Fwd: why the linux console always print repeat message

Hi,all:
  I run linux on our arm board,when I enable the serial_console,the
printk will
always print the loop message ,though it can run to busybox start up,but what 's
wrong with it?
 if I disable the serial_console ,and enable the DEBUG_LL,it 's just
print these message once,so I am messed what's wrong of my printk?
who know the problem?thanks.

following is the message:
------------------------------------------------------------------------
# Linux version 2.6.14-awt (david@fc4) (gcc version 3.4.3) #11 Mon Oct
30 20:00:03 EST 2006
<4>CPU: ARM926EJ-Sid(wt) [41069265] revision 5 (ARMv5TEJ)
<4>Machine: ApaceWave AWT110
<4>paging_init start
<5>for_each_online_node:
<5>memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
CPU: ARM926EJ-Sid(wt) [41069265] revision 5 (ARMv5TEJ)
<4>Machine: ApaceWave AWT110
<4>paging_init start
<5>for_each_online_node:
<5>memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
Machine: ApaceWave AWT110
<4>paging_init start
<5>for_each_online_node:
<5>memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
paging_init start
<5>for_each_online_node:
<5>memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
for_each_online_node:
<5>memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
memtable_init
<4>Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
Memory policy: ECC disabled, Data cache writethrough
<5>for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
for_each_online_node: 0xc002e1a4
<7>On node 0 totalpages: 4096
<7>  DMA zone: 4096 pages, LIFO batch:1
<7>  Normal zone: 0 pages, LIFO batch:1
<7>  HighMem zone: 0 pages, LIFO batch:1
<4>request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
request_standard_resources start
<4>cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
<4>Console: colour dummy device 80x30
cpu_init()
<4>CPU0: D VIVT write-back cache
<4>CPU0: I cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>CPU0: D cache: 32768 bytes, associativity 4, 32 byte lines, 256 sets
<4>Built 1 zonelists
<5>Kernel command line: root=/dev/ram0 console=ttyS0,9600n8
<4>PID hash table entries: 128 (order: 7, 2048 bytes)
<4>1...............TIMER_CTRL:0x0
<4>2...............TIMER_CTRL:0xcc
<4>vic_unmask_irq:irq==5
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