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Old 08-21-2008, 11:11 AM
Peter Palfrader
 
Default Bug#495919: kswapd0: page allocation failure. order:0, mode:0x20

Package: linux-2.6
Version: 2.6.26-3snapshot.12100

linux-image-2.6.26-1-vserver-686-bigmem 2.6.26-3snapshot.12100 appears
to have page allocation failures:

[186553.927388] kswapd0: page allocation failure. order:0, mode:0x20
[186553.927388] Pid: 193, comm: kswapd0 Not tainted 2.6.26-1-vserver-686-bigmem #1
[186553.927388] [<c016a3a4>] __alloc_pages_internal+0x344/0x358
[186553.927388] [<c029ffad>] tcp_rcv_established+0x3b3/0x636
[186553.927388] [<c016a3c4>] __alloc_pages+0x7/0x9
[186553.927388] [<c01843b8>] cache_alloc_refill+0x26f/0x48c
[186553.931389] [<c018464a>] __kmalloc+0x75/0xb5
[186553.931389] [<c0270a59>] __alloc_skb+0x49/0xf7
[186553.931389] [<c02717a5>] __netdev_alloc_skb+0x14/0x2d
[186553.931389] [<f88846fe>] tg3_alloc_rx_skb+0xb0/0x13b [tg3]
[186553.931389] [<c02747c9>] netif_receive_skb+0x2d6/0x343
[186553.931389] [<f88884b4>] tg3_poll+0x379/0x8b9 [tg3]
[186553.931389] [<c02764e6>] net_rx_action+0x9c/0x177
[186553.931389] [<c012d529>] __do_softirq+0x66/0xd3
[186553.931389] [<c012d5db>] do_softirq+0x45/0x53
[186553.931389] [<c012d892>] irq_exit+0x35/0x67
[186553.931389] [<c01152a1>] smp_apic_timer_interrupt+0x6b/0x76
[186553.931389] [<c0109364>] apic_timer_interrupt+0x28/0x30
[186553.931389] [<c019860f>] dispose_list+0x8c/0xc2
[186553.931389] [<c01987d4>] shrink_icache_memory+0x18f/0x1b7
[186553.931389] [<c016e1aa>] shrink_slab+0xd3/0x132
[186553.931389] [<c016e82b>] kswapd+0x29b/0x3ed
[186553.931389] [<c016d230>] isolate_pages_global+0x0/0x42
[186553.931389] [<c01392e0>] autoremove_wake_function+0x0/0x2d
[186553.931389] [<c016e590>] kswapd+0x0/0x3ed
[186553.931389] [<c013921d>] kthread+0x38/0x5f
[186553.931389] [<c01391e5>] kthread+0x0/0x5f
[186553.931389] [<c01094f3>] kernel_thread_helper+0x7/0x10
[186553.931389] =======================
[186553.931389] Mem-info:
[186553.931389] DMA per-cpu:
[186553.931389] CPU 0: hi: 0, btch: 1 usd: 0
[186553.931389] CPU 1: hi: 0, btch: 1 usd: 0
[186553.931389] CPU 2: hi: 0, btch: 1 usd: 0
[186553.931389] CPU 3: hi: 0, btch: 1 usd: 0
[186553.931389] Normal per-cpu:
[186553.931389] CPU 0: hi: 186, btch: 31 usd: 64
[186553.931389] CPU 1: hi: 186, btch: 31 usd: 179
[186553.931389] CPU 2: hi: 186, btch: 31 usd: 58
[186553.931389] CPU 3: hi: 186, btch: 31 usd: 160
[186553.931389] HighMem per-cpu:
[186553.931389] CPU 0: hi: 186, btch: 31 usd: 3
[186553.931389] CPU 1: hi: 186, btch: 31 usd: 28
[186553.931389] CPU 2: hi: 186, btch: 31 usd: 40
[186553.931389] CPU 3: hi: 186, btch: 31 usd: 181
[186553.931389] Active:183441 inactive:988359 dirty:120 writeback:0 unstable:0
[186553.931389] free:789746 slab:92793 mapped:10406 pagetables:696 bounce:0
[186553.931389] DMA free:3504kB min:68kB low:84kB high:100kB active:716kB inactive:272kB present:16256kB pages_scanned:0 all_unreclaimable? no
[186553.931389] lowmem_reserve[]: 0 873 8556 8556
[186553.931389] Normal free:1540kB min:3744kB low:4680kB high:5616kB active:207836kB inactive:235076kB present:894080kB pages_scanned:0 all_unreclaimable? no
[186553.931389] lowmem_reserve[]: 0 0 61467 61467
[186553.931389] HighMem free:3153940kB min:512kB low:8756kB high:17000kB active:525212kB inactive:3718088kB present:7867900kB pages_scanned:0 all_unreclaimable? no
[186553.931389] lowmem_reserve[]: 0 0 0 0
[186553.931389] DMA: 364*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3504kB
[186553.931389] Normal: 63*4kB 0*8kB 1*16kB 1*32kB 0*64kB 0*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 1580kB
[186553.931389] HighMem: 130*4kB 52*8kB 107*16kB 90*32kB 46*64kB 25*128kB 10*256kB 2*512kB 3*1024kB 169*2048kB 681*4096kB = 3153816kB
[186553.931389] 1150784 total pagecache pages
[186553.931389] Swap cache: add 13, delete 0, find 0/0
[186553.931389] Free swap = 7813140kB
[186553.931389] Total swap = 7813192kB
[186553.931389] 2211839 pages of RAM
[186553.931389] 1982463 pages of HIGHMEM
[186553.931389] 149619 reserved pages
[186553.931389] 226218 pages shared
[186553.931389] 13 pages swap cached
[186553.931389] 120 pages dirty
[186553.931389] 0 pages writeback
[186553.931389] 10406 pages mapped
[186553.931389] 92793 pages slab
[186553.931389] 696 pages pagetables

--
| .'`. ** Debian GNU/Linux **
Peter Palfrader | : :' : The universal
http://www.palfrader.org/ | `. `' Operating System
| `- http://www.debian.org/



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Old 08-22-2008, 06:07 PM
maximilian attems
 
Default Bug#495919: kswapd0: page allocation failure. order:0, mode:0x20

On Thu, 21 Aug 2008, Peter Palfrader wrote:

> Package: linux-2.6
> Version: 2.6.26-3snapshot.12100
>
> linux-image-2.6.26-1-vserver-686-bigmem 2.6.26-3snapshot.12100 appears
> to have page allocation failures:
>

i'd highly question the sustability of that image for a stable release.
as it has proven to be a source of most of the vserver bug reports.



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Old 08-22-2008, 07:43 PM
Bastian Blank
 
Default Bug#495919: kswapd0: page allocation failure. order:0, mode:0x20

On Thu, Aug 21, 2008 at 01:11:04PM +0200, Peter Palfrader wrote:
> linux-image-2.6.26-1-vserver-686-bigmem 2.6.26-3snapshot.12100 appears
> to have page allocation failures:

I consider this a generic problem for now. Google shows many instances.

Bastian

--
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-- McCoy, "Balance of Terror", stardate 1709.2



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