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分享如何从dmesg的信息看出程序错误啊？？
我的程序放在设备里面跑，跑个几小时程序就在进程中不见了，也就是程序跑飞掉了。我dmesg,打印，异常信息显示如下所示，以前没有碰到这种错误，能不能告诉我下面这段话告诉我 我的程序是在哪里出现问题的啊 ？？我知道大体是内存泄露引起的，能不能有高手解读得更详细一点啊？？
ai_send invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
[<c0023b40>] (dump_stack+0x0/0x14) from [<c00614f8>] (oom_kill_process+0xec/0xfc)
[<c006140c>] (oom_kill_process+0x0/0xfc) from [<c0061704>] (out_of_memory+0x104/0x214)
r7:c3261da0 r6:c0294ed8 r5:c31726a0 r4:c0294ed8
[<c0061600>] (out_of_memory+0x0/0x214) from [<c0063bd4>] (__alloc_pages+0x2ac/0x32c)
[<c0063928>] (__alloc_pages+0x0/0x32c) from [<c0065d38>] (__do_page_cache_readahead+0xe4/0x230)
[<c0065c54>] (__do_page_cache_readahead+0x0/0x230) from [<c0065f88>] (do_page_cache_readahead+0x60/0x7c)
[<c0065f28>] (do_page_cache_readahead+0x0/0x7c) from [<c005ea84>] (filemap_fault+0x2d8/0x420)
r7:00000000 r6:c2c0a90c r5:00000fff r4:0000000d
[<c005e7ac>] (filemap_fault+0x0/0x420) from [<c006da48>] (__do_fault+0x70/0x3f0)
[<c006d9d8>] (__do_fault+0x0/0x3f0) from [<c006df9c>] (handle_mm_fault+0xec/0x3e0)
[<c006deb0>] (handle_mm_fault+0x0/0x3e0) from [<c00253e0>] (do_page_fault+0xe8/0x230)
[<c00252f8>] (do_page_fault+0x0/0x230) from [<c002558c>] (do_translation_fault+0x64/0x78)
[<c0025528>] (do_translation_fault+0x0/0x78) from [<c001f268>] (do_PrefetchAbort+0x18/0x1c)
r5:00000280 r4:ffffffff
[<c001f250>] (do_PrefetchAbort+0x0/0x1c) from [<c001fdc0>] (ret_from_exception+0x0/0x10)
Exception stack(0xc3261fb0 to 0xc3261ff8)
1fa0: 001aa998 be5fbd4c 00000280 be5efa94
1fc0: be5fbd4c 00000280 001aa998 00000000 00183400 be5efac4 0017c9b4 be5fbd4c
1fe0: 0017ca34 be5eba8c 40091558 4006418c 60000010 ffffffff
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 18, btch: 3 usd: 15 Cold: hi: 6, btch: 1 usd: 1
Active:11340 inactive:1 dirty:0 writeback:0 unstable:0
free:234 slab:490 mapped:0 pagetables:41 bounce:0
DMA free:936kB min:936kB low:1168kB high:1404kB active:45360kB inactive:4kB present:54864kB pages_scanned:124902 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0
DMA: 0*4kB 1*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 936kB
Free swap: 0kB
13824 pages of RAM
290 free pages
834 reserved pages
490 slab pages
0 pages shared
0 pages swap cached
Out of memory: kill process 436 (boxs) score 801 or a child
Killed process 436 (boxs)
ai_send invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
[<c0023b40>] (dump_stack+0x0/0x14) from [<c00614f8>] (oom_kill_process+0xec/0xfc)
[<c006140c>] (oom_kill_process+0x0/0xfc) from [<c0061704>] (out_of_memory+0x104/0x214)
r7:c3261da0 r6:c0294ed8 r5:c307abc0 r4:c0294ed8
[<c0061600>] (out_of_memory+0x0/0x214) from [<c0063bd4>] (__alloc_pages+0x2ac/0x32c)
[<c0063928>] (__alloc_pages+0x0/0x32c) from [<c0065d38>] (__do_page_cache_readahead+0xe4/0x230)
[<c0065c54>] (__do_page_cache_readahead+0x0/0x230) from [<c0065f88>] (do_page_cache_readahead+0x60/0x7c)
[<c0065f28>] (do_page_cache_readahead+0x0/0x7c) from [<c005ea84>] (filemap_fault+0x2d8/0x420)
