kernel: Xorg: page allocation failure. order:1, mode:0x50d0

Can someone tell me what this means? The rest of the output is:

Sep 12 19:20:25 localhost kernel: Pid: 30525, comm: Xorg Not tainted
2.6.33.7-desktop586-1mnb #1
Sep 12 19:20:25 localhost kernel: Call Trace:
Sep 12 19:20:25 localhost kernel: [<c042a8bf>] ? printk+0x1d/0x26
Sep 12 19:20:25 localhost kernel: [<c01c2356>] __alloc_pages_nodemask
+0x466/0x5a0
Sep 12 19:20:25 localhost kernel: [<c01ecee7>] __slab_alloc+0x537/0x540
Sep 12 19:20:25 localhost kernel: [<c01ede09>] __kmalloc+0xd9/0x170
Sep 12 19:20:25 localhost kernel: [<c0328772>] ? agp_alloc_page_array
+0x52/0x70
Sep 12 19:20:25 localhost kernel: [<c0328772>] ? agp_alloc_page_array
+0x52/0x70
Sep 12 19:20:25 localhost kernel: [<c0328772>] agp_alloc_page_array
+0x52/0x70
Sep 12 19:20:25 localhost kernel: [<c03287f5>] agp_generic_alloc_user
+0x65/0xf0
Sep 12 19:20:25 localhost kernel: [<c03289a9>] agp_allocate_memory
+0x69/0x100
Sep 12 19:20:25 localhost kernel: [<f0b13114>] ttm_agp_populate
+0x24/0x90 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b1464f>] ttm_tt_populate+0x6f/0x90
[ttm]
Sep 12 19:20:25 localhost kernel: [<f0b1419c>] ttm_tt_set_caching
+0x2c/0x1e0 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b14a2a>]
ttm_tt_set_placement_caching+0x2a/0x30 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b15de4>] ttm_bo_handle_move_mem
+0x2d4/0x340 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b165fc>] ttm_mem_evict_first
+0x20c/0x4a0 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b16c5f>] ttm_bo_mem_space
+0x3cf/0x4c0 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b16de6>] ttm_bo_move_buffer
+0x96/0x100 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b16ee6>] ttm_bo_validate
+0x96/0x130 [ttm]
Sep 12 19:20:25 localhost kernel: [<f0b171d8>] ttm_bo_init+0x258/0x2d0
[ttm]
Sep 12 19:20:25 localhost kernel: [<c0137815>] ? __wake_up+0x45/0x60
Sep 12 19:20:25 localhost kernel: [<f1398c97>] nouveau_bo_new
+0x157/0x3e0 [nouveau]
Sep 12 19:20:25 localhost kernel: [<f1398a90>] ? nouveau_bo_del_ttm
+0x0/0xb0 [nouveau]
Sep 12 19:20:25 localhost kernel: [<c029dead>] ? kref_put+0x2d/0x60
Sep 12 19:20:25 localhost kernel: [<f139a1cf>] nouveau_gem_new+0x4f/0xc0
[nouveau]
Sep 12 19:20:25 localhost kernel: [<f139a7c3>] nouveau_gem_ioctl_new
+0x133/0x310 [nouveau]
Sep 12 19:20:25 localhost kernel: [<c0306480>] ? pnp_bios_isapnp_config
+0x140/0x170
Sep 12 19:20:25 localhost kernel: [<f0a7a6ec>] drm_ioctl+0x26c/0x400
[drm]
Sep 12 19:20:25 localhost kernel: [<c0306480>] ? pnp_bios_isapnp_config
+0x140/0x170
Sep 12 19:20:25 localhost kernel: [<f139a690>] ? nouveau_gem_ioctl_new
+0x0/0x310 [nouveau]
Sep 12 19:20:25 localhost kernel: [<c0109718>] ? sched_clock+0x8/0x10
Sep 12 19:20:25 localhost kernel: [<c0166cf5>] ? sched_clock_local
+0xa5/0x180
Sep 12 19:20:25 localhost kernel: [<c0306480>] ? pnp_bios_isapnp_config
+0x140/0x170
Sep 12 19:20:25 localhost kernel: [<c0201d02>] vfs_ioctl+0x32/0xb0
Sep 12 19:20:25 localhost kernel: [<f0a7a480>] ? drm_ioctl+0x0/0x400
[drm]
Sep 12 19:20:25 localhost kernel: [<c02024c2>] do_vfs_ioctl+0x72/0x5c0
Sep 12 19:20:25 localhost kernel: [<c042ae8e>] ? schedule+0x3de/0xa40
Sep 12 19:20:25 localhost kernel: [<c01f4344>] ? rw_verify_area
+0x64/0xe0
Sep 12 19:20:25 localhost kernel: [<c0202a77>] sys_ioctl+0x67/0x80
Sep 12 19:20:25 localhost kernel: [<c0103c23>] sysenter_do_call
