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[K12OSN] Clients crashing--out of memory (Ubuntu with LTSP 5.0)



Hey all!

Clients are crashing with the attached error information
in /var/log/syslog. It seems to say that the client is out of memory,
but that doesn't make a whole lot of sense to me. (Which, I am quick to
point out, doesn't mean that it doesn't make a whole lot of sense.)

Anybody have ideas about what might be going on?

Thanks,
Todd

May  3 08:18:38 192.168.202.101 kernel: [17336768.936000] oom-killer: gfp_mask=0x201d2, order=0 
May  3 08:18:38 192.168.202.101 kernel: [17336768.936000]  <c013f4f2> out_of_memory+0x112/0x130  <c01410f4> __alloc_pages+0x294/0x310 
May  3 08:18:38 192.168.202.101 kernel: [17336768.936000]  <c0103e8a> common_interrupt+0x1a/0x20  <c0142504> __do_page_cache_readahead+0xc4/0x220 
May  3 08:18:38 192.168.202.101 kernel: [17336768.936000]  <c02c596e> io_schedule+0xe/0x20  <c02c604b> __wait_on_bit_lock+0x5b/0x70 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000]  <c013bd40> sync_page+0x0/0x40  <c013bd35> __lock_page+0x75/0x80 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000]  <c013e9c0> filemap_nopage+0x110/0x370  <c0147f63> __handle_mm_fault+0x123/0x840 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000]  <c011dc02> __do_softirq+0x42/0x90  <c02c77d0> do_page_fault+0x0/0x6e0 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000]  <c02c7ba9> do_page_fault+0x3d9/0x6e0  <c02c77d0> do_page_fault+0x0/0x6e0 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000]  <c0103f7f> error_code+0x4f/0x60  
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] Mem-info: 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] DMA per-cpu: 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] cpu 0 hot: high 0, batch 1 used:0 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] cpu 0 cold: high 0, batch 1 used:0 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] DMA32 per-cpu: empty 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] Normal per-cpu: 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] cpu 0 hot: high 18, batch 3 used:15 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] cpu 0 cold: high 6, batch 1 used:5 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] HighMem per-cpu: empty 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] Free pages:        2104kB (0kB HighMem) 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] Active:11488 inactive:533 dirty:0 writeback:0 unstable:0 free:526 slab:1299 mapped:11170 pagetable
s:84 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] DMA free:544kB min:208kB low:260kB high:312kB active:11696kB inactive:4kB present:16384kB pages_sc
anned:11809 all_unreclaimable? no 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] lowmem_reserve[]: 0 0 79 79 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_un
reclaimable? no 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] lowmem_reserve[]: 0 0 79 79 
May  3 08:18:39 192.168.202.101 kernel: [17336768.936000] Normal free:1560kB min:1040kB low:1300kB high:1560kB active:34256kB inactive:2128kB present:81856k
B pages_scanned:32066 all_unreclaimable? no 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] lowmem_reserve[]: 0 0 0 0 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present:0kB pages_scanned:
0 all_unreclaimable? no 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] lowmem_reserve[]: 0 0 0 0 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] DMA: 6*4kB 1*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 544kB 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] DMA32: empty 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] Normal: 94*4kB 14*8kB 3*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 15
60kB 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] HighMem: empty 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] Swap cache: add 0, delete 0, find 0/0, race 0+0 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] Free swap  = 0kB 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] Total swap = 0kB 
May  3 08:18:44 192.168.202.101 kernel: [17336768.936000] Free swap:            0kB 
May  3 08:18:44 192.168.202.101 kernel: [17336768.940000] 24560 pages of RAM 
May  3 08:18:44 192.168.202.101 kernel: [17336768.940000] 0 pages of HIGHMEM 
May  3 08:18:44 192.168.202.101 kernel: [17336768.940000] 1174 reserved pages 
May  3 08:18:44 192.168.202.101 kernel: [17336768.940000] 8194 pages shared 
May  3 08:18:44 192.168.202.101 kernel: [17336768.940000] 0 pages swap cached 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] 0 pages dirty 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] 0 pages writeback 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] 11170 pages mapped 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] 1299 pages slab 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] 84 pages pagetables 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] Out of Memory: Kill process 3422 (Xorg) score 898 and children. 
May  3 08:18:49 192.168.202.101 kernel: [17336768.940000] Out of memory: Killed process 3422 (Xorg). 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] oom-killer: gfp_mask=0x201d2, order=0 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c013f4f2> out_of_memory+0x112/0x130  <c01410f4> __alloc_pages+0x294/0x310 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c02c5579> schedule+0x2a9/0x5d0  <c0142504> __do_page_cache_readahead+0xc4/0x220 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c02c596e> io_schedule+0xe/0x20  <c02c604b> __wait_on_bit_lock+0x5b/0x70 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c013bd40> sync_page+0x0/0x40  <c013bd35> __lock_page+0x75/0x80 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c013e9c0> filemap_nopage+0x110/0x370  <c0261fff> netif_receive_skb+0x12f/0x2c0 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c0147f63> __handle_mm_fault+0x123/0x840  <c6850c5e> rtl8139_poll+0x17e/0x4d0 [8139too] 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c01056fe> do_IRQ+0x1e/0x30  <c0103e8a> common_interrupt+0x1a/0x20 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c02c7ba9> do_page_fault+0x3d9/0x6e0  <c02c77d0> do_page_fault+0x0/0x6e0 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000]  <c0103f7f> error_code+0x4f/0x60  
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] Mem-info: 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] DMA per-cpu: 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] cpu 0 hot: high 0, batch 1 used:0 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] cpu 0 cold: high 0, batch 1 used:0 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] DMA32 per-cpu: empty 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] Normal per-cpu: 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] cpu 0 hot: high 18, batch 3 used:15 
May  3 08:18:49 192.168.202.101 kernel: [17336769.004000] cpu 0 cold: high 6, batch 1 used:0 
May  3 08:18:49 192.168.202.101 kernel: [17336770.444000] mtrr: base(0xe4000000) is not aligned on a size(0x2080000) boundary 
May  3 08:18:49 192.168.202.101 kernel: [17336770.468000] agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0. 
May  3 08:18:49 192.168.202.101 kernel: [17336770.468000] agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode 
May  3 08:18:49 192.168.202.101 kernel: [17336770.468000] agpgart: Putting AGP V2 device at 0000:01:00.0 into 4x mode 


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