Hello everyone,
Thers are some kernel errors will occur in my beagleboard xm as follow:
[ 399.759704] swapper: page allocation failure. order:3, mode:0x20
[ 399.765777] [<c00919cc>] (unwind_backtrace+0x0/0xdc) from [<c00e8e90>] (__alloc_pages_nodemask+0x480/0x4dc)
[ 399.775573] [<c00e8e90>] (__alloc_pages_nodemask+0x480/0x4dc) from [<c0105664>] (cache_alloc_refill+0x238/0x4bc)
[ 399.785827] [<c0105664>] (cache_alloc_refill+0x238/0x4bc) from [<c0105970>] (__kmalloc+0x88/0xc8)
[ 399.794738] [<c0105970>] (__kmalloc+0x88/0xc8) from [<c03125b4>] (__alloc_skb+0x44/0xf4)
[ 399.802886] [<c03125b4>] (__alloc_skb+0x44/0xf4) from [<c025c5f0>] (rx_submit+0x24/0x1b4)
[ 399.811096] [<c025c5f0>] (rx_submit+0x24/0x1b4) from [<c0263200>] (usb_hcd_giveback_urb+0xa4/0xf0)
[ 399.820098] [<c0263200>] (usb_hcd_giveback_urb+0xa4/0xf0) from [<c0272258>] (qh_completions+0xb4/0x3e4)
[ 399.829559] [<c0272258>] (qh_completions+0xb4/0x3e4) from [<c0273970>] (ehci_work+0xc8/0x880)
[ 399.838104] [<c0273970>] (ehci_work+0xc8/0x880) from [<c0275fbc>] (ehci_irq+0x17c/0x1a0)
[ 399.846252] [<c0275fbc>] (ehci_irq+0x17c/0x1a0) from [<c0262c04>] (usb_hcd_irq+0x38/0x90)
[ 399.854461] [<c0262c04>] (usb_hcd_irq+0x38/0x90) from [<c00df780>] (handle_IRQ_event+0x34/0xf4)
[ 399.863220] [<c00df780>] (handle_IRQ_event+0x34/0xf4) from [<c00e110c>] (handle_level_irq+0x88/0xec)
[ 399.872406] [<c00e110c>] (handle_level_irq+0x88/0xec) from [<c008b070>] (asm_do_IRQ+0x70/0x90)
[ 399.881072] [<c008b070>] (asm_do_IRQ+0x70/0x90) from [<c008ba70>] (__irq_svc+0x30/0x80)
[ 399.889099] Exception stack(0xc04d5f80 to 0xc04d5fc8)
[ 399.894165] 5f80: 00000000 60000013 058ff955 00000000 c04d4000 c0516c5c c002a014 c04d7cb8
[ 399.902404] 5fa0: 80027aa4 413fc082 0000001f 00000000 c04d9e70 c04d5fc8 c009bdc8 c009c5d8
[ 399.910614] 5fc0: 60000013 ffffffff
[ 399.914123] [<c008ba70>] (__irq_svc+0x30/0x80) from [<c009c5d8>] (omap3_pm_idle+0x48/0x4c)
[ 399.922424] [<c009c5d8>] (omap3_pm_idle+0x48/0x4c) from [<c008d70c>] (cpu_idle+0x48/0x88)
[ 399.930633] [<c008d70c>] (cpu_idle+0x48/0x88) from [<c0008a68>] (start_kernel+0x234/0x28c)
[ 399.938964] [<c0008a68>] (start_kernel+0x234/0x28c) from [<80008034>] (0x80008034)
[ 399.946563] Mem-info:
[ 399.948822] Normal per-cpu:
[ 399.951629] CPU 0: hi: 90, btch: 15 usd: 82
[ 399.956451] active_anon:8491 inactive_anon:9767 isolated_anon:0
[ 399.956451] active_file:10002 inactive_file:7599 isolated_file:0
[ 399.956451] unevictable:0 dirty:0 writeback:0 unstable:0
[ 399.956481] free:4206 slab_reclaimable:659 slab_unreclaimable:862
[ 399.956481] mapped:12603 shmem:69 pagetables:1736 bounce:0
[ 399.985748] Normal free:16824kB min:2036kB low:2544kB high:3052kB active_anon:33964kB inactive_anon:39068kB active_file:40008
kB inactive_file:30396kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:260096kB mlocked:0kB dirty:0kB writeback:
0kB mapped:50412kB shmem:276kB slab_reclaimable:2636kB slab_unreclaimable:3448kB kernel_stack:1920kB pagetables:6944kB unstable:
0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[ 400.025543] lowmem_reserve[]: 0 0
[ 400.028869] Normal: 3674*4kB 222*8kB 22*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16824kB
[ 400.039794] 17670 total pagecache pages
[ 400.043640] 0 pages in swap cache
[ 400.046966] Swap cache stats: add 0, delete 0, find 0/0
[ 400.052215] Free swap = 0kB
[ 400.055084] Total swap = 0kB
[ 400.064544] 65536 pages of RAM
[ 400.067626] 5787 free pages
[ 400.070404] 15052 reserved pages
[ 400.073638] 1521 slab pages
[ 400.076446] 89702 pages shared
[ 400.079498] 0 pages swap cached
Could anybody give me some suggestion?
Thanks,
Yanbin Yue
