iwlagn 0000:03:00.0: Can not allocate SKB buffers

[ZhengPeng Hou]

after beed used for 4-5 hrs, iwlagn will crash, dmesg showed as below
[25318.639914] Pid: 0, comm: swapper Tainted: G C 2.6.31-13-generic #45-Ubuntu
[25318.639914] Call Trace:
[25318.639914] <IRQ> [<ffffffff810dc7cc>] __alloc_pages_slowpath+0x4cc/0x4e0
[25318.639914] [<ffffffff810dc92e>] __alloc_pages_nodemask+0x14e/0x150
[25318.639914] [<ffffffff8110dd5a>] kmalloc_large_node+0x5a/0xb0
[25318.639914] [<ffffffff81111f05>] __kmalloc_node_track_caller+0x135/0x180
[25318.639914] [<ffffffffa0272899>] ? iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[25318.639914] [<ffffffff81428d18>] ? skb_queue_tail+0x48/0x60
[25318.639914] [<ffffffff8142a24b>] __alloc_skb+0x7b/0x180
[25318.639914] [<ffffffffa0272899>] iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[25318.639914] [<ffffffffa0272466>] ? iwl_rx_reply_rx+0x1f6/0x2e0 [iwlcore]
[25318.639914] [<ffffffffa0273c36>] iwl_rx_replenish_now+0x16/0x30 [iwlcore]
[25318.639914] [<ffffffffa02a44ba>] iwl_rx_handle+0x24a/0x2f0 [iwlagn]
[25318.639914] [<ffffffffa02a4ad8>] iwl_irq_tasklet+0x138/0x480 [iwlagn]
[25318.639914] [<ffffffff8105fe60>] tasklet_action+0xd0/0xe0
[25318.639914] [<ffffffff8106141d>] __do_softirq+0xbd/0x200
[25318.639914] [<ffffffff8101318c>] call_softirq+0x1c/0x30
[25318.639914] [<ffffffff81014945>] do_softirq+0x55/0x90
[25318.639914] [<ffffffff81061185>] irq_exit+0x85/0x90
[25318.639914] [<ffffffff81014080>] do_IRQ+0x70/0xe0
[25318.639914] [<ffffffff810129d3>] ret_from_intr+0x0/0x11
[25318.639914] <EOI> [<ffffffff812d3e21>] ? acpi_idle_enter_bm+0x28b/0x2bf
[25318.639914] [<ffffffff812d3e1a>] ? acpi_idle_enter_bm+0x284/0x2bf
[25318.639914] [<ffffffff813fa23b>] ? cpuidle_idle_call+0x9b/0xf0
[25318.639914] [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
[25318.639914] [<ffffffff81510a76>] ? rest_init+0x66/0x70
[25318.639914] [<ffffffff81832d47>] ? start_kernel+0x352/0x35b
[25318.639914] [<ffffffff8183229a>] ? x86_64_start_reservations+0x125/0x129
[25318.639914] [<ffffffff81832398>] ? x86_64_start_kernel+0xfa/0x109
[25318.639914] Mem-Info:
[25318.639914] Node 0 DMA per-cpu:
[25318.639914] CPU 0: hi: 0, btch: 1 usd: 0
[25318.639914] CPU 1: hi: 0, btch: 1 usd: 0
[25318.639914] Node 0 DMA32 per-cpu:
[25318.639914] CPU 0: hi: 186, btch: 31 usd: 0
[25318.639914] CPU 1: hi: 186, btch: 31 usd: 0
[25318.639914] Node 0 Normal per-cpu:
[25318.639914] CPU 0: hi: 186, btch: 31 usd: 28
[25318.639914] CPU 1: hi: 186, btch: 31 usd: 30
[25318.639914] Active_anon:424388 active_file:148505 inactive_anon:163725
[25318.639914] inactive_file:163669 unevictable:1097 dirty:135434 writeback:357 unstable:0
[25318.639914] free:9296 slab:28185 mapped:38953 pagetables:10615 bounce:0
[25318.639914] Node 0 DMA free:15632kB min:28kB low:32kB high:40kB active_anon:0kB inactive_anon:0kB active_file:260kB inactive_file:0kB unevictable:0kB present:15336kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 2958 3905 3905
[25318.639914] Node 0 DMA32 free:13604kB min:6044kB low:7552kB high:9064kB active_anon:1406476kB inactive_anon:354528kB active_file:492308kB inactive_file:546660kB unevictable:3708kB present:3029636kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 0 946 946
[25318.639914] Node 0 Normal free:7948kB min:1932kB low:2412kB high:2896kB active_anon:291076kB inactive_anon:300372kB active_file:101452kB inactive_file:108016kB unevictable:680kB present:969600kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 0 0 0
[25318.639914] Node 0 DMA: 2*4kB 3*8kB 3*16kB 2*32kB 2*64kB 2*128kB 3*256kB 2*512kB 3*1024kB 3*2048kB 1*4096kB = 15632kB
[25318.639914] Node 0 DMA32: 1409*4kB 928*8kB 1*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 13620kB
[25318.639914] Node 0 Normal: 1623*4kB 162*8kB 0*16kB 1*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 7948kB
[25318.639914] 342124 total pagecache pages
[25318.639914] 4404 pages in swap cache
[25318.639914] Swap cache stats: add 65462, delete 61058, find 3935/5177
[25318.639914] Free swap = 9627540kB
[25318.639914] Total swap = 9805280kB
[25318.639914] 1032192 pages RAM
[25318.639914] 51958 pages reserved
[25318.639914] 704733 pages shared
[25318.639914] 415225 pages non-shared
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] swapper: page allocation failure. order:2, mode:0x4020
[25318.639914] Pid: 0, comm: swapper Tainted: G C 2.6.31-13-generic #45-Ubuntu
[25318.639914] Call Trace:
[25318.639914] <IRQ> [<ffffffff810dc7cc>] __alloc_pages_slowpath+0x4cc/0x4e0
[25318.639914] [<ffffffff810dc92e>] __alloc_pages_nodemask+0x14e/0x150
[25318.639914] [<ffffffff8110dd5a>] kmalloc_large_node+0x5a/0xb0
[25318.639914] [<ffffffff81111f05>] __kmalloc_node_track_caller+0x135/0x180
[25318.639914] [<ffffffffa0272899>] ? iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[25318.639914] [<ffffffff81428d18>] ? skb_queue_tail+0x48/0x60
[25318.639914] [<ffffffff8142a24b>] __alloc_skb+0x7b/0x180
[25318.639914] [<ffffffffa0272899>] iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[25318.639914] [<ffffffffa0272466>] ? iwl_rx_reply_rx+0x1f6/0x2e0 [iwlcore]
[25318.639914] [<ffffffffa0273c36>] iwl_rx_replenish_now+0x16/0x30 [iwlcore]
[25318.639914] [<ffffffffa02a44ba>] iwl_rx_handle+0x24a/0x2f0 [iwlagn]
[25318.639914] [<ffffffffa02a4ad8>] iwl_irq_tasklet+0x138/0x480 [iwlagn]
[25318.639914] [<ffffffff8105fe60>] tasklet_action+0xd0/0xe0
[25318.639914] [<ffffffff8106141d>] __do_softirq+0xbd/0x200
[25318.639914] [<ffffffff8101318c>] call_softirq+0x1c/0x30
[25318.639914] [<ffffffff81014945>] do_softirq+0x55/0x90
[25318.639914] [<ffffffff81061185>] irq_exit+0x85/0x90
[25318.639914] [<ffffffff81014080>] do_IRQ+0x70/0xe0
[25318.639914] [<ffffffff810129d3>] ret_from_intr+0x0/0x11
[25318.639914] <EOI> [<ffffffff812d3e21>] ? acpi_idle_enter_bm+0x28b/0x2bf
[25318.639914] [<ffffffff812d3e1a>] ? acpi_idle_enter_bm+0x284/0x2bf
[25318.639914] [<ffffffff813fa23b>] ? cpuidle_idle_call+0x9b/0xf0
[25318.639914] [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
[25318.639914] [<ffffffff81510a76>] ? rest_init+0x66/0x70
[25318.639914] [<ffffffff81832d47>] ? start_kernel+0x352/0x35b
[25318.639914] [<ffffffff8183229a>] ? x86_64_start_reservations+0x125/0x129
[25318.639914] [<ffffffff81832398>] ? x86_64_start_kernel+0xfa/0x109
[25318.639914] Mem-Info:
[25318.639914] Node 0 DMA per-cpu:
[25318.639914] CPU 0: hi: 0, btch: 1 usd: 0
[25318.639914] CPU 1: hi: 0, btch: 1 usd: 0
[25318.639914] Node 0 DMA32 per-cpu:
[25318.639914] CPU 0: hi: 186, btch: 31 usd: 0
[25318.639914] CPU 1: hi: 186, btch: 31 usd: 0
[25318.639914] Node 0 Normal per-cpu:
[25318.639914] CPU 0: hi: 186, btch: 31 usd: 28
[25318.639914] CPU 1: hi: 186, btch: 31 usd: 30
[25318.639914] Active_anon:424388 active_file:148505 inactive_anon:163725
[25318.639914] inactive_file:163669 unevictable:1097 dirty:135434 writeback:357 unstable:0
[25318.639914] free:9296 slab:28185 mapped:38953 pagetables:10615 bounce:0
[25318.639914] Node 0 DMA free:15632kB min:28kB low:32kB high:40kB active_anon:0kB inactive_anon:0kB active_file:260kB inactive_file:0kB unevictable:0kB present:15336kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 2958 3905 3905
[25318.639914] Node 0 DMA32 free:13604kB min:6044kB low:7552kB high:9064kB active_anon:1406476kB inactive_anon:354528kB active_file:492308kB inactive_file:546660kB unevictable:3708kB present:3029636kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 0 946 946
[25318.639914] Node 0 Normal free:7948kB min:1932kB low:2412kB high:2896kB active_anon:291076kB inactive_anon:300372kB active_file:101452kB inactive_file:108016kB unevictable:680kB present:969600kB pages_scanned:0 all_unreclaimable? no
[25318.639914] lowmem_reserve[]: 0 0 0 0
[25318.639914] Node 0 DMA: 2*4kB 3*8kB 3*16kB 2*32kB 2*64kB 2*128kB 3*256kB 2*512kB 3*1024kB 3*2048kB 1*4096kB = 15632kB
[25318.639914] Node 0 DMA32: 1409*4kB 928*8kB 1*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 13620kB
[25318.639914] Node 0 Normal: 1623*4kB 162*8kB 0*16kB 1*32kB 0*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 7948kB
[25318.639914] 342124 total pagecache pages
[25318.639914] 4404 pages in swap cache
[25318.639914] Swap cache stats: add 65462, delete 61058, find 3935/5177
[25318.639914] Free swap = 9627540kB
[25318.639914] Total swap = 9805280kB
[25318.639914] 1032192 pages RAM
[25318.639914] 51958 pages reserved
[25318.639914] 704733 pages shared
[25318.639914] 415225 pages non-shared
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.639914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.936863] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.938110] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.938124] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25318.944190] hda-intel: IRQ timing workaround is activated for card #0. Suggest a bigger bdl_pos_adj.
