http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=530
Summary: memory leak eventually causes oom-killer
Product: Xen
Version: 3.0.0
Platform: x86
OS/Version: Linux-2.6
Status: NEW
Severity: critical
Priority: P2
Component: Hypervisor
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: andy@xxxxxxxxxxxxxx
Hi,
One of my servers has had its dom0 "oops" over and over twice in the last week.
xen_changeset : Mon Dec 12 18:47:47 2005 +0100 8270:4ad23e798798
dom0 kernel is a vanilla 2.6.12 with Ralph's Passgang's .6+xen kernel patch
applied. x86_32 Debian 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.
After reboot and some time running I again start to see that the free memory is
disappearing, and I can't see where it is going to. On a very quiet dom0 that
initially used no more than 100M:
$ free
total used free shared buffers cached
Mem: 262332 255236 7096 0 44200 14892
-/+ buffers/cache: 196144 66188
Swap: 2096376 0 2096376
Any recommened different kernel / options?
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