linux-kernel - b44 - swapper: page allocation failure

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Date:	Wed, 14 Jan 2009 20:34:54 +0200
From:	Mihai Donțu <mihai.dontu@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: b44 - swapper: page allocation failure

Hi,

A friend of mine just booted 2.6.28 and when someone else tried to send 
something to him over ssh (scp), the transfer failed and the following 
appeared in dmesg:

Pid: 0, comm: swapper Tainted: P           2.6.28-gentoo #1
Call Trace:
<IRQ>  [<ffffffff802a4e0d>] __alloc_pages_internal+0x3dd/0x4e0
[<ffffffff802cb273>] cache_alloc_refill+0x313/0x5b0
[<ffffffff802cb5fb>] __kmalloc+0xeb/0xf0
[<ffffffff806bb8ed>] __alloc_skb+0x6d/0x150
[<ffffffff8027ad90>] ktime_get_ts+0x30/0x60
[<ffffffff806bc457>] __netdev_alloc_skb+0x17/0x40
[<ffffffff804d6b5d>] b44_alloc_rx_skb+0x17d/0x740
[<ffffffff804d912d>] b44_poll+0x30d/0x620
[<ffffffff806bffc3>] net_rx_action+0x83/0x150
[<ffffffff80265e73>] __do_softirq+0x93/0x160
[<ffffffff8022c60c>] call_softirq+0x1c/0x30
[<ffffffff8022dfa5>] do_softirq+0x35/0x70
[<ffffffff80265b1d>] irq_exit+0x9d/0xb0
[<ffffffff8022e259>] do_IRQ+0xc9/0x110
[<ffffffff8022b896>] ret_from_intr+0x0/0xa
<EOI>  [<ffffffff8062fbe0>] menu_reflect+0x0/0x90
[<ffffffff804a4029>] acpi_idle_enter_simple+0x1c7/0x237
[<ffffffff804a401f>] acpi_idle_enter_simple+0x1bd/0x237
[<ffffffff8029934d>] rcu_needs_cpu+0x3d/0x50
[<ffffffff8062ee6a>] cpuidle_idle_call+0xba/0x120
[<ffffffff8022a46e>] cpu_idle+0x5e/0xc0
Mem-Info:
DMA per-cpu:
CPU    0: hi:    0, btch:   1 usd:   0
CPU    1: hi:    0, btch:   1 usd:   0
DMA32 per-cpu:
CPU    0: hi:  186, btch:  31 usd:  69
CPU    1: hi:  186, btch:  31 usd: 106
Active_anon:53932 active_file:23835 inactive_anon:1
inactive_file:49118 unevictable:0 dirty:7381 writeback:0 unstable:0
free:623763 slab:11485 mapped:24549 pagetables:2854 bounce:0
DMA free:4kB min:8kB low:8kB high:12kB active_anon:0kB inactive_anon:0kB 
active_file:0kB inactive_file:0kB unevictable:0kB present:4596kB 
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 3012 3012 3012
DMA32 free:2495048kB min:7016kB low:8768kB high:10524kB active_anon:215728kB 
inactive_anon:4kB active_file:95340kB inactive_file:196472kB unevictable:0kB 
present:3084968kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA: 1*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 
0*2048kB 0*4096kB = 4kB
DMA32: 1*4kB 34*8kB 55*16kB 17*32kB 6*64kB 4*128kB 2*256kB 3*512kB 2*1024kB 
1*2048kB 607*4096kB = 2495012kB
73068 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 2104472kB
Total swap = 2104472kB
786029 pages RAM
15043 pages reserved
96273 pages shared
105199 pages non-shared

-- 
Mihai Donțu
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