[25319.853833] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.853850] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.896359] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.896377] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.930439] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.930457] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.955501] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.955518] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.977976] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.977994] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.995805] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25319.995823] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.008639] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.008655] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.016547] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.016562] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.022174] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.022188] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.026397] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.026412] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.031805] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.031819] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.034056] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.034083] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.035647] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.035661] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.037503] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.037516] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.039804] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.039809] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.040099] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.040103] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041119] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041123] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041533] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041536] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041973] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.041986] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.042460] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.042465] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.042845] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.042848] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043327] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043330] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043433] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043437] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043903] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.043905] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044303] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044316] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044410] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044413] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044858] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.044861] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.045319] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.045321] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.045438] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.045441] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.046299] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.046302] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.047725] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.047728] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048096] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048098] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048487] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048499] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048596] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.048599] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.049071] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.049073] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.049461] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.049463] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.050873] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.050876] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051061] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051065] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051188] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051192] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051614] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.051616] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052081] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052093] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052518] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052520] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052694] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.052697] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053062] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053065] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053436] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053438] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053793] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053795] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053899] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.053902] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.054328] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.054332] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.054782] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.054784] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055207] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055219] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055334] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055338] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055774] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055777] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055895] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.055898] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056326] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056329] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056493] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056496] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056925] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.056927] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.057327] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.057340] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.057665] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.057668] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058038] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058041] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058504] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058506] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058621] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058624] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058756] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.058759] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059134] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059137] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059476] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059479] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059845] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.059857] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060171] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060173] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060322] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060325] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060723] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060726] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060862] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.060866] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061243] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061246] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061362] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061366] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061727] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.061730] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062160] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062163] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062603] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062606] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062704] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.062718] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063108] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063111] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063223] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063226] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063651] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.063654] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064060] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064064] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064177] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064181] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064638] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064642] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.064997] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065000] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065346] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065360] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065460] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065464] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065970] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.065974] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.066134] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.066139] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.067498] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.067939] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.068058] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.068063] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.072271] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.072278] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.078817] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.079201] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.079322] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.079326] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.080495] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.080501] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.108576] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.108586] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.601572] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.601685] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.601690] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.605111] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.605474] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.606444] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.606863] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.608946] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.609349] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.609534] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.609537] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.612863] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.614189] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.614312] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.614317] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.617187] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.617590] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.617736] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.617741] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.621514] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.621521] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.623349] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.623725] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.626458] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.626463] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.626906] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.629441] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.629448] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.630409] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.630841] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.634961] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.635329] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.635445] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.635449] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.637319] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.637761] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.640468] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.640934] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.641323] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.642418] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.642759] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.643173] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.643646] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.646666] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.646673] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.646924] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.646928] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.654712] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.654719] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.657357] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.657362] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.657895] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.658324] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.664505] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.664914] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.666654] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.666706] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.669954] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.670950] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.671942] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.672060] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.672066] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.677795] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.677897] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.677902] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.678448] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.678571] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.678575] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.678983] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.684409] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.684416] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.684899] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.685317] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.689381] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.689500] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.689504] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.689920] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.692870] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.693291] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.693707] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.694745] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.698810] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.698818] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.699446] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.699921] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.700290] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.700739] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[25320.955709] iwlagn 0000:03:00.0: Microcode SW error detected. Restarting 0x2000000.
[25324.711950] wlan0: no probe response from AP 00:21:29:8d:8b:aa - disassociating
[25327.564671] __ratelimit: 300 callbacks suppressed
[25327.564676] events/0: page allocation failure. order:4, mode:0x40d0
[25327.564679] Pid: 9, comm: events/0 Tainted: G C 2.6.31-13-generic #45-Ubuntu
[25327.564681] Call Trace:
[25327.564689] [<ffffffff810dc7cc>] __alloc_pages_slowpath+0x4cc/0x4e0
[25327.564692] [<ffffffff810dc92e>] __alloc_pages_nodemask+0x14e/0x150
[25327.564696] [<ffffffff81108e02>] alloc_pages_current+0x82/0xd0
[25327.564698] [<ffffffff810db919>] __get_free_pages+0x9/0x50
[25327.564718] [<ffffffffa0274f6b>] iwl_tx_queue_alloc+0x4b/0x270 [iwlcore]
[25327.564725] [<ffffffffa02751ce>] ? iwl_tx_queue_init+0x3e/0x190 [iwlcore]
[25327.564733] [<ffffffffa027520e>] iwl_tx_queue_init+0x7e/0x190 [iwlcore]
[25327.564741] [<ffffffffa02770df>] iwl_txq_ctx_reset+0x2cf/0x520 [iwlcore]
[25327.564749] [<ffffffffa026d123>] iwl_hw_nic_init+0xf3/0x160 [iwlcore]
[25327.564758] [<ffffffffa02a6f48>] __iwl_up+0x98/0x350 [iwlagn]
[25327.564763] [<ffffffffa02a7255>] iwl_mac_start+0x55/0x1f0 [iwlagn]
[25327.564768] [<ffffffff8104e1fb>] ? dequeue_entity+0x1b/0x240
[25327.564772] [<ffffffff81273da6>] ? rb_erase+0xd6/0x160
[25327.564789] [<ffffffffa02085e7>] ieee80211_reconfig+0x3b7/0x3d0 [mac80211]
[25327.564797] [<ffffffffa01ee5f0>] ? ieee80211_restart_work+0x0/0x30 [mac80211]
[25327.564805] [<ffffffffa01ee60d>] ieee80211_restart_work+0x1d/0x30 [mac80211]
[25327.564809] [<ffffffff8106f725>] run_workqueue+0x95/0x170
[25327.564811] [<ffffffff8106f8a4>] worker_thread+0xa4/0x120
[25327.564815] [<ffffffff81074ab0>] ? autoremove_wake_function+0x0/0x40
[25327.564818] [<ffffffff8106f800>] ? worker_thread+0x0/0x120
[25327.564820] [<ffffffff810746c6>] kthread+0xa6/0xb0
[25327.564823] [<ffffffff8101308a>] child_rip+0xa/0x20
[25327.564826] [<ffffffff81074620>] ? kthread+0x0/0xb0
[25327.564828] [<ffffffff81013080>] ? child_rip+0x0/0x20
[25327.564830] Mem-Info:
[25327.564831] Node 0 DMA per-cpu:
[25327.564833] CPU 0: hi: 0, btch: 1 usd: 0
[25327.564835] CPU 1: hi: 0, btch: 1 usd: 0
[25327.564837] Node 0 DMA32 per-cpu:
[25327.564839] CPU 0: hi: 186, btch: 31 usd: 0
[25327.564840] CPU 1: hi: 186, btch: 31 usd: 0
[25327.564842] Node 0 Normal per-cpu:
[25327.564844] CPU 0: hi: 186, btch: 31 usd: 0
[25327.564846] CPU 1: hi: 186, btch: 31 usd: 0
[25327.564849] Active_anon:446517 active_file:142736 inactive_anon:170026
[25327.564850] inactive_file:142697 unevictable:1599 dirty:135426 writeback:292 unstable:0
[25327.564851] free:7413 slab:28365 mapped:42454 pagetables:10702 bounce:0
[25327.564853] Node 0 DMA free:15648kB min:28kB low:32kB high:40kB active_anon:0kB inactive_anon:0kB active_file:260kB inactive_file:0kB unevictable:0kB present:15336kB pages_scanned:0 all_unreclaimable? no
[25327.564857] lowmem_reserve[]: 0 2958 3905 3905
[25327.564861] Node 0 DMA32 free:10972kB min:6044kB low:7552kB high:9064kB active_anon:1474976kB inactive_anon:368872kB active_file:479596kB inactive_file:479652kB unevictable:5384kB present:3029636kB pages_scanned:0 all_unreclaimable? no
[25327.564866] lowmem_reserve[]: 0 0 946 946
[25327.564869] Node 0 Normal free:3032kB min:1932kB low:2412kB high:2896kB active_anon:311092kB inactive_anon:311232kB active_file:91088kB inactive_file:91136kB unevictable:1012kB present:969600kB pages_scanned:0 all_unreclaimable? no
[25327.564874] lowmem_reserve[]: 0 0 0 0
[25327.564877] Node 0 DMA: 2*4kB 3*8kB 2*16kB 1*32kB 1*64kB 1*128kB 2*256kB 1*512kB 2*1024kB 2*2048kB 2*4096kB = 15648kB
[25327.564885] Node 0 DMA32: 803*4kB 184*8kB 293*16kB 38*32kB 0*64kB 1*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 10972kB
[25327.564893] Node 0 Normal: 444*4kB 115*8kB 17*16kB 0*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3032kB
[25327.564901] 318933 total pagecache pages
[25327.564902] 4537 pages in swap cache
[25327.564904] Swap cache stats: add 67009, delete 62472, find 4009/5281
[25327.564905] Free swap = 9624236kB
[25327.564907] Total swap = 9805280kB
[25327.581724] 1032192 pages RAM
[25327.581727] 51958 pages reserved
[25327.581728] 702898 pages shared
[25327.581729] 418470 pages non-shared
[25327.581733] iwlagn 0000:03:00.0: kmalloc for auxiliary BD structures failed
[25327.581778] iwlagn 0000:03:00.0: Tx 16 queue init failed
[25327.582377] iwlagn 0000:03:00.0: Unable to init nic
[25327.620051] mac80211-phy0: failed to remove key (0, 00:21:29:8d:8b:aa) from hardware (-22)
[25327.723623] iwlagn 0000:03:00.0: No space for Tx
[25327.723630] iwlagn 0000:03:00.0: Error sending REPLY_ADD_STA: enqueue_hcmd failed: -28
[25327.723634] mac80211-phy0: failed to remove key (2, ff:ff:ff:ff:ff:ff) from hardware (-28)