r7:00000000 r6:c2c0a90c r5:00000fff r4:0000000d
[<c005e7ac>] (filemap_fault+0x0/0x420) from [<c006da48>] (__do_fault+0x70/0x3f0)
[<c006d9d8>] (__do_fault+0x0/0x3f0) from [<c006df9c>] (handle_mm_fault+0xec/0x3e0)
[<c006deb0>] (handle_mm_fault+0x0/0x3e0) from [<c00253e0>] (do_page_fault+0xe8/0x230)
[<c00252f8>] (do_page_fault+0x0/0x230) from [<c002558c>] (do_translation_fault+0x64/0x78)
[<c0025528>] (do_translation_fault+0x0/0x78) from [<c001f268>] (do_PrefetchAbort+0x18/0x1c)
r5:00000280 r4:ffffffff
[<c001f250>] (do_PrefetchAbort+0x0/0x1c) from [<c001fdc0>] (ret_from_exception+0x0/0x10)
Exception stack(0xc3261fb0 to 0xc3261ff8)
1fa0: 001aa998 be5fbd4c 00000280 be5efa94
1fc0: be5fbd4c 00000280 001aa998 00000000 00183400 be5efac4 0017c9b4 be5fbd4c
1fe0: 0017ca34 be5eba8c 40091558 4006418c 60000010 ffffffff
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 18, btch: 3 usd: 15 Cold: hi: 6, btch: 1 usd: 1
Active:11340 inactive:29 dirty:0 writeback:0 unstable:0
free:232 slab:490 mapped:2 pagetables:41 bounce:0
DMA free:928kB min:936kB low:1168kB high:1404kB active:45360kB inactive:116kB present:54864kB pages_scanned:124902 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0
DMA: 0*4kB 0*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 928kB
Free swap: 0kB
13824 pages of RAM
288 free pages
834 reserved pages
490 slab pages
2 pages shared
0 pages swap cached
Out of memory: kill process 453 (ai_send) score 801 or a child
Killed process 453 (ai_send) 。。。。下面还有454也被killed掉了。
- error.txt 134/134 100%
ai_send invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
[<c0023b40>] (dump_stack+0x0/0x14) from [<c00614f8>] (oom_kill_process+0xec/0xfc)
[<c006140c>] (oom_kill_process+0x0/0xfc) from [<c0061704>] (out_of_memory+0x104/0x214)
r7:c3261da0 r6:c0294ed8 r5:c31726a0 r4:c0294ed8
[<c0061600>] (out_of_memory+0x0/0x214) from [<c0063bd4>] (__alloc_pages+0x2ac/0x32c)
[<c0063928>] (__alloc_pages+0x0/0x32c) from [<c0065d38>] (__do_page_cache_readahead+0xe4/0x230)
[<c0065c54>] (__do_page_cache_readahead+0x0/0x230) from [<c0065f88>] (do_page_cache_readahead+0x60/0x7c)
[<c0065f28>] (do_page_cache_readahead+0x0/0x7c) from [<c005ea84>] (filemap_fault+0x2d8/0x420)
r7:00000000 r6:c2c0a90c r5:00000fff r4:0000000d
[<c005e7ac>] (filemap_fault+0x0/0x420) from [<c006da48>] (__do_fault+0x70/0x3f0)
[<c006d9d8>] (__do_fault+0x0/0x3f0) from [<c006df9c>] (handle_mm_fault+0xec/0x3e0)
[<c006deb0>] (handle_mm_fault+0x0/0x3e0) from [<c00253e0>] (do_page_fault+0xe8/0x230)
[<c00252f8>] (do_page_fault+0x0/0x230) from [<c002558c>] (do_translation_fault+0x64/0x78)
[<c0025528>] (do_translation_fault+0x0/0x78) from [<c001f268>] (do_PrefetchAbort+0x18/0x1c)
r5:00000280 r4:ffffffff
[<c001f250>] (do_PrefetchAbort+0x0/0x1c) from [<c001fdc0>] (ret_from_exception+0x0/0x10)
Exception stack(0xc3261fb0 to 0xc3261ff8)
1fa0: 001aa998 be5fbd4c 00000280 be5efa94
1fc0: be5fbd4c 00000280 001aa998 00000000 00183400 be5efac4 0017c9b4 be5fbd4c
1fe0: 0017ca34 be5eba8c 40091558 4006418c 60000010 ffffffff