+0x12/0x28
Sep 12 19:20:25 localhost kernel: [<c0306480>] ? pnp_bios_isapnp_config
+0x140/0x170
Sep 12 19:20:25 localhost kernel: [<c0306480>] ? pnp_bios_isapnp_config
+0x140/0x170
Sep 12 19:20:25 localhost kernel: Mem-Info:
Sep 12 19:20:25 localhost kernel: DMA per-cpu:
Sep 12 19:20:25 localhost kernel: CPU    0: hi:    0, btch:   1 usd:   0
Sep 12 19:20:25 localhost kernel: Normal per-cpu:
Sep 12 19:20:25 localhost kernel: CPU    0: hi:  186, btch:  31 usd:   0
Sep 12 19:20:25 localhost kernel: active_anon:50381 inactive_anon:51449
isolated_anon:10
Sep 12 19:20:25 localhost kernel: active_file:25400 inactive_file:28484
isolated_file:57
Sep 12 19:20:25 localhost kernel: unevictable:4 dirty:5533 writeback:182
unstable:0
Sep 12 19:20:25 localhost kernel: free:2398 slab_reclaimable:12873
slab_unreclaimable:2544
Sep 12 19:20:25 localhost kernel: mapped:10688 shmem:1843
pagetables:1217 bounce:0
Sep 12 19:20:25 localhost kernel: DMA free:3052kB min:68kB low:84kB
high:100kB active_anon:1008kB inactive_anon:1384kB active_file:2336kB
inactive_file:1832kB unevictable:0kB isolated(anon):0kB
isolated(file):0kB present:15868kB mlocked:0kB dirty:8kB writeback:0kB
mapped:892kB shmem:0kB slab_reclaimable:84kB slab_unreclaimable:184kB
kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB
writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Sep 12 19:20:25 localhost kernel: lowmem_reserve[]: 0 746 746 746
Sep 12 19:20:25 localhost kernel: Normal free:6540kB min:3460kB
low:4324kB high:5188kB active_anon:200516kB inactive_anon:204412kB
active_file:99264kB inactive_file:112104kB unevictable:16kB
isolated(anon):40kB isolated(file):228kB present:763968kB mlocked:16kB
dirty:22124kB writeback:728kB mapped:41860kB shmem:7372kB
slab_reclaimable:51408kB slab_unreclaimable:9992kB kernel_stack:2152kB
pagetables:4868kB unstable:0kB bounce:0kB writeback_tmp:0kB
pages_scanned:0 all_unreclaimable? no
Sep 12 19:20:25 localhost kernel: lowmem_reserve[]: 0 0 0 0
Sep 12 19:20:25 localhost kernel: DMA: 3*4kB 3*8kB 3*16kB 1*32kB 2*64kB
0*128kB 1*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3060kB
Sep 12 19:20:25 localhost kernel: Normal: 1357*4kB 129*8kB 5*16kB 0*32kB
0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6540kB
Sep 12 19:20:25 localhost kernel: 76135 total pagecache pages
Sep 12 19:20:25 localhost kernel: 20372 pages in swap cache
Sep 12 19:20:25 localhost kernel: Swap cache stats: add 1101855, delete
1081483, find 2818877/2958097
Sep 12 19:20:25 localhost kernel: Free swap  = 789520kB
Sep 12 19:20:25 localhost kernel: Total swap = 1076312kB
Sep 12 19:20:25 localhost kernel: 196592 pages RAM
Sep 12 19:20:25 localhost kernel: 0 pages HighMem
Sep 12 19:20:25 localhost kernel: 3388 pages reserved
Sep 12 19:20:25 localhost kernel: 108941 pages shared
Sep 12 19:20:25 localhost kernel: 128618 pages non-shared
Sep 12 19:20:25 localhost kernel: SLUB: Unable to allocate memory on
node -1 (gfp=0x10d0)
Sep 12 19:20:25 localhost kernel:  cache: kmalloc-8192, object size:
8192, buffer size: 8192, default order: 3, min order: 1
Sep 12 19:20:25 localhost kernel:  node 0: slabs: 5, objs: 20, free: 0

First time I've seen something like this. FWIW at the time I was makeing
an incremental backup using rsync to my 350Gb USB drive. Did that have
something to do with it?

-- 
Chris
KeyID 0xE372A7DA98E6705C

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