ProblemType: Bug
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: freeflying 2083 F.... pulseaudio
 /dev/snd/pcmC0D0p: freeflying 2083 F...m pulseaudio
 /dev/snd/pcmC0D0c: freeflying 2083 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf2620000 irq 17'
   Mixer name : 'Conexant CX20561 (Hermosa)'
   Components : 'HDA:14f15051,17aa20ff,00100000'
   Controls : 14
   Simple ctrls : 7
Date: Wed Oct 14 12:52:43 2009
DistroRelease: Ubuntu 9.10
MachineType: LENOVO 7459LC7
Package: linux-image-2.6.31-13-generic 2.6.31-13.45
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-13-generic root=UUID=57b8386e-5b4c-4480-bc50-60871fd1d1e1 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.45-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-13-generic N/A
 linux-firmware 1.22
SourcePackage: linux
Uname: Linux 2.6.31-13-generic x86_64
XsessionErrors:
 (gnome-settings-daemon:2116): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:2116): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:2163): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:2152): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
dmi.bios.date: 06/25/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6DET55WW (3.05 )
dmi.board.name: 7459LC7
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6DET55WW(3.05):bd06/25/2009:svnLENOVO:pn7459LC7:pvrThinkPadX200:rvnLENOVO:rn7459LC7:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7459LC7
dmi.product.version: ThinkPad X200
dmi.sys.vendor: LENOVO

