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 ([EMAIL PROTECTED]) (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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/