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Date: Sun, 6 Sep 2009 09:40:59 +0200
From: Frans Pop <elendil@...net.nl>
To: linux-kernel@...r.kernel.org
Cc: linux-wireless@...r.kernel.org, ipw3945-devel@...ts.sourceforge.net
Subject: iwlagn: order 2 page allocation failures
Got a couple of page allocation failures today while viewing fairly
large images. System was struggling for a bit to reorganize memory
and swap, but nothing really serious. Everything recovered fairly
quickly.
Anything to look into?
System: HP 2510p; 2.6.31-rc7-56-g7c0a57d; Debian stable, KDE desktop
10:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 4965 AG or AGN
[Kedron] Network Connection [8086:4229] (rev 61)
Cheers,
FJP
kernel: swapper: page allocation failure. order:2, mode:0x4020
kernel: Pid: 0, comm: swapper Not tainted 2.6.31-rc7 #15
kernel: Call Trace:
kernel: <IRQ> [<ffffffff8107909a>] __alloc_pages_nodemask+0x542/0x58a
kernel: [<ffffffff811d8a29>] ? skb_queue_tail+0x41/0x4a
kernel: [<ffffffff812568c2>] ? _spin_unlock+0x9/0xb
kernel: [<ffffffff811da2e1>] ? __alloc_skb+0x3c/0x15b
kernel: [<ffffffffa0356644>] ? iwl_rx_allocate+0xac/0x208 [iwlcore]
kernel: [<ffffffff8107913d>] __get_free_pages+0x12/0x41
kernel: [<ffffffff810982b1>] __kmalloc_track_caller+0x3b/0xec
kernel: [<ffffffff811da30b>] __alloc_skb+0x66/0x15b
kernel: [<ffffffffa0356644>] iwl_rx_allocate+0xac/0x208 [iwlcore]
kernel: [<ffffffffa03567b6>] iwl_rx_replenish_now+0x16/0x23 [iwlcore]
kernel: [<ffffffffa037d8e3>] iwl_rx_handle+0x356/0x39a [iwlagn]
kernel: [<ffffffffa00212a2>] ? scsi_io_completion+0x3a8/0x3d1 [scsi_mod]
kernel: [<ffffffffa037de27>] iwl_irq_tasklet_legacy+0x500/0x74f [iwlagn]
kernel: [<ffffffff8103dff0>] tasklet_action+0x71/0xbc
kernel: [<ffffffff8103e877>] __do_softirq+0x9b/0x12c
kernel: [<ffffffff8100cb7c>] call_softirq+0x1c/0x28
kernel: [<ffffffff8100e694>] do_softirq+0x34/0x72
kernel: [<ffffffff8103e601>] irq_exit+0x3f/0x79
kernel: [<ffffffff8100dd95>] do_IRQ+0xa3/0xba
kernel: [<ffffffff8100c413>] ret_from_intr+0x0/0xa
kernel: <EOI> [<ffffffffa0262720>] ? acpi_idle_enter_simple+0x101/0x12f [processor]
kernel: [<ffffffffa0262716>] ? acpi_idle_enter_simple+0xf7/0x12f [processor]
kernel: [<ffffffff811cd6d8>] ? cpuidle_idle_call+0x8c/0xc4
kernel: [<ffffffff8100ae0f>] ? cpu_idle+0x52/0x93
kernel: [<ffffffff81245f4d>] ? rest_init+0x61/0x63
kernel: [<ffffffff81411c3f>] ? start_kernel+0x348/0x353
kernel: [<ffffffff8141129a>] ? x86_64_start_reservations+0xaa/0xae
kernel: [<ffffffff8141137f>] ? x86_64_start_kernel+0xe1/0xe8
kernel: Mem-Info:
kernel: DMA per-cpu:
kernel: CPU 0: hi: 0, btch: 1 usd: 0
kernel: CPU 1: hi: 0, btch: 1 usd: 0
kernel: DMA32 per-cpu:
kernel: CPU 0: hi: 186, btch: 31 usd: 172
kernel: CPU 1: hi: 186, btch: 31 usd: 86
kernel: Active_anon:314043 active_file:2401 inactive_anon:105396
kernel: inactive_file:2026 unevictable:407 dirty:0 writeback:3949 unstable:0
kernel: free:10313 slab:10486 mapped:2860 pagetables:4100 bounce:0
kernel: DMA free:7924kB min:40kB low:48kB high:60kB active_anon:2828kB inactive_anon:3296kB
active_file:736kB inactive_file:664kB unevictable:0kB present:15336kB pages_scanned:0
all_unreclaimable? no
kernel: lowmem_reserve[]: 0 1976 1976 1976
kernel: DMA32 free:33328kB min:5664kB low:7080kB high:8496kB active_anon:1253344kB inactive_anon:418288kB
active_file:8868kB inactive_file:7440kB unevictable:1628kB present:2023748kB pages_scanned:0
all_unreclaimable? no
kernel: lowmem_reserve[]: 0 0 0 0
kernel: DMA: 913*4kB 36*8kB 1*16kB 0*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7924kB
kernel: DMA32: 7198*4kB 501*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 33328kB