[Jesse Michael (jesse.michael)]

I'm seeing this also. When doing heavy network access, iwlagn will start dumping backtraces and errors about not being able to allocate SKBs.

My network still seems to be working, but things seem slower than normal after that happens.

[Jesse Michael (jesse.michael)]

I had been running 2.6.31-13-generic also, but updated to the latest kernel available as I'm typing this (2.6.31-14-generic) and ran into the same problem.

[Leann Ogasawara (leannogasawara)]

Hi Jesse,

Can you try installing the linux-backports-modules-wireless-karmic-generic package, reboot, and then see if you're able to reproduce? That package contains an updated compat-wireless stable release backport.

https://lists.ubuntu.com/archives/kernel-team/2009-October/007611.html

[Jesse Michael (jesse.michael)]

It could be my imagination, but it seemed to take more effort to get it to fail with the version of the driver from the linux-backports-modules-wireless-karmic-generic package, but I still eventually ended up with the attached dmesg log.

[ZhengPeng Hou (zhengpeng-hou)]

even with the backport kernel, connecttion will lost periodically
[16546.340324] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16548.841932] No probe response from AP 00:21:29:8d:8b:aa after 500ms, disconnecting.
[16549.470067] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16549.470078] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16549.970078] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16549.970729] wlan0: direct probe to AP 00:21:29:8d:8b:aa (try 1)
[16550.171187] wlan0: direct probe to AP 00:21:29:8d:8b:aa (try 2)
[16550.370070] wlan0: direct probe to AP 00:21:29:8d:8b:aa (try 3)
[16550.470062] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16550.470074] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16550.570068] wlan0: direct probe to AP 00:21:29:8d:8b:aa timed out
[16551.070061] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16551.070072] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16560.480072] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16560.480083] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16560.981672] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16561.480084] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16561.480095] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16561.980072] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16561.980083] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16566.480182] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16566.480194] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16566.981368] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16567.480065] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16567.480076] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16567.980075] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16567.980086] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16572.480078] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16572.480089] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16572.984945] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16573.480071] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16573.480083] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16573.980074] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16573.980086] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16578.490087] iwlagn 0000:03:00.0: Error sending REPLY_RXON: time out after 500ms.
[16578.490098] iwlagn 0000:03:00.0: Error setting new RXON (-110)
[16578.990052] iwlagn 0000:03:00.0: Error sending REPLY_SCAN_CMD: time out after 500ms.
[16578.990078] iwlagn 0000:03:00.0: No space for Tx
[16578.990084] iwlagn 0000:03:00.0: Error sending REPLY_RXON: enqueue_hcmd failed: -28
[16578.990090] iwlagn 0000:03:00.0: Error setting new RXON (-28)
[16578.990097] iwlagn 0000:03:00.0: No space for Tx
[16578.990103] iwlagn 0000:03:00.0: Error s...

[A. Bram Neijt (bneijt)]

