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Subject[RFC] Reproducible OOM with just a few sleeps
Dear Linux-MM,

Seems that any i386 PAE machine will go OOM just by running a few
processes. To reproduce:
sh -c 'n=0; while [ $n -lt 19999 ]; do sleep 600 & ((n=n+1)); done'
My machine has 64GB RAM. With previous OOM episodes, it seemed that
running (booting) it with mem=32G might avoid OOM; but an OOM was
obtained just the same, and also with lower memory:
Memory sleeps to OOM free shows total
(mem=64G) 5300 64447796
mem=32G 10200 31155512
mem=16G 13400 14509364
mem=8G 14200 6186296
mem=6G 15200 4105532
mem=4G 16400 2041364
The machine does not run out of highmem, nor does it use any swap.

Comparing with my desktop PC: has 4GB RAM installed, free shows 3978592
total. Running the "sleep test", it simply froze after 16400 running...
no response to ping, will need to press the RESET button.

---

On my large machine, 'free' fails to show about 2GB memory, e.g. with
mem=16G it shows:

root@zeno:~# free -l
total used free shared buffers cached
Mem: 14509364 435440 14073924 0 4068 111328
Low: 769044 120232 648812
High: 13740320 315208 13425112
-/+ buffers/cache: 320044 14189320
Swap: 134217724 0 134217724

---

Please let me know of any ideas, or if you want me to run some other
test or want to see some other output.

Thanks, Paul

Paul Szabo psz@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney Australia


-----

Details for when my machine was running with 64GB RAM:

In another window I was running
cat /proc/slabinfo; free -l
repeatedly, and output of that (just before OOM) was:

