ...
Uncompressing Linux............................................................. done, booting the kernel.

Linux version 2.6.15 (hmp@lemigo) (gcc version 3.4.1) #2 Sat May 27 15:31:43 CST 2006

CPU: ARM920Tid(wb) [41129200] revision 0 (ARMv4T)

Machine: Atmel AT91RM9200-DK

Memory policy: ECC disabled, Data cache writeback

Clocks: CPU 180 MHz, master 60 MHz, main 12.000 MHz

CPU0: D VIVT write-back cache

CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets

CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets

Built 1 zonelists

Kernel command line: initrd=0x20410000,32M  root=/dev/ram init=/linuxrc console=ttyS0

AT91: 128 gpio irqs in 4 banks

PID hash table entries: 512 (order: 9, 8192 bytes)

Console: colour dummy device 80x30

Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)

Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)

Memory: 64MB = 64MB total

Memory: 30096KB available (1519K code, 336K data, 88K init)

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

checking if image is initramfs...it isn't (bad gzip magic numbers); looks like an initrd

Division by zero in kernel.

Division by zero in kernel.

Division by zero in kernel.

Division by zero in kernel.

oom-killer: gfp_mask=0x200d2, order=0

Mem-info:

DMA per-cpu:

cpu 0 hot: low 0, high 18, batch 3 used:0

cpu 0 cold: low 0, high 6, batch 1 used:0

DMA32 per-cpu: empty

Normal per-cpu: empty

HighMem per-cpu: empty

Free pages:           0kB (0kB HighMem)

Active:7379 inactive:97 dirty:0 writeback:0 unstable:0 free:0 slab:52 mapped:0 pagetables:0

DMA free:0kB min:0kB low:0kB high:0kB active:29516kB inactive:388kB present:65536kB pages_scanned:15569 all_unreclaimable? no

lowmem_reserve[]: 0 0 0 0

DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

lowmem_reserve[]: 0 0 0 0

Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

lowmem_reserve[]: 0 0 0 0

HighMem free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no

lowmem_reserve[]: 0 0 0 0

DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB

DMA32: empty

Normal: empty

HighMem: empty

Free swap:            0kB

16384 pages of RAM

3 free pages

8845 reserved pages

52 slab pages

2 pages shared

0 pages swap cached

BUG: soft lockup detected on CPU#0!

Pid: 1, comm:              swapper

CPU: 0

PC is at out_of_memory+0xc8/0x194

LR is at 0xb

pc : [<c005367c>]    lr : [<0000000b>]    Not tainted

sp : c0407cf4  ip : c0407cf4  fp : c0407d20

r10: c019cd88  r9 : 00000000  r8 : 00000000

r7 : 00000000  r6 : c0403a40  r5 : 00000000  r4 : c0403a40

r3 : 00000001  r2 : 0000000b  r1 : 0000000b  r0 : 00000000

Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  Segment kernel

Control: 717F  Table: 20004000  DAC: 00000017

[<c0020830>] (show_regs+0x0/0x4c) from [<c004f4bc>] (softlockup_tick+0x64/0x7c)

r4 = C0407CAC

[<c004f458>] (softlockup_tick+0x0/0x7c) from [<c003c814>] (do_timer+0x42c/0x4ac)

r4 = C01DE6BC

[<c003c3e8>] (do_timer+0x0/0x4ac) from [<c0023a4c>] (timer_tick+0xe4/0x11c)

[<c0023968>] (timer_tick+0x0/0x11c) from [<c00289a8>] (at91rm9200_timer_interrupt+0x64/0x9

r6 = C0407CAC  r5 = C01DD670  r4 = FEFFF000

[<c0028944>] (at91rm9200_timer_interrupt+0x0/0x9 from [<c001f970>] (__do_irq+0x4c/0x8

r6 = 00000000  r5 = 00000000  r4 = C019E570

[<c001f924>] (__do_irq+0x0/0x8 from [<c001fbb0>] (do_level_IRQ+0x68/0xbc)

r8 = C0407CAC  r7 = 00000000  r6 = C0407CAC  r5 = 00000001

r4 = C01D58B8

[<c001fb48>] (do_level_IRQ+0x0/0xbc) from [<c001fc54>] (asm_do_IRQ+0x50/0x14c)

r6 = 00000001  r5 = FEFFF000  r4 = FFFFFFFF

[<c001fc04>] (asm_do_IRQ+0x0/0x14c) from [<c001e9a4>] (__irq_svc+0x24/0x60)

[<c00535b4>] (out_of_memory+0x0/0x194) from [<c00548d8>] (__alloc_pages+0x228/0x2ac)

[<c00546b0>] (__alloc_pages+0x0/0x2ac) from [<c0051980>] (generic_file_buffered_write+0x1b8/0x5ac)

[<c00517cc>] (generic_file_buffered_write+0x4/0x5ac) from [<c00524c8>] (__generic_file_aio_write_nolock+0x4cc/0x4fc)

[<c0051ffc>] (__generic_file_aio_write_nolock+0x0/0x4fc) from [<c0052574>] (__generic_file_write_nolock+0x7c/0xa

[<c00524f8>] (__generic_file_write_nolock+0x0/0xa from [<c00526d4>] (generic_file_write+0x5c/0xec)

r8 = C02979E0  r7 = C24127B4  r6 = C0410000  r5 = C2412854

r4 = C2412824

[<c0052678>] (generic_file_write+0x0/0xec) from [<c006a8d8>] (vfs_write+0xc0/0x17c)

[<c006a818>] (vfs_write+0x0/0x17c) from [<c006aa54>] (sys_write+0x4c/0x74)

[<c006aa08>] (sys_write+0x0/0x74) from [<c000e030>] (populate_rootfs+0xb4/0xe4)

r8 = 00000000  r7 = C001C204  r6 = C01D5440  r5 = C01D543C

r4 = 00000000

[<c000df7c>] (populate_rootfs+0x0/0xe4) from [<c001e0a0>] (init+0x48/0x224)

r6 = 00000000  r5 = C0406000  r4 = C001C084

[<c001e058>] (init+0x0/0x224) from [<c0035414>] (do_exit+0x0/0xa9

r7 = 00000000  r6 = 00000000  r5 = 00000000  r4 = 00000000