I only seem to get this problem as soon as I hit a memory spike (usually with Firefox), then I get a bunch of swap built up, iwlagn will start saying:
[181706.508110] iwlagn 0000:03:00.0: Can not allocate SKB buffers
[181706.508110] swapper: page allocation failure. order:2, mode:0x4020
[181706.508110] Pid: 0, comm: swapper Tainted: G C 2.6.31-14-generic #48-Ubuntu
[181706.508110] Call Trace:
[181706.508110] <IRQ> [<ffffffff810e083c>] __alloc_pages_slowpath+0x4cc/0x4e0
[181706.508110] [<ffffffff810e099e>] __alloc_pages_nodemask+0x14e/0x150
[181706.508110] [<ffffffff81111dfa>] kmalloc_large_node+0x5a/0xb0
[181706.508110] [<ffffffff81115fa5>] __kmalloc_node_track_caller+0x135/0x180
[181706.508110] [<ffffffffa0286899>] ? iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[181706.508110] [<ffffffff8142e41b>] __alloc_skb+0x7b/0x180
[181706.508110] [<ffffffffa0286899>] iwl_rx_allocate+0x1a9/0x230 [iwlcore]
[181706.508110] [<ffffffff8106b933>] ? mod_timer+0x103/0x160
[181706.508110] [<ffffffffa0287c36>] iwl_rx_replenish_now+0x16/0x30 [iwlcore]
[181706.508110] [<ffffffffa02a44f8>] iwl_rx_handle+0x288/0x2f0 [iwlagn]
[181706.508110] [<ffffffffa02a4767>] iwl_irq_tasklet_legacy+0x207/0x440 [iwlagn]
[181706.508110] [<ffffffff8107c29b>] ? hrtimer_get_next_event+0xbb/0xf0
[181706.508110] [<ffffffff81063ee0>] tasklet_action+0xd0/0xe0
[181706.508110] [<ffffffff8106549d>] __do_softirq+0xbd/0x200
[181706.508110] [<ffffffff810131ec>] call_softirq+0x1c/0x30
[181706.508110] [<ffffffff81014bc5>] do_softirq+0x55/0x90
[181706.508110] [<ffffffff81065205>] irq_exit+0x85/0x90
[181706.508110] [<ffffffff81014100>] do_IRQ+0x70/0xe0
[181706.508110] [<ffffffff81012a13>] ret_from_intr+0x0/0x11
[181706.508110] <EOI> [<ffffffff812d7ed9>] ? acpi_idle_enter_bm+0x28b/0x2bf
[181706.508110] [<ffffffff812d7ed2>] ? acpi_idle_enter_bm+0x284/0x2bf
[181706.508110] [<ffffffff813fe40b>] ? cpuidle_idle_call+0x9b/0xf0
[181706.508110] [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
[181706.508110] [<ffffffff81514c56>] ? rest_init+0x66/0x70
[181706.508110] [<ffffffff8183a047>] ? start_kernel+0x352/0x35b
[181706.508110] [<ffffffff8183959a>] ? x86_64_start_reservations+0x125/0x129
[181706.508110] [<ffffffff81839698>] ? x86_64_start_kernel+0xfa/0x109
[181706.508110] Mem-Info:
[181706.508110] Node 0 DMA per-cpu:
[181706.508110] CPU 0: hi: 0, btch: 1 usd: 0
[181706.508110] CPU 1: hi: 0, btch: 1 usd: 0
[181706.508110] Node 0 DMA32 per-cpu:
[181706.508110] CPU 0: hi: 186, btch: 31 usd: 104
[181706.508110] CPU 1: hi: 186, btch: 31 usd: 77
[181706.508110] Active_anon:285907 active_file:35149 inactive_anon:95722
[181706.508110] inactive_file:33632 unevictable:4 dirty:26710 writeback:437 unstable:0
[181706.508110] free:3269 slab:22972 mapped:15303 pagetables:8144 bounce:0
[181706.508110] Node 0 DMA free:7876kB min:40kB low:48kB high:60kB active_anon:1772kB inactive_anon:2148kB active_file:1188kB inactive_file:984kB unevictable:0kB present:15332kB pages_scanned:0 all_unreclaimable? no
[181706.508110] lowmem_reserve[]: 0 1963 1963 1963
[181706.508110] Node 0 DMA32 free:5200kB min:5648kB low:7060kB high:8472kB active_anon:1141856kB inactive_anon:380740kB a...

[zigi (ziegleka)]

I can confirm this bug in Kubuntu - Lucid with kernel 2.6.32-11-generic #15-Ubuntu. System was unusable for 17 minutes and consumed the entire swap. Then the X window system rebooted itself (Jan 22 09:25:32 sweetie kernel: [59679.495033] Out of memory: kill process 1928 (kdeinit4) score 5312589 or a child). I was connected to the network via UTP cable. I think, this problem occurs whenever there is no leisure physical memory.

Important lines from the attached kern.log:
from: Jan 22 09:13:14 sweetie kernel: [58951.841921]
to: Jan 22 09:32:11 sweetie kernel: [60089.640345]

1#
Call Trace:
<IRQ> [<ffffffff810f771e>] __alloc_pages_slowpath+0x56e/0x580
[<ffffffff810f788e>] __alloc_pages_nodemask+0x15e/0x1a0
[<ffffffff8112f432>] kmalloc_large_node+0x62/0xb0
[<ffffffff811338b5>] __kmalloc_node_track_caller+0x145/0x190
[<ffffffffa0347d47>] ? iwl_rx_allocate+0x197/0x2f0 [iwlcore]
[<ffffffff81471780>] __alloc_skb+0x80/0x190
[<ffffffffa0347d47>] iwl_rx_allocate+0x197/0x2f0 [iwlcore]
[<ffffffffa03491ab>] iwl_rx_replenish_now+0x1b/0x30 [iwlcore]
[<ffffffffa03eb258>] iwl_rx_handle+0x288/0x2f0 [iwlagn]
[<ffffffff8105a043>] ? enqueue_task_fair+0x43/0x90
[<ffffffffa03eba70>] iwl_irq_tasklet+0x140/0x4f0 [iwlagn]
[<ffffffff81059a74>] ? try_to_wake_up+0x284/0x380
[<ffffffff8106ac05>] tasklet_action+0xd5/0xe0
[<ffffffff8106c627>] __do_softirq+0xb7/0x1e0
[<ffffffff810c2fa0>] ? handle_IRQ_event+0x60/0x170
[<ffffffff810142ec>] call_softirq+0x1c/0x30
[<ffffffff81015c85>] do_softirq+0x65/0xa0
[<ffffffff8106c4c5>] irq_exit+0x85/0x90
[<ffffffff81564e55>] do_IRQ+0x75/0xf0
[<ffffffff81013b13>] ret_from_intr+0x0/0x11