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 18, btch: 3 usd: 15 Cold: hi: 6, btch: 1 usd: 1
Active:11340 inactive:1 dirty:0 writeback:0 unstable:0
free:234 slab:490 mapped:0 pagetables:41 bounce:0
DMA free:936kB min:936kB low:1168kB high:1404kB active:45360kB inactive:4kB present:54864kB pages_scanned:124902 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0
DMA: 0*4kB 1*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 936kB
Free swap: 0kB
13824 pages of RAM
290 free pages
834 reserved pages
490 slab pages
0 pages shared
0 pages swap cached
Out of memory: kill process 436 (boxs) score 801 or a child
Killed process 436 (boxs)
ai_send invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=0
[<c0023b40>] (dump_stack+0x0/0x14) from [<c00614f8>] (oom_kill_process+0xec/0xfc)
[<c006140c>] (oom_kill_process+0x0/0xfc) from [<c0061704>] (out_of_memory+0x104/0x214)
r7:c3261da0 r6:c0294ed8 r5:c307abc0 r4:c0294ed8
[<c0061600>] (out_of_memory+0x0/0x214) from [<c0063bd4>] (__alloc_pages+0x2ac/0x32c)
[<c0063928>] (__alloc_pages+0x0/0x32c) from [<c0065d38>] (__do_page_cache_readahead+0xe4/0x230)
[<c0065c54>] (__do_page_cache_readahead+0x0/0x230) from [<c0065f88>] (do_page_cache_readahead+0x60/0x7c)
[<c0065f28>] (do_page_cache_readahead+0x0/0x7c) from [<c005ea84>] (filemap_fault+0x2d8/0x420)
r7:00000000 r6:c2c0a90c r5:00000fff r4:0000000d
[<c005e7ac>] (filemap_fault+0x0/0x420) from [<c006da48>] (__do_fault+0x70/0x3f0)
[<c006d9d8>] (__do_fault+0x0/0x3f0) from [<c006df9c>] (handle_mm_fault+0xec/0x3e0)
[<c006deb0>] (handle_mm_fault+0x0/0x3e0) from [<c00253e0>] (do_page_fault+0xe8/0x230)
[<c00252f8>] (do_page_fault+0x0/0x230) from [<c002558c>] (do_translation_fault+0x64/0x78)
[<c0025528>] (do_translation_fault+0x0/0x78) from [<c001f268>] (do_PrefetchAbort+0x18/0x1c)
r5:00000280 r4:ffffffff
[<c001f250>] (do_PrefetchAbort+0x0/0x1c) from [<c001fdc0>] (ret_from_exception+0x0/0x10)
Exception stack(0xc3261fb0 to 0xc3261ff8)
1fa0: 001aa998 be5fbd4c 00000280 be5efa94
1fc0: be5fbd4c 00000280 001aa998 00000000 00183400 be5efac4 0017c9b4 be5fbd4c
1fe0: 0017ca34 be5eba8c 40091558 4006418c 60000010 ffffffff
Mem-info:
DMA per-cpu:
CPU 0: Hot: hi: 18, btch: 3 usd: 15 Cold: hi: 6, btch: 1 usd: 1
Active:11340 inactive:29 dirty:0 writeback:0 unstable:0
free:232 slab:490 mapped:2 pagetables:41 bounce:0
DMA free:928kB min:936kB low:1168kB high:1404kB active:45360kB inactive:116kB present:54864kB pages_scanned:124902 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0
DMA: 0*4kB 0*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 928kB
Free swap: 0kB
13824 pages of RAM
288 free pages
834 reserved pages
490 slab pages
2 pages shared
0 pages swap cached
Out of memory: kill process 453 (ai_send) score 801 or a child
Killed process 453 (ai_send) 。。。。下面还有454也被killed掉了。
- error.txt 134/134 100%
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Linux-Torvalds 2011-10-12
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dmesg只是显示开机信息吧？
