[   94.586588] ksoftirqd/0: page allocation failure: order:0, mode:0x20
[   94.592934] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: G           O 3.10.0+ #1
[   94.600039] Backtrace: 
[   94.602512] [<c00129f8>] (dump_backtrace+0x0/0x114) from [<c0012c68>] (show_stack+0x20/0x24)
[   94.610916]  r6:cfcb6000 r5:00000000 r4:00000020 r3:271ae71c
[   94.616634] [<c0012c48>] (show_stack+0x0/0x24) from [<c056d2ec>] (dump_stack+0x24/0x28)
[   94.624613] [<c056d2c8>] (dump_stack+0x0/0x28) from [<c010c668>] (warn_alloc_failed+0xec/0x128)
[   94.633285] [<c010c57c>] (warn_alloc_failed+0x0/0x128) from [<c010fd1c>] (__alloc_pages_nodemask+0x70c/0x940)
[   94.643160]  r3:00000000 r2:00000000
[   94.646754]  r7:c07fe240 r6:00000000 r5:00000000 r4:00000020
[   94.652465] [<c010f610>] (__alloc_pages_nodemask+0x0/0x940) from [<c043ebc4>] (__netdev_alloc_frag+0x1cc/0x1e8)
[   94.662511] [<c043e9f8>] (__netdev_alloc_frag+0x0/0x1e8) from [<c044128c>] (__netdev_alloc_skb+0x84/0xe0)
[   94.672506] [<c0441208>] (__netdev_alloc_skb+0x0/0xe0) from [<bfc0134c>] (_rtw_skb_alloc+0x3c/0x40 [8812au])
[   94.682299]  r6:00000046 r5:d4af2ae8 r4:00000082 r3:00000100
[   94.688631] [<bfc01310>] (_rtw_skb_alloc+0x0/0x40 [8812au]) from [<bfc14c80>] (rtw_os_alloc_recvframe+0x6c/0xfc [8812au])
[   94.700121] [<bfc14c14>] (rtw_os_alloc_recvframe+0x0/0xfc [8812au]) from [<bfc57a2c>] (recvbuf2recvframe+0x234/0x388 [8812au])
[   94.712050] [<bfc577f8>] (recvbuf2recvframe+0x0/0x388 [8812au]) from [<bfc08438>] (usb_recv_tasklet+0x6c/0x94 [8812au])
[   94.723092] [<bfc083cc>] (usb_recv_tasklet+0x0/0x94 [8812au]) from [<c002de24>] (tasklet_action+0xa8/0x178)
[   94.732793]  r7:c07b25ec r6:00000000 r5:d4809b5c r4:d4809b58
[   94.738501] [<c002dd7c>] (tasklet_action+0x0/0x178) from [<c002cdd0>] (__do_softirq+0x164/0x344)
[   94.747245]  r8:00000000 r7:00000018 r6:c07b8098 r5:cfcb6000 r4:00000006
r3:c002dd7c
[   94.755148] [<c002cc6c>] (__do_softirq+0x0/0x344) from [<c002d018>] (run_ksoftirqd+0x68/0xdc)
[   94.763644] [<c002cfb0>] (run_ksoftirqd+0x0/0xdc) from [<c0052c34>] (smpboot_thread_fn+0x110/0x240)
[   94.772648]  r5:cfc51700 r4:cfcb6000
[   94.776252] [<c0052b24>] (smpboot_thread_fn+0x0/0x240) from [<c004a108>] (kthread+0xc4/0xc8)
[   94.784656]  r8:00000000 r7:c0052b24 r6:cfc51700 r5:00000000 r4:cfcade44
r3:cfca8540
[   94.792565] [<c004a044>] (kthread+0x0/0xc8) from [<c000e448>] (ret_from_fork+0x14/0x20)
[   94.800537]  r7:00000000 r6:00000000 r5:c004a044 r4:cfcade44
[   94.806239] Mem-info:
[   94.808503] Normal per-cpu:
[   94.811287] CPU    0: hi:   90, btch:  15 usd:   0
[   94.816056] CPU    1: hi:   90, btch:  15 usd:  14
[   94.820824] HighMem per-cpu:
[   94.823693] CPU    0: hi:   18, btch:   3 usd:   0
[   94.828463] CPU    1: hi:   18, btch:   3 usd:   0
[   94.833240] active_anon:38359 inactive_anon:138 isolated_anon:0
[   94.833240]  active_file:4407 inactive_file:15747 isolated_file:296
[   94.833240]  unevictable:0 dirty:8644 writeback:814 unstable:0
[   94.833240]  free:24064 slab_reclaimable:3878 slab_unreclaimable:5356
[   94.833240]  mapped:6988 shmem:145 pagetables:593 bounce:0
[   94.833240]  free_cma:15770
[   94.865776] Normal free:63768kB min:2000kB low:2500kB high:3000kB active_anon:128600kB inactive_anon:304kB active_file:14044kB inactive_file:36708kB unevictable:0kB isolated(anon):0kB isolated(file):1184kB present:329728kB managed:250408kB mlocked:0kB dirty:34576kB writeback:3256kB mapped:12260kB shmem:308kB slab_reclaimable:15512kB slab_unreclaimable:21424kB kernel_stack:2392kB pagetables:2372kB unstable:0kB bounce:0kB free_cma:63080kB writeback_tmp:0kB pages_scanned:599 all_unreclaimable? no
[   94.909270] lowmem_reserve[]: 0 696 696
[   94.913172] HighMem free:32460kB min:128kB low:304kB high:480kB active_anon:24836kB inactive_anon:248kB active_file:3584kB inactive_file:26316kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:89088kB managed:89088kB mlocked:0kB dirty:0kB writeback:0kB mapped:15692kB shmem:272kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[   94.953550] lowmem_reserve[]: 0 0 0
[   94.957093] Normal: 390*4kB (MC) 226*8kB (C) 225*16kB (C) 226*32kB (C) 226*64kB (C) 226*128kB (C) 14*256kB (C) 5*512kB (C) 0*1024kB 0*2048kB 0*4096kB = 63736kB
[   94.971626] HighMem: 1055*4kB (MR) 553*8kB (UMR) 231*16kB (UMR) 123*32kB (UMR) 91*64kB (UMR) 79*128kB (UMR) 1*256kB (R) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32468kB
[   94.986574] 20588 total pagecache pages
[   94.990397] 0 pages in swap cache
[   94.993702] Swap cache stats: add 0, delete 0, find 0/0
[   94.998902] Free swap  = 0kB
[   95.001770] Total swap = 0kB
[   95.005397] RTL871X: rtw_os_alloc_recvframe:can not allocate memory for skb copy