[Xen-devel] devel/next-2.6.39 SLUB: Unable to allocate memory on node -1 (gfp=0x20)

[Sander Eikelenboom <linux@xxxxxxxxxxxxxx>]

Hi Konrad,

It seems i have another problem with the devel/next-2.6.39 as dom0, don't know 
if it's xen related or not.
It doesn't crash the machine, also netwerk still seems to work, but these warns 
keep coming say one till 3 a minute.
I haven't changed the rest of the parameters/setup from the stable 
configuration i was running before with a 2.6.32 from jeremy.
The panic i reported earlier hasn't hit me again yet (after attaching serial 
console).

--
Sander

May 23 09:01:58 serveerstertje kernel: [128112.912479] swapper: page allocation 
failure. order:0, mode:0x4020
May 23 09:01:58 serveerstertje kernel: [128112.916453] Pid: 0, comm: swapper 
Not tainted 2.6.39-xen-next-2.6.39-konrad+ #5
May 23 09:01:58 serveerstertje kernel: [128112.916453] Call Trace:
May 23 09:01:58 serveerstertje kernel: [128112.916453]  <IRQ>  
[<ffffffff8112213c>] __alloc_pages_nodemask+0x64c/0x7e0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8132bdf6>] ? 
security_sock_rcv_skb+0x16/0x20
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff819899b8>] ? 
tcp_v4_rcv+0x828/0x930
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff811588c3>] 
new_slab+0x233/0x250
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81158f34>] 
T.1026+0x194/0x440
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8190a014>] ? 
__netdev_alloc_skb+0x24/0x50
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8115afcc>] 
__kmalloc_track_caller+0x15c/0x1e0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8190a014>] ? 
__netdev_alloc_skb+0x24/0x50
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81908d67>] 
__alloc_skb+0x77/0x160
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8190a014>] 
__netdev_alloc_skb+0x24/0x50
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff815ea2fb>] 
rtl8169_rx_interrupt+0x20b/0x420
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff815eb51e>] ? 
rtl8169_interrupt+0xfe/0x3e0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff815ed06c>] 
rtl8169_poll+0x3c/0x1c0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8104c21d>] ? 
xen_force_evtchn_callback+0xd/0x10
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8191313e>] 
net_rx_action+0x14e/0x2d0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8109ec61>] 
__do_softirq+0xd1/0x230
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff810e7b2d>] ? 
handle_edge_irq+0x6d/0x120
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81a8cbdc>] 
call_softirq+0x1c/0x30
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8105231d>] 
do_softirq+0x8d/0xf0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8109e96e>] 
irq_exit+0x9e/0xc0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8140e675>] 
xen_evtchn_do_upcall+0x35/0x50
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81a8cc2e>] 
xen_do_hypervisor_callback+0x1e/0x30
May 23 09:01:58 serveerstertje kernel: [128112.916453]  <EOI>  
[<ffffffff810013aa>] ? hypercall_page+0x3aa/0x1000
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff810013aa>] ? 
hypercall_page+0x3aa/0x1000
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8104c280>] ? 
xen_safe_halt+0x10/0x20
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81058f2a>] ? 
default_idle+0x5a/0x110
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff8104f80b>] ? 
cpu_idle+0x7b/0xd0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff81a4f22d>] ? 
rest_init+0x6d/0x80
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff821a5dde>] ? 
start_kernel+0x48d/0x498
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff821a5346>] ? 
x86_64_start_reservations+0x131/0x135
May 23 09:01:58 serveerstertje kernel: [128112.916453]  [<ffffffff821a9dcd>] ? 
xen_start_kernel+0x5d8/0x5df
May 23 09:01:58 serveerstertje kernel: [128112.916453] Mem-Info:
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA per-cpu:
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    0: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    1: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    2: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    3: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    4: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    5: hi:    0, 
btch:   1 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA32 per-cpu:
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    0: hi:  186, 
btch:  31 usd: 197