2#
Call Trace:
[<ffffffff810b17ad>] ? cpuset_print_task_mems_allowed+0x9d/0xb0
[<ffffffff810f3eb4>] oom_kill_process+0xd4/0x2c0
[<ffffffff810f4440>] ? select_bad_process+0xd0/0x110
[<ffffffff810f44d8>] __out_of_memory+0x58/0xc0
[<ffffffff810f466e>] out_of_memory+0x12e/0x1a0
[<ffffffff8155fc8e>] ? _spin_lock+0xe/0x20
[<ffffffff810f76c1>] __alloc_pages_slowpath+0x511/0x580
[<ffffffff810f788e>] __alloc_pages_nodemask+0x15e/0x1a0
[<ffffffff8112f432>] kmalloc_large_node+0x62/0xb0
[<ffffffff811338b5>] __kmalloc_node_track_caller+0x145/0x190
[<ffffffffa0347d47>] ? iwl_rx_allocate+0x197/0x2f0 [iwlcore]
[<ffffffff81471780>] __alloc_skb+0x80/0x190
[<ffffffffa0347d47>] iwl_rx_allocate+0x197/0x2f0 [iwlcore]
[<ffffffff81019cd0>] ? nommu_map_page+0x0/0xc0
[<ffffffffa03e9f20>] ? iwl_bg_rx_replenish+0x0/0x50 [iwlagn]
[<ffffffffa03491ed>] iwl_rx_replenish+0x2d/0x60 [iwlcore]
[<ffffffffa03e9f20>] ? iwl_bg_rx_replenish+0x0/0x50 [iwlagn]
[<ffffffffa03e9f5d>] iwl_bg_rx_replenish+0x3d/0x50 [iwlagn]
[<ffffffff8107e977>] run_workqueue+0xc7/0x1a0
[<ffffffff8107eaf3>] worker_thread+0xa3/0x110
[<ffffffff81083520>] ? autoremove_wake_function+0x0/0x40
[<ffffffff8107ea50>] ? worker_thread+0x0/0x110
[<ffffffff810831a6>] kthread+0x96/0xa0
[<ffffffff810141ea>] child_rip+0xa/0x20
[<ffffffff81083110>] ? kthread+0x0/0xa0
[<ffffffff810141e0>] ? child_rip+0x0/0x20

3#
process_name: page allocation failure. order:2, mode:0x4020
(mostly swapper: page allocation failure. order:2, mode:0x4020)

4#
iwlagn 0000:03:00.0: Failed to allocate SKB buffer with GFP_ATOMIC. Only X free buffers remaining.

...

[zigi (ziegleka)]

I'm not native speaker, would someone be so kind and explain to me what does this message mean:

Pid: xxxx, comm: process_name Not tainted 2.6.32-11-generic #15-Ubuntu

Thank you.

[zigi (ziegleka)]

After I started Firefox 3.5.7 error occurred again in logs (viz. kern.log in my comment #8).

Jan 22 09:33:31 sweetie kernel: [60169.431301] wlan0: no IPv6 routers present
Jan 22 10:36:02 sweetie kernel: [63919.446888] swapper: page allocation failure. order:2, mode:0x4020
Jan 22 10:36:02 sweetie kernel: [63919.446893] Pid: 0, comm: swapper Not tainted 2.6.32-11-generic #15-Ubuntu
Jan 22 10:36:02 sweetie kernel: [63919.446896] Call Trace:
...
Jan 22 10:36:02 sweetie kernel: [63919.454216] iwlagn 0000:03:00.0: Failed to allocate SKB buffer with GFP_ATOMIC. Only 0 free buffers remaining.
Jan 22 10:36:39 sweetie kernel: [63957.252658] swapper: page allocation failure. order:2, mode:0x4020
Jan 22 10:36:39 sweetie kernel: [63957.252669] Pid: 0, comm: swapper Not tainted 2.6.32-11-generic #15-Ubuntu
Jan 22 10:36:39 sweetie kernel: [63957.252675] Call Trace:
...

$ ps auxf
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
ziegleka 8602 40.8 42.0 1648560 836104 ? Rl 10:33 31:33 /usr/lib/firefox-3.5.7/firefox https://bugs.launchpad.net/ubuntu/+source/linux/+filebug/h7dWUUDvQ1MfQOtg0bVS2G6S9HR?

$ free -m
             total used free shared buffers cached
Mem: 1939 1762 177 0 6 77
-/+ buffers/cache: 1678 261
Swap: 4095 279 3816

[zigi (ziegleka)]

I changed the status to Confirmed, if you need other informations and data, contact me.