+ cat /proc/slabinfo
slabinfo - version: 2.1
# name <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> : tunables <limit> <batchcount> <sharedfactor> : slabdata <active_slabs> <num_slabs> <sharedavail>
fuse_request 0 0 376 43 4 : tunables 0 0 0 : slabdata 0 0 0
fuse_inode 0 0 448 36 4 : tunables 0 0 0 : slabdata 0 0 0
bsg_cmd 0 0 288 28 2 : tunables 0 0 0 : slabdata 0 0 0
ntfs_big_inode_cache 0 0 512 32 4 : tunables 0 0 0 : slabdata 0 0 0
ntfs_inode_cache 0 0 176 46 2 : tunables 0 0 0 : slabdata 0 0 0
nfs_direct_cache 0 0 80 51 1 : tunables 0 0 0 : slabdata 0 0 0
nfs_inode_cache 28 28 584 28 4 : tunables 0 0 0 : slabdata 1 1 0
isofs_inode_cache 0 0 360 45 4 : tunables 0 0 0 : slabdata 0 0 0
fat_inode_cache 0 0 408 40 4 : tunables 0 0 0 : slabdata 0 0 0
fat_cache 0 0 24 170 1 : tunables 0 0 0 : slabdata 0 0 0
jbd2_revoke_record 0 0 32 128 1 : tunables 0 0 0 : slabdata 0 0 0
journal_handle 4080 4080 24 170 1 : tunables 0 0 0 : slabdata 24 24 0
journal_head 1024 1024 64 64 1 : tunables 0 0 0 : slabdata 16 16 0
revoke_record 768 768 16 256 1 : tunables 0 0 0 : slabdata 3 3 0
ext4_inode_cache 0 0 584 28 4 : tunables 0 0 0 : slabdata 0 0 0
ext4_free_data 0 0 40 102 1 : tunables 0 0 0 : slabdata 0 0 0
ext4_allocation_context 0 0 112 36 1 : tunables 0 0 0 : slabdata 0 0 0
ext4_prealloc_space 0 0 72 56 1 : tunables 0 0 0 : slabdata 0 0 0
ext4_io_end 0 0 576 28 4 : tunables 0 0 0 : slabdata 0 0 0
ext4_io_page 0 0 8 512 1 : tunables 0 0 0 : slabdata 0 0 0
ext2_inode_cache 0 0 480 34 4 : tunables 0 0 0 : slabdata 0 0 0
ext3_inode_cache 1467 2079 488 33 4 : tunables 0 0 0 : slabdata 63 63 0
ext3_xattr 0 0 48 85 1 : tunables 0 0 0 : slabdata 0 0 0
dquot 168 168 192 42 2 : tunables 0 0 0 : slabdata 4 4 0
rpc_inode_cache 108 108 448 36 4 : tunables 0 0 0 : slabdata 3 3 0
UDP-Lite 0 0 576 28 4 : tunables 0 0 0 : slabdata 0 0 0
xfrm_dst_cache 0 0 320 51 4 : tunables 0 0 0 : slabdata 0 0 0
UDP 336 336 576 28 4 : tunables 0 0 0 : slabdata 12 12 0
tw_sock_TCP 32 32 128 32 1 : tunables 0 0 0 : slabdata 1 1 0
TCP 504 504 1152 28 8 : tunables 0 0 0 : slabdata 18 18 0
eventpoll_pwq 0 0 40 102 1 : tunables 0 0 0 : slabdata 0 0 0
blkdev_queue 264 264 968 33 8 : tunables 0 0 0 : slabdata 8 8 0
blkdev_requests 925 925 216 37 2 : tunables 0 0 0 : slabdata 25 25 0
biovec-256 10 10 3072 10 8 : tunables 0 0 0 : slabdata 1 1 0
biovec-128 105 105 1536 21 8 : tunables 0 0 0 : slabdata 5 5 0
biovec-64 588 588 768 42 8 : tunables 0 0 0 : slabdata 14 14 0
sock_inode_cache 1512 1512 384 42 4 : tunables 0 0 0 : slabdata 36 36 0
skbuff_fclone_cache 966 966 384 42 4 : tunables 0 0 0 : slabdata 23 23 0
file_lock_cache 648 648 112 36 1 : tunables 0 0 0 : slabdata 18 18 0
shmem_inode_cache 1716 1716 368 44 4 : tunables 0 0 0 : slabdata 39 39 0
Acpi-State 75990 75990 48 85 1 : tunables 0 0 0 : slabdata 894 894 0
taskstats 0 0 328 49 4 : tunables 0 0 0 : slabdata 0 0 0
proc_inode_cache 5326 5588 368 44 4 : tunables 0 0 0 : slabdata 127 127 0
sigqueue 980 980 144 28 1 : tunables 0 0 0 : slabdata 35 35 0
bdev_cache 544 544 512 32 4 : tunables 0 0 0 : slabdata 17 17 0
