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[Xen-users] Repeated kernel "oops" / oom-killer with Ralph Passgang's xen 3.0.0 Debian packages

To: xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>

From: Andy Smith <andy@xxxxxxxxxxxxxx>

Date: Thu, 9 Feb 2006 00:13:05 +0000

Delivery-date: Thu, 09 Feb 2006 00:24:30 +0000

List-id: Xen user discussion <xen-users.lists.xensource.com>

Openpgp: id=BF15490B; url=http://strugglers.net/~andy/pubkey.asc

Hi, One of my servers has had its dom0 "oops" over and over twice in the last week. Unfortunately this is newly deployed so I have no idea if it is down to Xen or not. xen_changeset : Mon Dec 12 18:47:47 2005 +0100 8270:4ad23e798798 dom0 kernel is a vanilla 2.6.12 with Ralph's .6+xen kernel patch applied. x86_32 sarge packages were used. The .config is attached. Please let me know if there is any other info or debugging that you need me to do. Here's what I managed to copy off the serial console: [<c01442c0>] max_sane_readahead+0x30/0x50 [<c013dda7>] filemap_nopage+0x2c7/0x3e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb958>] init_centaur+0x148/0x1e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03f5334>] kbd_init+0x64/0xa0 [<c014da0f>] do_no_page+0xaf/0x3c0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014b269>] pte_alloc_map+0x49/0x1d0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014df90>] handle_mm_fault+0xf0/0x1d0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03f0b64>] kmem_cache_init+0x294/0x330 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03f5334>] kbd_init+0x64/0xa0 [<c011507c>] do_page_fault+0x1cc/0x66a [<c03f5334>] kbd_init+0x64/0xa0 [<c01175e8>] recalc_task_prio+0x88/0x150 [<c02eeedd>] schedule+0x3bd/0x680 [<c0124929>] sys_alarm+0x39/0x60 [<c0114eb0>] do_page_fault+0x0/0x66a [<c0108c17>] error_code+0x2b/0x30 lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 printk: 51 messages suppressed. init: page allocation failure. order:0, mode:0x20 [<c01417a3>] __alloc_pages+0x2b3/0x430 [<c916d528>] br_nf_forward_finish+0xb8/0x140 [bridge] [<c0144611>] kmem_getpages+0x31/0xa0 [<c9167d70>] br_forward_finish+0x0/0x70 [bridge] [<c014537e>] cache_grow+0x9e/0x190 [<c01455bd>] cache_alloc_refill+0x14d/0x220 [<c9167d70>] br_forward_finish+0x0/0x70 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c0145899>] kmem_cache_alloc+0x69/0x70 [<c916d132>] br_nf_pre_routing+0x1b2/0x480 [bridge] [<c9168990>] br_pass_frame_up_finish+0x0/0x20 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c0296018>] nf_iterate+0x78/0x90 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168d59>] br_handle_frame+0x1f9/0x270 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c028b894>] netif_receive_skb+0x154/0x2f0 [<c028bad6>] process_backlog+0xa6/0x160 [<c028bc15>] net_rx_action+0x85/0x140 [<c0120315>] __do_softirq+0x95/0xb0 [<c012037d>] do_softirq+0x4d/0x50 [<c010d062>] do_IRQ+0x22/0x30 [<c01048a0>] evtchn_do_upcall+0x70/0xa0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c010482c>] force_evtchn_callback+0xc/0x10 [<c011bdde>] release_console_sem+0x5e/0xd0 [<c011bc07>] vprintk+0x197/0x260 [<c011bc07>] vprintk+0x197/0x260 [<c010d062>] do_IRQ+0x22/0x30 [<c01048a0>] evtchn_do_upcall+0x70/0xa0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c011ba67>] printk+0x17/0x20 [<c01546d5>] show_swap_cache_info+0x45/0x80 [<c0142173>] show_free_areas+0x2f3/0x3b0 [<c01407b5>] out_of_memory+0x35/0x90 [<c0141836>] __alloc_pages+0x346/0x430 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c0143da0>] __do_page_cache_readahead+0x100/0x180 [<c03eb9fc>] centaur_init_cpu+0xc/0x10 [<c01442c0>] max_sane_readahead+0x30/0x50 [<c013dda7>] filemap_nopage+0x2c7/0x3e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb958>] init_centaur+0x148/0x1e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03f5334>] kbd_init+0x64/0xa0 [<c014da0f>] do_no_page+0xaf/0x3c0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014b269>] pte_alloc_map+0x49/0x1d0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014df90>] handle_mm_fault+0xf0/0x1d0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03f0b64>] kmem_cache_init+0x294/0x330 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03f5334>] kbd_init+0x64/0xa0 [<c011507c>] do_page_fault+0x1cc/0x66a [<c03f5334>] kbd_init+0x64/0xa0 [<c01175e8>] recalc_task_prio+0x88/0x150 [<c02eeedd>] schedule+0x3bd/0x680 [<c0124929>] sys_alarm+0x39/0x60 [<c0114eb0>] do_page_fault+0x0/0x66a [<c0108c17>] error_code+0x2b/0x30 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes printk: 44 messages suppressed. init: page allocation failure. order:0, mode:0x20 [<c01417a3>] __alloc_pages+0x2b3/0x430 [<c916d528>] br_nf_forward_finish+0xb8/0x140 [bridge] [<c0144611>] kmem_getpages+0x31/0xa0 [<c0284dd4>] alloc_skb_from_cache+0x44/0xe0 [<c014537e>] cache_grow+0x9e/0x190 [<c01455bd>] cache_alloc_refill+0x14d/0x220 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c0145899>] kmem_cache_alloc+0x69/0x70 [<c916d132>] br_nf_pre_routing+0x1b2/0x480 [bridge] [<c0285014>] kfree_skbmem+0x24/0x30 [<c0296018>] nf_iterate+0x78/0x90 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168d59>] br_handle_frame+0x1f9/0x270 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c028b894>] netif_receive_skb+0x154/0x2f0 [<c028bad6>] process_backlog+0xa6/0x160 [<c028bc15>] net_rx_action+0x85/0x140 [<c0120315>] __do_softirq+0x95/0xb0 [<c012037d>] do_softirq+0x4d/0x50 [<c010d062>] do_IRQ+0x22/0x30 [<c01048a0>] evtchn_do_upcall+0x70/0xa0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c010482c>] force_evtchn_callback+0xc/0x10 [<c011bdde>] release_console_sem+0x5e/0xd0 [<c011bc07>] vprintk+0x197/0x260 [<c012c340>] __rcu_process_callbacks+0xa0/0x100 [<c0141e10>] get_zone_counts+0x50/0x80 [<c011ba67>] printk+0x17/0x20 [<c0142039>] show_free_areas+0x1b9/0x3b0 [<c01407b5>] out_of_memory+0x35/0x90 [<c0141836>] __alloc_pages+0x346/0x430 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c0143da0>] __do_page_cache_readahead+0x100/0x180 [<c03eb9fc>] centaur_init_cpu+0xc/0x10 [<c01442c0>] max_sane_readahead+0x30/0x50 [<c013dda7>] filemap_nopage+0x2c7/0x3e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb958>] init_centaur+0x148/0x1e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03f5334>] kbd_init+0x64/0xa0 [<c014da0f>] do_no_page+0xaf/0x3c0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014b269>] pte_alloc_map+0x49/0x1d0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014df90>] handle_mm_fault+0xf0/0x1d0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03f0b64>] kmem_cache_init+0x294/0x330 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03f5334>] kbd_init+0x64/0xa0 [<c011507c>] do_page_fault+0x1cc/0x66a [<c03f5334>] kbd_init+0x64/0xa0 [<c01175e8>] recalc_task_prio+0x88/0x150 [<c02eeedd>] schedule+0x3bd/0x680 [<c0124929>] sys_alarm+0x39/0x60 [<c0114eb0>] do_page_fault+0x0/0x66a [<c0108c17>] error_code+0x2b/0x30 lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB ( and later: Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no printk: 47 messages suppressed. init: page allocation failure. order:0, mode:0x20 [<c01417a3>] __alloc_pages+0x2b3/0x430 [<c916d528>] br_nf_forward_finish+0xb8/0x140 [bridge] [<c0144611>] kmem_getpages+0x31/0xa0 [<c014537e>] cache_grow+0x9e/0x190 [<c01455bd>] cache_alloc_refill+0x14d/0x220 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c0145899>] kmem_cache_alloc+0x69/0x70 [<c916d132>] br_nf_pre_routing+0x1b2/0x480 [bridge] [<c0296018>] nf_iterate+0x78/0x90 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168d59>] br_handle_frame+0x1f9/0x270 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c028b894>] netif_receive_skb+0x154/0x2f0 [<c028bad6>] process_backlog+0xa6/0x160 [<c028bc15>] net_rx_action+0x85/0x140 [<c0120315>] __do_softirq+0x95/0xb0 [<c012037d>] do_softirq+0x4d/0x50 [<c010d062>] do_IRQ+0x22/0x30 [<c01048a0>] evtchn_do_upcall+0x70/0xa0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c010482c>] force_evtchn_callback+0xc/0x10 [<c011bdde>] release_console_sem+0x5e/0xd0 [<c011bc07>] vprintk+0x197/0x260 [<c012c340>] __rcu_process_callbacks+0xa0/0x100 [<c0141e10>] get_zone_counts+0x50/0x80 [<c011ba67>] printk+0x17/0x20 [<c0142039>] show_free_areas+0x1b9/0x3b0 [<c01407b5>] out_of_memory+0x35/0x90 [<c0141836>] __alloc_pages+0x346/0x430 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c0143da0>] __do_page_cache_readahead+0x100/0x180 [<c03eb9fc>] centaur_init_cpu+0xc/0x10 [<c01442c0>] max_sane_readahead+0x30/0x50 [<c013dda7>] filemap_nopage+0x2c7/0x3e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb958>] init_centaur+0x148/0x1e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03f5334>] kbd_init+0x64/0xa0 [<c014da0f>] do_no_page+0xaf/0x3c0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014b269>] pte_alloc_map+0x49/0x1d0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014df90>] handle_mm_fault+0xf0/0x1d0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03f0b64>] kmem_cache_init+0x294/0x330 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03f5334>] kbd_init+0x64/0xa0 [<c011507c>] do_page_fault+0x1cc/0x66a [<c03f5334>] kbd_init+0x64/0xa0 [<c01175e8>] recalc_task_prio+0x88/0x150 [<c02eeedd>] schedule+0x3bd/0x680 [<c0124929>] sys_alarm+0x39/0x60 [<c0114eb0>] do_page_fault+0x0/0x66a [<c0108c17>] error_code+0x2b/0x30 lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB oom-killer: gfp_mask=0x1d2 DMA per-cpu: cpu 0 hot: low 30, high 90, batch 15 cpu 0 cold: low 0, high 30, batch 15 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 548kB (0kB HighMem) printk: 33 messages suppressed. init: page allocation failure. order:0, mode:0x20 [<c01417a3>] __alloc_pages+0x2b3/0x430 [<c916d528>] br_nf_forward_finish+0xb8/0x140 [bridge] [<c0144611>] kmem_getpages+0x31/0xa0 [<c9167d70>] br_forward_finish+0x0/0x70 [bridge] [<c014537e>] cache_grow+0x9e/0x190 [<c01455bd>] cache_alloc_refill+0x14d/0x220 [<c9167d70>] br_forward_finish+0x0/0x70 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c0145899>] kmem_cache_alloc+0x69/0x70 [<c916d132>] br_nf_pre_routing+0x1b2/0x480 [bridge] [<c9168990>] br_pass_frame_up_finish+0x0/0x20 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c0296018>] nf_iterate+0x78/0x90 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c029631e>] nf_hook_slow+0x6e/0x100 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c9168d59>] br_handle_frame+0x1f9/0x270 [bridge] [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c028b894>] netif_receive_skb+0x154/0x2f0 [<c028bad6>] process_backlog+0xa6/0x160 [<c028bc15>] net_rx_action+0x85/0x140 [<c0120315>] __do_softirq+0x95/0xb0 [<c012037d>] do_softirq+0x4d/0x50 [<c010d062>] do_IRQ+0x22/0x30 [<c01048a0>] evtchn_do_upcall+0x70/0xa0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c010482c>] force_evtchn_callback+0xc/0x10 [<c011bdde>] release_console_sem+0x5e/0xd0 [<c011bc07>] vprintk+0x197/0x260 [<c012c340>] __rcu_process_callbacks+0xa0/0x100 [<c0141e10>] get_zone_counts+0x50/0x80 [<c011ba67>] printk+0x17/0x20 [<c0141f40>] show_free_areas+0xc0/0x3b0 [<c0108c48>] hypervisor_callback+0x2c/0x34 [<c01407b5>] out_of_memory+0x35/0x90 [<c0141836>] __alloc_pages+0x346/0x430 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c0143da0>] __do_page_cache_readahead+0x100/0x180 [<c03eb9fc>] centaur_init_cpu+0xc/0x10 [<c01442c0>] max_sane_readahead+0x30/0x50 [<c013dda7>] filemap_nopage+0x2c7/0x3e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb958>] init_centaur+0x148/0x1e0 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03eb9f8>] centaur_init_cpu+0x8/0x10 [<c03f5334>] kbd_init+0x64/0xa0 [<c014da0f>] do_no_page+0xaf/0x3c0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014b269>] pte_alloc_map+0x49/0x1d0 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c014df90>] handle_mm_fault+0xf0/0x1d0 [<c03f5334>] kbd_init+0x64/0xa0 [<c03f0b64>] kmem_cache_init+0x294/0x330 [<c03feb7c>] ip_auto_config_setup+0x1bc/0x230 [<c03f5334>] kbd_init+0x64/0xa0 [<c011507c>] do_page_fault+0x1cc/0x66a [<c03f5334>] kbd_init+0x64/0xa0 [<c01175e8>] recalc_task_prio+0x88/0x150 [<c02eeedd>] schedule+0x3bd/0x680 [<c0124929>] sys_alarm+0x39/0x60 [<c0114eb0>] do_page_fault+0x0/0x66a [<c0108c17>] error_code+0x2b/0x30 Active:60 inactive:186 dirty:1 writeback:0 unstable:0 free:137 slab:14184 mapped:19 pagetables:3 DMA free:548kB min:1492kB low:1864kB high:2236kB active:240kB inactive:744kB present:139264kB pages_scanned:381 all_unreclaimable? yes lowmem_reserve[]: 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 HighMem free:0kB min:128kB low:160kB high:192kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA: 1*4kB 0*8kB 0*16kB 1*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 548kB Normal: empty HighMem: empty Swap cache: add 120470, delete 120465, find 45260/94674, race 0+2 Free swap = 2096316kB Total swap = 2096376kB printk: 45 messages suppressed. init: page allocation failure. order:0, mode:0x20 [<c01417a3>] __alloc_pages+0x2b3/0x430 [<c0144611>] kmem_getpages+0x31/0xa0 [<c014537e>] cache_grow+0x9e/0x190 [<c01455bd>] cache_alloc_refill+0x14d/0x220 [<c9168a30>] br_handle_frame_finish+0x0/0x130 [bridge] [<c0145899>] kmem_cache_alloc+0x69/0x70 [<c9ÿü it was continuously scrolling until I flicked the power. Any recommened different kernel / options? More RAM for dom0? Currently has 128M though. Thanks, Andy

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