kernel: 63958 total pagecache pages
kernel: 59163 pages in swap cache
kernel: Swap cache stats: add 310806, delete 251643, find 16810381/16825997
kernel: Free swap = 1534944kB
kernel: Total swap = 2097144kB
kernel: 518064 pages RAM
kernel: 10324 pages reserved
kernel: 78783 pages shared
kernel: 442988 pages non-shared
kernel: iwlagn 0000:10:00.0: Can not allocate SKB buffers
kernel: swapper: page allocation failure. order:2, mode:0x4020
kernel: Pid: 0, comm: swapper Not tainted 2.6.31-rc7 #15
kernel: Call Trace:
kernel: <IRQ> [<ffffffff8107909a>] __alloc_pages_nodemask+0x542/0x58a
kernel: [<ffffffff812545d1>] ? printk+0x67/0x6e
kernel: [<ffffffffa0356644>] ? iwl_rx_allocate+0xac/0x208 [iwlcore]
kernel: [<ffffffff8107913d>] __get_free_pages+0x12/0x41
kernel: [<ffffffff810982b1>] __kmalloc_track_caller+0x3b/0xec
kernel: [<ffffffff811da30b>] __alloc_skb+0x66/0x15b
kernel: [<ffffffffa0356644>] iwl_rx_allocate+0xac/0x208 [iwlcore]
kernel: [<ffffffffa03567b6>] iwl_rx_replenish_now+0x16/0x23 [iwlcore]
kernel: [<ffffffffa037d90e>] iwl_rx_handle+0x381/0x39a [iwlagn]
kernel: [<ffffffffa00212a2>] ? scsi_io_completion+0x3a8/0x3d1 [scsi_mod]
kernel: [<ffffffffa037de27>] iwl_irq_tasklet_legacy+0x500/0x74f [iwlagn]
kernel: [<ffffffff8103dff0>] tasklet_action+0x71/0xbc
kernel: [<ffffffff8103e877>] __do_softirq+0x9b/0x12c
kernel: [<ffffffff8100cb7c>] call_softirq+0x1c/0x28
kernel: [<ffffffff8100e694>] do_softirq+0x34/0x72
kernel: [<ffffffff8103e601>] irq_exit+0x3f/0x79
kernel: [<ffffffff8100dd95>] do_IRQ+0xa3/0xba
kernel: [<ffffffff8100c413>] ret_from_intr+0x0/0xa
kernel: <EOI> [<ffffffffa0262720>] ? acpi_idle_enter_simple+0x101/0x12f [processor]
kernel: [<ffffffffa0262716>] ? acpi_idle_enter_simple+0xf7/0x12f [processor]
kernel: [<ffffffff811cd6d8>] ? cpuidle_idle_call+0x8c/0xc4
kernel: [<ffffffff8100ae0f>] ? cpu_idle+0x52/0x93
kernel: [<ffffffff81245f4d>] ? rest_init+0x61/0x63
kernel: [<ffffffff81411c3f>] ? start_kernel+0x348/0x353
kernel: [<ffffffff8141129a>] ? x86_64_start_reservations+0xaa/0xae
kernel: [<ffffffff8141137f>] ? x86_64_start_kernel+0xe1/0xe8
kernel: Mem-Info:
kernel: DMA per-cpu:
kernel: CPU 0: hi: 0, btch: 1 usd: 0
kernel: CPU 1: hi: 0, btch: 1 usd: 0
kernel: DMA32 per-cpu:
kernel: CPU 0: hi: 186, btch: 31 usd: 172
kernel: CPU 1: hi: 186, btch: 31 usd: 86
kernel: Active_anon:314043 active_file:2401 inactive_anon:105396
kernel: inactive_file:2026 unevictable:407 dirty:0 writeback:3949 unstable:0
kernel: free:10313 slab:10486 mapped:2860 pagetables:4100 bounce:0
kernel: DMA free:7924kB min:40kB low:48kB high:60kB active_anon:2828kB inactive_anon:3296kB
active_file:736kB inactive_file:664kB unevictable:0kB present:15336kB pages_scanned:0
all_unreclaimable? no
kernel: lowmem_reserve[]: 0 1976 1976 1976
kernel: DMA32 free:33328kB min:5664kB low:7080kB high:8496kB active_anon:1253344kB inactive_anon:418288kB
active_file:8868kB inactive_file:7440kB unevictable:1628kB present:2023748kB pages_scanned:0
all_unreclaimable? no
kernel: lowmem_reserve[]: 0 0 0 0
kernel: DMA: 913*4kB 36*8kB 1*16kB 0*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7924kB
kernel: DMA32: 7198*4kB 501*8kB 1*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 33328kB
kernel: 63958 total pagecache pages
kernel: 59163 pages in swap cache
kernel: Swap cache stats: add 310806, delete 251643, find 16810381/16825997
kernel: Free swap = 1534944kB
kernel: Total swap = 2097144kB
kernel: 518064 pages RAM
kernel: 10324 pages reserved
kernel: 78783 pages shared
kernel: 442988 pages non-shared
kernel: iwlagn 0000:10:00.0: Can not allocate SKB buffers
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