sysfs_dir_cache 25245 25245 80 51 1 : tunables 0 0 0 : slabdata 495 495 0
inode_cache 2083 2592 336 48 4 : tunables 0 0 0 : slabdata 54 54 0
dentry 7956 10944 128 32 1 : tunables 0 0 0 : slabdata 342 342 0
buffer_head 2847 2847 56 73 1 : tunables 0 0 0 : slabdata 39 39 0
vm_area_struct 103684 103684 88 46 1 : tunables 0 0 0 : slabdata 2254 2254 0
mm_struct 6444 6444 448 36 4 : tunables 0 0 0 : slabdata 179 179 0
signal_cache 6692 6692 576 28 4 : tunables 0 0 0 : slabdata 239 239 0
sighand_cache 6312 6312 1344 24 8 : tunables 0 0 0 : slabdata 263 263 0
task_xstate 6357 6357 832 39 8 : tunables 0 0 0 : slabdata 163 163 0
task_struct 6720 6720 1008 32 8 : tunables 0 0 0 : slabdata 210 210 0
anon_vma_chain 91970 91970 24 170 1 : tunables 0 0 0 : slabdata 541 541 0
anon_vma 57018 57018 40 102 1 : tunables 0 0 0 : slabdata 559 559 0
radix_tree_node 2357 2862 304 53 4 : tunables 0 0 0 : slabdata 54 54 0
idr_layer_cache 1908 1908 152 53 2 : tunables 0 0 0 : slabdata 36 36 0
dma-kmalloc-8192 0 0 8192 4 8 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-4096 0 0 4096 8 8 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-2048 0 0 2048 16 8 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-1024 0 0 1024 32 8 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-512 64 64 512 32 4 : tunables 0 0 0 : slabdata 2 2 0
dma-kmalloc-256 0 0 256 32 2 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-128 0 0 128 32 1 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-64 0 0 64 64 1 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-32 0 0 32 128 1 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-16 0 0 16 256 1 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-8 0 0 8 512 1 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-192 0 0 192 42 2 : tunables 0 0 0 : slabdata 0 0 0
dma-kmalloc-96 0 0 96 42 1 : tunables 0 0 0 : slabdata 0 0 0
kmalloc-8192 88 88 8192 4 8 : tunables 0 0 0 : slabdata 22 22 0
kmalloc-4096 408 408 4096 8 8 : tunables 0 0 0 : slabdata 51 51 0
kmalloc-2048 512 512 2048 16 8 : tunables 0 0 0 : slabdata 32 32 0
kmalloc-1024 3264 3264 1024 32 8 : tunables 0 0 0 : slabdata 102 102 0
kmalloc-512 2048 2048 512 32 4 : tunables 0 0 0 : slabdata 64 64 0
kmalloc-256 6816 6816 256 32 2 : tunables 0 0 0 : slabdata 213 213 0
kmalloc-128 14432 14432 128 32 1 : tunables 0 0 0 : slabdata 451 451 0
kmalloc-64 17728 17728 64 64 1 : tunables 0 0 0 : slabdata 277 277 0
kmalloc-32 27008 27008 32 128 1 : tunables 0 0 0 : slabdata 211 211 0
kmalloc-16 11520 11520 16 256 1 : tunables 0 0 0 : slabdata 45 45 0
kmalloc-8 18432 18432 8 512 1 : tunables 0 0 0 : slabdata 36 36 0
kmalloc-192 33514 33810 192 42 2 : tunables 0 0 0 : slabdata 805 805 0
kmalloc-96 7014 7014 96 42 1 : tunables 0 0 0 : slabdata 167 167 0
kmem_cache 32 32 128 32 1 : tunables 0 0 0 : slabdata 1 1 0
kmem_cache_node 384 384 32 128 1 : tunables 0 0 0 : slabdata 3 3 0
+ free -l
total used free shared buffers cached
Mem: 64447796 1086840 63360956 0 664 16428
Low: 375828 367556 8272
High: 64071968 719284 63352684
-/+ buffers/cache: 1069748 63378048
Swap: 134217724 0 134217724
+