[zigi (ziegleka)]

It seems that the problem occurs on heavy/intensive memory use. And according to me it's worse than with the 2.6.32-10.14 kernel.

[zigi (ziegleka)]

The second time during the day my X Window System was unuseable for 20 minutes and than was restarted (OOM).

Attached kern.log:
from: Jan 22 16:15:05 sweetie kernel: [84262.476500]
to: Jan 22 16:35:36 sweetie kernel: [85493.851254]

[Dominik Holler (dominik-holler)]

maybe bug #517807 is similar ?

[Brian J. Murrell (brian-interlinx)]

Yes, can we please have the disposition of bug 517807 determined with respect to this bug? If they really are duplicate, let's mark them as such so we are not dividing effort.

[zigi (ziegleka)]

I think, that we could mark bug 517807 as a duplicate of this bug.

[zigi (ziegleka)]

AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ziegleka 1668 F.... pulseaudio
                      ziegleka 1692 F.... kmix
 /dev/snd/pcmC0D0p: ziegleka 1668 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf8500000 irq 17'
   Mixer name : 'Conexant CX20561 (Hermosa)'
   Components : 'HDA:14f15051,17aa20fd,00100000'
   Controls : 14
   Simple ctrls : 7
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7VHT16WW-1.06'
   Mixer name : 'ThinkPad EC 7VHT16WW-1.06'
   Components : ''
   Controls : 1
   Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
DistroRelease: Ubuntu 10.04
HibernationDevice: RESUME=UUID=0ccf8d25-f8f3-4aeb-9809-efe8b1ebfe5d
MachineType: LENOVO 273232G
Package: linux (not installed)
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=26a40a7b-95dd-4565-8f86-c2cd3f3359a9 ro quiet splash
ProcEnviron:
 LANGUAGE=
 LANG=cs_CZ.UTF-8
 LC_MESSAGES=C
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Regression: No
RelatedPackageVersions: linux-firmware 1.34
Reproducible: Yes
Tags: lucid networking needs-upstream-testing
Uname: Linux 2.6.32-21-generic x86_64
UserGroups: adm admin audio cdrom dialout libvirtd lpadmin plugdev sambashare users
dmi.bios.date: 11/19/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7YET79WW (3.09 )
dmi.board.name: 273232G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7YET79WW(3.09):bd11/19/2009:svnLENOVO:pn273232G:pvrThinkPadR500:rvnLENOVO:rn273232G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 273232G
dmi.product.version: ThinkPad R500
dmi.sys.vendor: LENOVO

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[zigi (ziegleka)]

apport information

[steindani (steindani)]

Yes, it's still an issue.
I'm using an up to date Lucid, on my Lenovo T500 (Intel WifiLink 5300). I have two issues: sometimes it takes a looong time to download a webpage (Failed to allocate SKB buffer...), and sometimes when I download something with Transmission, the 2.2MB/s connection slows down to 100KB/s, which is really annoying, and could be cured with reconnecting to the router.

If I could help somehow, please write me down exactly what I should do, because I'm a bit new here.

[Adam Porter (alphapapa)]

Comments on the kernel tracker indicate that it should be fixed in 2.6.33. Can we get a backport, please?

[Dominik Holler (dominik-holler)]

Next step could be to test the vanilla-kernel 2.6.33 from ppa. As soon I have the opportunity to test the vanilla-kernel, I will do it.

[ZhengPeng Hou (zhengpeng-hou)]

On Wed, May 5, 2010 at 10:32 PM, dominik <email address hidden> wrote:

> Next step could be to test the vanilla-kernel 2.6.33 from ppa. As soon I
> have the opportunity to test the vanilla-kernel, I will do it.
>
I suffered with 2.6.34 rc kernel as well

>
> --
> iwlagn 0000:03:00.0: Can not allocate SKB buffers
> https://bugs.launchpad.net/bugs/450981
> You received this bug notification because you are a direct subscriber
> of the bug.
>

[Dominik Holler (dominik-holler)]

Am 05.05.2010 16:45, schrieb ZhengPeng Hou:
> On Wed, May 5, 2010 at 10:32 PM, dominik <email address hidden> wrote:
>
>> Next step could be to test the vanilla-kernel 2.6.33 from ppa. As soon I
>> have the opportunity to test the vanilla-kernel, I will do it.
>>
> I suffered with 2.6.34 rc kernel as well
>

Maybe it would be productive to report this on linux-kernel-bugs #14141 ?

[Henrik Sölver (henrik-solver)]

Hi.

I tried the linux-image-2.6.34-020634-generic_2.6.34-020634_amd64.deb kernel from http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.34-lucid/ and it seems to work fine.

[Dominik Holler (dominik-holler)]

 linux-image-2.6.34-020634-generic_2.6.34-020634_amd64.deb works for me, too.

[Matthew Ernisse (mernisse-deactivatedaccount)]

linux-image-2.6.34-020634-generic has been working for me as well.

[Kai Samelin (joi-28)]

I'm using 2.6.36-020636-generic and I still get the same behaviour.

[Brad Figg (brad-figg)]

This bug was filed against a series that is no longer supported and so is being marked as Won't Fix. If this issue still exists in a supported series, please file a new bug.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.