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    1: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    2: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    3: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    4: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    5: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] Normal per-cpu:
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    0: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    1: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    2: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    3: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    4: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] CPU    5: hi:  186, 
btch:  31 usd:   0
May 23 09:01:58 serveerstertje kernel: [128112.916453] active_anon:2892 
inactive_anon:13225 isolated_anon:0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  active_file:46371 
inactive_file:46406 isolated_file:0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  unevictable:497 
dirty:10074 writeback:0 unstable:0
May 23 09:01:58 serveerstertje kernel: [128112.916453]  free:10892 
slab_reclaimable:7833 slab_unreclaimable:4902
May 23 09:01:58 serveerstertje kernel: [128112.916453]  mapped:1519 shmem:341 
pagetables:573 bounce:0
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA free:15924kB 
min:20kB low:24kB high:28kB active_anon:0kB inactive_anon:0kB active_file:0kB 
inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB 
present:15700kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB 
slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB 
unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
May 23 09:01:58 serveerstertje kernel: [128112.916453] lowmem_reserve[]: 0 696 
7513 7513
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA32 free:27644kB 
min:1024kB low:1280kB high:1536kB active_anon:11568kB inactive_anon:52900kB 
active_file:185484kB inactive_file:185624kB unevictable:1988kB 
isolated(anon):0kB isolated(file):0kB present:712928kB mlocked:1988kB 
dirty:40296kB writeback:0kB mapped:6076kB shmem:1364kB slab_reclaimable:31332kB 
slab_unreclaimable:19608kB kernel_stack:1680kB pagetables:2292kB unstable:0kB 
bounce:0kB writeback_tmp:0kB pages_scanned:8 all_unreclaimable? no
May 23 09:01:58 serveerstertje kernel: [128112.916453] lowmem_reserve[]: 0 0 
6817 6817
May 23 09:01:58 serveerstertje kernel: [128112.916453] Normal free:0kB 
min:10052kB low:12564kB high:15076kB active_anon:0kB inactive_anon:0kB 
active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB 
isolated(file):0kB present:6981120kB mlocked:0kB dirty:0kB writeback:0kB 
mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB 
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB 
pages_scanned:0 all_unreclaimable? yes
May 23 09:01:58 serveerstertje kernel: [128112.916453] lowmem_reserve[]: 0 0 0 0
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA: 1*4kB 0*8kB 1*16kB 
1*32kB 2*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 3*4096kB = 15924kB
May 23 09:01:58 serveerstertje kernel: [128112.916453] DMA32: 545*4kB 182*8kB 
374*16kB 340*32kB 88*64kB 10*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 
27668kB
May 23 09:01:58 serveerstertje kernel: [128112.916453] Normal: 0*4kB 0*8kB 
0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
May 23 09:01:58 serveerstertje kernel: [128112.916453] 94198 total pagecache 
pages
May 23 09:01:58 serveerstertje kernel: [128112.916453] 667 pages in swap cache
May 23 09:01:58 serveerstertje kernel: [128112.916453] Swap cache stats: add 
8251, delete 7584, find 211335/211728
May 23 09:01:58 serveerstertje kernel: [128112.916453] Free swap  = 2078352kB
May 23 09:01:58 serveerstertje kernel: [128112.916453] Total swap = 2097148kB
May 23 09:01:58 serveerstertje kernel: [128112.916453] 1966064 pages RAM
May 23 09:01:58 serveerstertje kernel: [128112.916453] 1825240 pages reserved
May 23 09:01:58 serveerstertje kernel: [128112.916453] 94876 pages shared
May 23 09:01:58 serveerstertje kernel: [128112.916453] 38994 pages non-shared
May 23 09:01:58 serveerstertje kernel: [128112.916453] SLUB: Unable to allocate 
memory on node -1 (gfp=0x20)
May 23 09:01:58 serveerstertje kernel: [128112.916453]   cache: kmalloc-2048, 
object size: 2048, buffer size: 2048, default order: 3, min order: 0
May 23 09:01:58 serveerstertje kernel: [128112.916453]   node 0: slabs: 55, 
objs: 866, free: 0



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