Lines in syslog from just before OOM (my patched kernel with
drop_caches):

Jan 12 11:04:25 zeno kernel: drop_caches with zone=1 nr_slab=0 reclaimed_slab=0 RECLAIMABLE=1852 FREE=911
Jan 12 11:04:25 zeno kernel: after drop_caches reclaimed_slab=0 RECLAIMABLE=1852 FREE=911
Jan 12 11:04:25 zeno kernel: sh invoked oom-killer: gfp_mask=0xd0, order=1, oom_adj=0, oom_score_adj=0
Jan 12 11:04:25 zeno kernel: Pid: 6344, comm: sh Not tainted 3.2.32-pk06.11-i386 #1
Jan 12 11:04:25 zeno kernel: Call Trace:
Jan 12 11:04:25 zeno kernel: [<c1607653>] ? printk+0x18/0x1a
Jan 12 11:04:25 zeno kernel: [<c10776b8>] dump_header.isra.10+0x68/0x180
Jan 12 11:04:25 zeno kernel: [<c1069807>] ? delayacct_end+0x97/0xb0
Jan 12 11:04:25 zeno kernel: [<c11d676e>] ? ___ratelimit+0x7e/0xf0
Jan 12 11:04:25 zeno kernel: [<c1077929>] oom_kill_process.constprop.15+0x49/0x230
Jan 12 11:04:25 zeno kernel: [<c107a188>] ? get_page_from_freelist+0x2f8/0x4c0
Jan 12 11:04:25 zeno kernel: [<c1077e03>] out_of_memory+0x1d3/0x2c0
Jan 12 11:04:25 zeno kernel: [<c107a8a8>] __alloc_pages_nodemask+0x558/0x570
Jan 12 11:04:25 zeno kernel: [<c102f4bb>] copy_process.part.39+0x5b/0xfa0
Jan 12 11:04:25 zeno kernel: [<c103054c>] do_fork+0x12c/0x260
Jan 12 11:04:25 zeno kernel: [<c103e9de>] ? set_current_blocked+0x2e/0x50
Jan 12 11:04:25 zeno kernel: [<c1009a7f>] sys_clone+0x2f/0x40
Jan 12 11:04:25 zeno kernel: [<c160ff15>] ptregs_clone+0x15/0x40
Jan 12 11:04:25 zeno kernel: [<c160fe14>] ? sysenter_do_call+0x12/0x26
Jan 12 11:04:25 zeno kernel: Mem-Info:
Jan 12 11:04:25 zeno kernel: DMA per-cpu:
Jan 12 11:04:25 zeno kernel: CPU 0: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 1: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 2: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 3: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 4: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 5: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 6: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 7: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 8: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 9: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 10: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 11: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 12: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 13: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 14: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 15: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 16: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 17: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 18: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 19: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 20: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 21: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 22: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 23: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 24: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 25: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 26: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 27: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 28: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 29: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 30: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 31: hi: 0, btch: 1 usd: 0
Jan 12 11:04:25 zeno kernel: Normal per-cpu:
Jan 12 11:04:25 zeno kernel: CPU 0: hi: 186, btch: 31 usd: 30
Jan 12 11:04:25 zeno kernel: CPU 1: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 2: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 3: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 4: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 5: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 6: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 7: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 8: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 9: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 10: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 11: hi: 186, btch: 31 usd: 6
Jan 12 11:04:25 zeno kernel: CPU 12: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 13: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 14: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 15: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 16: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 17: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 18: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 19: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 20: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 21: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 22: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 23: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 24: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 25: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 26: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 27: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 28: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 29: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 30: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 31: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: HighMem per-cpu:
Jan 12 11:04:25 zeno kernel: CPU 0: hi: 186, btch: 31 usd: 30
Jan 12 11:04:25 zeno kernel: CPU 1: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 2: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 3: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 4: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 5: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 6: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 7: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 8: hi: 186, btch: 31 usd: 29
Jan 12 11:04:25 zeno kernel: CPU 9: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 10: hi: 186, btch: 31 usd: 29
Jan 12 11:04:25 zeno kernel: CPU 11: hi: 186, btch: 31 usd: 20
Jan 12 11:04:25 zeno kernel: CPU 12: hi: 186, btch: 31 usd: 29
Jan 12 11:04:25 zeno kernel: CPU 13: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 14: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 15: hi: 186, btch: 31 usd: 29
Jan 12 11:04:25 zeno kernel: CPU 16: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 17: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 18: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 19: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 20: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 21: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 22: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 23: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 24: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 25: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 26: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 27: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 28: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 29: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 30: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: CPU 31: hi: 186, btch: 31 usd: 0
Jan 12 11:04:25 zeno kernel: active_anon:160474 inactive_anon:6747 isolated_anon:0
Jan 12 11:04:25 zeno kernel: active_file:1283 inactive_file:2866 isolated_file:0
Jan 12 11:04:25 zeno kernel: unevictable:0 dirty:6 writeback:0 unstable:0
Jan 12 11:04:25 zeno kernel: free:15839916 slab_reclaimable:1852 slab_unreclaimable:17519
Jan 12 11:04:25 zeno kernel: mapped:4059 shmem:144 pagetables:24767 bounce:0
Jan 12 11:04:25 zeno kernel: DMA free:3516kB 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:15780kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:1908kB kernel_stack:2024kB pagetables:4440kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes
Jan 12 11:04:25 zeno kernel: lowmem_reserve[]: 0 867 62932 62932
Jan 12 11:04:25 zeno kernel: Normal free:3644kB min:3732kB low:4664kB high:5596kB active_anon:0kB inactive_anon:0kB active_file:248kB inactive_file:280kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:887976kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:0kB slab_reclaimable:7408kB slab_unreclaimable:68168kB kernel_stack:43256kB pagetables:94628kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:1197 all_unreclaimable? yes
Jan 12 11:04:25 zeno kernel: lowmem_reserve[]: 0 0 496521 496521
Jan 12 11:04:25 zeno kernel: HighMem free:63352504kB min:512kB low:67316kB high:134124kB active_anon:641896kB inactive_anon:26988kB active_file:4884kB inactive_file:11184kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:63554796kB mlocked:0kB dirty:24kB writeback:0kB mapped:16232kB shmem:576kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
Jan 12 11:04:25 zeno kernel: lowmem_reserve[]: 0 0 0 0
Jan 12 11:04:25 zeno kernel: DMA: 11*4kB 2*8kB 0*16kB 0*32kB 0*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 3516kB
Jan 12 11:04:25 zeno kernel: Normal: 217*4kB 10*8kB 0*16kB 0*32kB 1*64kB 1*128kB 0*256kB 1*512kB 0*1024kB 1*2048kB 0*4096kB = 3700kB
Jan 12 11:04:25 zeno kernel: HighMem: 151*4kB 136*8kB 232*16kB 198*32kB 43*64kB 9*128kB 4*256kB 1*512kB 2*1024kB 2*2048kB 15461*4096kB = 63351580kB
Jan 12 11:04:25 zeno kernel: 4156 total pagecache pages
Jan 12 11:04:25 zeno kernel: 0 pages in swap cache
Jan 12 11:04:25 zeno kernel: Swap cache stats: add 0, delete 0, find 0/0
Jan 12 11:04:25 zeno kernel: Free swap = 134217724kB
Jan 12 11:04:25 zeno kernel: Total swap = 134217724kB
Jan 12 11:04:25 zeno kernel: 16777200 pages RAM
Jan 12 11:04:25 zeno kernel: 16549378 pages HighMem
Jan 12 11:04:25 zeno kernel: 665251 pages reserved
Jan 12 11:04:25 zeno kernel: 635488 pages shared
Jan 12 11:04:25 zeno kernel: 261163 pages non-shared
Jan 12 11:04:25 zeno kernel: Out of memory (oom_kill_allocating_task): Kill process 6344 (sh) score 0 or sacrifice child
Jan 12 11:04:25 zeno kernel: Killed process 6345 (sleep) total-vm:1736kB, anon-rss:44kB, file-rss:200kB



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