Comment 15 for bug 491943

I have a 12 GB system with 2 quad-core Xeons running with lucid 32-bit PAE kernel, and am getting this as well.

[ 13.068253] ureadahead invoked oom-killer: gfp_mask=0xd0, order=0, oom_adj=0
[ 13.068348] ureadahead cpuset=/ mems_allowed=0
[ 13.068433] Pid: 434, comm: ureadahead Not tainted 2.6.32-24-generic-pae #39-Ubuntu
[ 13.068542] Call Trace:
[ 13.068626] [<c01d5714>] oom_kill_process+0xa4/0x2b0
[ 13.068712] [<c01d5d89>] ? select_bad_process+0xa9/0xe0
[ 13.068800] [<c01d5e11>] __out_of_memory+0x51/0xa0
[ 13.068883] [<c01d5eb8>] out_of_memory+0x58/0xb0
[ 13.068969] [<c01d86f7>] __alloc_pages_slowpath+0x407/0x4a0
[ 13.069057] [<c01d88ca>] __alloc_pages_nodemask+0x13a/0x170
[ 13.069143] [<c01d891c>] __get_free_pages+0x1c/0x30
[ 13.069227] [<c01b643a>] ring_buffer_resize+0x18a/0x2a0
[ 13.069313] [<c01b7a15>] tracing_resize_ring_buffer+0x25/0x80
[ 13.069402] [<c01bb772>] tracing_entries_write+0xe2/0x160
[ 13.069485] [<c01baf87>] ? trace_nowake_buffer_unlock_commit+0x37/0x50
[ 13.069573] [<c02ff724>] ? security_file_permission+0x14/0x20
[ 13.069659] [<c02123b4>] ? rw_verify_area+0x64/0xe0
[ 13.069743] [<c05b3347>] ? unlock_kernel+0x27/0x30
[ 13.069828] [<c02124d2>] vfs_write+0xa2/0x1a0
[ 13.069911] [<c035e7c9>] ? copy_to_user+0x39/0x130
[ 13.069994] [<c01bb690>] ? tracing_entries_write+0x0/0x160
[ 13.070078] [<c0212df2>] sys_write+0x42/0x70
[ 13.070161] [<c0109763>] sysenter_do_call+0x12/0x28
[ 13.070243] Mem-Info:
[ 13.070322] DMA per-cpu:
[ 13.070459] CPU 0: hi: 0, btch: 1 usd: 0
[ 13.070542] CPU 1: hi: 0, btch: 1 usd: 0
[ 13.070623] CPU 2: hi: 0, btch: 1 usd: 0
[ 13.070705] CPU 3: hi: 0, btch: 1 usd: 0
[ 13.070786] CPU 4: hi: 0, btch: 1 usd: 0
[ 13.070870] CPU 5: hi: 0, btch: 1 usd: 0
[ 13.070951] CPU 6: hi: 0, btch: 1 usd: 0
[ 13.071032] CPU 7: hi: 0, btch: 1 usd: 0
[ 13.071114] Normal per-cpu:
[ 13.071192] CPU 0: hi: 186, btch: 31 usd: 176
[ 13.071274] CPU 1: hi: 186, btch: 31 usd: 178
[ 13.071359] CPU 2: hi: 186, btch: 31 usd: 76
[ 13.071442] CPU 3: hi: 186, btch: 31 usd: 118
[ 13.071524] CPU 4: hi: 186, btch: 31 usd: 135
[ 13.071609] CPU 5: hi: 186, btch: 31 usd: 184
[ 13.071692] CPU 6: hi: 186, btch: 31 usd: 172
[ 13.071773] CPU 7: hi: 186, btch: 31 usd: 90
[ 13.071854] HighMem per-cpu:
[ 13.071932] CPU 0: hi: 186, btch: 31 usd: 172
[ 13.072014] CPU 1: hi: 186, btch: 31 usd: 159
[ 13.072096] CPU 2: hi: 186, btch: 31 usd: 166
[ 13.072177] CPU 3: hi: 186, btch: 31 usd: 166
[ 13.072259] CPU 4: hi: 186, btch: 31 usd: 40
[ 13.072343] CPU 5: hi: 186, btch: 31 usd: 107
[ 13.072426] CPU 6: hi: 186, btch: 31 usd: 185
[ 13.072510] CPU 7: hi: 186, btch: 31 usd: 42
[ 13.072593] active_anon:204 inactive_anon:96 isolated_anon:0
[ 13.072593] active_file:122 inactive_file:618 isolated_file:0
[ 13.072594] unevictable:0 dirty:0 writeback:0 unstable:0
[ 13.072595] free:2914842 slab_reclaimable:404 slab_unreclaimable:5300
[ 13.072596] mapped:335 shmem:52 pagetables:73 bounce:0
[ 13.073010] DMA free:3524kB min:64kB low:80kB high:96kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15840kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:68kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
[ 13.073220] lowmem_reserve[]: 0 867 12149 12149
[ 13.073595] Normal free:3564kB min:3732kB low:4664kB high:5596kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:176kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:887976kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:1616kB slab_unreclaimable:21132kB kernel_stack:1312kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:55 all_unreclaimable? no
[ 13.073810] lowmem_reserve[]: 0 0 90262 90262
[ 13.074184] HighMem free:11652280kB min:512kB low:12652kB high:24796kB active_anon:816kB inactive_anon:384kB active_file:492kB inactive_file:2296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:11553620kB mlocked:0kB dirty:0kB writeback:0kB mapped:1340kB shmem:208kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:292kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
[ 13.074446] lowmem_reserve[]: 0 0 0 0
[ 13.074815] DMA: 3*4kB 1*8kB 5*16kB 5*32kB 3*64kB 2*128kB 3*256kB 2*512kB 1*1024kB 0*2048kB 0*4096kB = 3524kB
[ 13.075623] Normal: 24*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 3680kB
[ 13.076425] HighMem: 146*4kB 129*8kB 50*16kB 30*32kB 14*64kB 10*128kB 4*256kB 2*512kB 4*1024kB 6*2048kB 2839*4096kB = 11652528kB
[ 13.077235] 713 total pagecache pages
[ 13.077315] 0 pages in swap cache
[ 13.077395] Swap cache stats: add 0, delete 0, find 0/0
[ 13.077477] Free swap = 0kB
[ 13.077555] Total swap = 0kB
[ 13.098599] 3670016 pages RAM
[ 13.098683] 3442178 pages HighMem
[ 13.098770] 575864 pages reserved
[ 13.098855] 645 pages shared
[ 13.098938] 176367 pages non-shared
[ 13.099023] Out of memory: kill process 434 (ureadahead) score 36 or a child
[ 13.099123] Killed process 434 (ureadahead)

and repeats one more time.