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SubjectKernel crash (2.6.35.13)
From
Dear All,

I am running a simple test program that just do malloc and memset. The
testprogram is run using below attached script

while true
do
./stress &
./stress &
./stress &
./stress &
sleep 1
done


we got this issue on embedded Target.

After analysis we found that most of task(stress_application) is in D
for uninterruptible sleep.
application state

stress x
stress D
stress x
stress D
stress x
stress D
stress x
sleep D

So I observe after 10-15 min Kernel crash with

Kernel panic - not syncing: Out of memory and no killable processes...


I am attaching Kernel Crash log + Test application.

Thanks

message_alloc
message_alloc Thread 1
message_alloc Thread 1
message_alloc Thread 1
oom_kill_process: 1 callbacks suppressed
stress invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:00000c2c r4:d6c78000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:00000c2c r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000c2c r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89656 inactive_anon:705 isolated_anon:0
active_file:17 inactive_file:2 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:358624kB inactive_anon:2820kB active_file:68kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:132 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
24 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
704 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1034] 0 1034 45809 44091 0 0 stress
[ 1038] 0 1038 1734 26 0 0 stress
[ 1042] 0 1042 2759 1051 0 0 stress
[ 1046] 0 1046 1734 26 0 0 stress
[ 1050] 0 1050 46578 45125 0 0 stress
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 981 (sh) score 3116 or a child
Killed process 1034 (stress) vsz:183236kB, anon-rss:176360kB, file-rss:4kB
##### send signal from KERNEL, SIG : 9, stress, PID:1034, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:cee665c0 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952c8>] (T.314+0xac/0xe8)
r7:000201da r6:d71e23c8 r5:cee665c0 r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000c2c r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
stress invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:00000b5f r4:d6c78000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:00000b5f r4:d6bf1cc0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000b5f r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89560 inactive_anon:801 isolated_anon:0
active_file:17 inactive_file:2 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:358240kB inactive_anon:3204kB active_file:68kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:228 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
24 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
704 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1038] 0 1038 1734 26 0 0 stress
[ 1042] 0 1042 2759 1051 0 0 stress
[ 1046] 0 1046 1734 26 0 0 stress
[ 1050] 0 1050 46578 45125 0 0 stress
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 1050 (stress) score 2911 or a child
Killed process 1050 (stress) vsz:186312kB, anon-rss:180496kB, file-rss:4kB
##### send signal from KERNEL, SIG : 9, stress, PID:1050, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d6bf1cc0 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952f4>] (T.314+0xd8/0xe8)
r7:000201da r6:d6bf1da8 r5:d6bf1cb8 r4:d6bf1cc0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000b5f r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
stress invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:000000e5 r4:d6c78000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:000000e5 r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:000000e5 r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89560 inactive_anon:801 isolated_anon:0
active_file:17 inactive_file:2 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:358240kB inactive_anon:3204kB active_file:68kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:228 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
24 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
704 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1038] 0 1038 1734 26 0 0 stress
[ 1042] 0 1042 2759 1051 0 0 stress
[ 1046] 0 1046 1734 26 0 0 stress
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 981 (sh) score 229 or a child
Killed process 1038 (stress) vsz:6936kB, anon-rss:100kB, file-rss:4kB
##### send signal from KERNEL, SIG : 9, stress, PID:1038, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:cee66b80 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952c8>] (T.314+0xac/0xe8)
r7:000201da r6:d71e23c8 r5:cee66b80 r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:000000e5 r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
stress invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:000000af r4:d6c78000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:000000af r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:000000af r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89496 inactive_anon:865 isolated_anon:0
active_file:17 inactive_file:2 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:357984kB inactive_anon:3460kB active_file:68kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:292 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
24 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
704 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1042] 0 1042 2759 1051 0 0 stress
[ 1046] 0 1046 1734 26 0 0 stress
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 981 (sh) score 175 or a child
Killed process 1042 (stress) vsz:11036kB, anon-rss:4200kB, file-rss:4kB
##### send signal from KERNEL, SIG : 9, stress, PID:1042, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d6bf1420 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952c8>] (T.314+0xac/0xe8)
r7:000201da r6:d71e23c8 r5:d6bf1420 r4:d71e22e0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:000000af r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
stress invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:0000006c r4:d6c78000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:0000006c r4:d6bf1700
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:0000006c r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89464 inactive_anon:897 isolated_anon:0
active_file:17 inactive_file:2 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:357856kB inactive_anon:3588kB active_file:68kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:324 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
24 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
704 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1046] 0 1046 1734 26 0 0 stress
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 1046 (stress) score 108 or a child
Killed process 1046 (stress) vsz:6936kB, anon-rss:100kB, file-rss:4kB
##### send signal from KERNEL, SIG : 9, stress, PID:1046, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d6bf1700 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952f4>] (T.314+0xd8/0xe8)
r7:000201da r6:d6bf17e8 r5:d6bf16f8 r4:d6bf1700
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:0000006c r6:d6c78000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6c78000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6c79fb0 to 0xd6c79ff8)
9fa0: 00000000 401ffe50 402024f4 00000000
9fc0: 00000000 00000000 401ffd50 000000a2 401ffe50 00000001 7fffffff 401ffcc4
9fe0: 00000000 401ffcb8 41bf2884 41bb1db4 80000010 ffffffff 00000000
r7:000000a2 r6:401ffd50 r5:00000000 r4:ffffffff
sleep invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:00000023 r4:d6ce8000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:00000023 r4:d71e28a0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000023 r6:d6ce8000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6ce8000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6ce9fb0 to 0xd6ce9ff8)
9fa0: 00000000 becfe7c0 00000000 00000000
9fc0: 00000000 00000000 becfe6c0 000000a2 becfe7c0 00000001 7fffffff becfe634
9fe0: becfe740 becfe630 000a2168 00008dbc 40000010 ffffffff 00000000
r7:000000a2 r6:becfe6c0 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 29
active_anon:89368 inactive_anon:993 isolated_anon:0
active_file:17 inactive_file:3 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:587 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:233 bounce:0
Normal free:2348kB min:2456kB low:3068kB high:3684kB active_anon:357472kB inactive_anon:3972kB active_file:68kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:336kB pagetables:932kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:420 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 5*4kB 5*8kB 15*16kB 12*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2348kB
25 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
703 free pages
1934 reserved pages
521 slab pages
24 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 981] 0 981 373 10 0 0 sh
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 42 (sh) score 35 or a child
Killed process 981 (sh) vsz:1492kB, anon-rss:40kB, file-rss:0kB
##### send signal from KERNEL, SIG : 9, sh, PID:981, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d71e22e0 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952c8>] (T.314+0xac/0xe8)
r7:000201da r6:d71e2988 r5:d71e22e0 r4:d71e28a0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000023 r6:d6ce8000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6ce8000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6ce9fb0 to 0xd6ce9ff8)
9fa0: 00000000 becfe7c0 00000000 00000000
9fc0: 00000000 00000000 becfe6c0 000000a2 becfe7c0 00000001 7fffffff becfe634
9fe0: becfe740 becfe630 000a2168 00008dbc 40000010 ffffffff 00000000
r7:000000a2 r6:becfe6c0 r5:00000000 r4:ffffffff
sleep invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:00000017 r4:d6ce8000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:00000017 r4:d71e28a0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000017 r6:d6ce8000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6ce8000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6ce9fb0 to 0xd6ce9ff8)
9fa0: 00000000 becfe7c0 00000000 00000000
9fc0: 00000000 00000000 becfe6c0 000000a2 becfe7c0 00000001 7fffffff becfe634
9fe0: becfe740 becfe630 000a2168 00008dbc 40000010 ffffffff 00000000
r7:000000a2 r6:becfe6c0 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 30
active_anon:89208 inactive_anon:1143 isolated_anon:0
active_file:17 inactive_file:4 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:603 slab_reclaimable:73 slab_unreclaimable:1159
mapped:1 shmem:5 pagetables:231 bounce:0
Normal free:2412kB min:2456kB low:3068kB high:3684kB active_anon:356832kB inactive_anon:4572kB active_file:68kB inactive_file:16kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:4kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:328kB pagetables:924kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0
Normal: 7*4kB 6*8kB 16*16kB 13*32kB 10*64kB 6*128kB 1*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2412kB
26 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
716 free pages
1934 reserved pages
521 slab pages
25 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 42] 0 42 374 16 0 0 sh
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 42 (sh) score 23 or a child
Killed process 42 (sh) vsz:1496kB, anon-rss:64kB, file-rss:0kB
##### send signal from KERNEL, SIG : 9, sh, PID:42, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d71e28a0 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952f4>] (T.314+0xd8/0xe8)
r7:000201da r6:d71e2988 r5:d71e2898 r4:d71e28a0
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000017 r6:d6ce8000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d6ce8000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd6ce9fb0 to 0xd6ce9ff8)
9fa0: 00000000 becfe7c0 00000000 00000000
9fc0: 00000000 00000000 becfe6c0 000000a2 becfe7c0 00000001 7fffffff becfe634
9fe0: becfe740 becfe630 000a2168 00008dbc 40000010 ffffffff 00000000
r7:000000a2 r6:becfe6c0 r5:00000000 r4:ffffffff

init invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000000 r5:00000017 r4:d7138000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c009525c>] (T.314+0x40/0xe8)
r6:00000000 r5:00000017 r4:d6bf0000
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000017 r6:d7138000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d7138000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd7139fb0 to 0xd7139ff8)
9fa0: 0000002a 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000072 ffffffff 00000000 00000000 00000000
9fe0: bedc1bb0 bedc1c40 0005f770 000a1f60 60000010 ffffffff ffffffff
r7:00000072 r6:00000000 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 79
active_anon:87064 inactive_anon:3271 isolated_anon:0
active_file:19 inactive_file:3 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:576 slab_reclaimable:73 slab_unreclaimable:1159
mapped:0 shmem:5 pagetables:228 bounce:0
Normal free:2304kB min:2456kB low:3068kB high:3684kB active_anon:348256kB inactive_anon:13084kB active_file:76kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:20kB slab_reclaimable:292kB slab_unreclaimable:4636kB kernel_stack:328kB pagetables:912kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:471 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 8*4kB 6*8kB 17*16kB 13*32kB 10*64kB 7*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2304kB
27 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
735 free pages
1934 reserved pages
521 slab pages
23 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
[ 1051] 0 1051 373 8 0 0 sleep
Out of memory: kill process 1051 (sleep) score 23 or a child
Killed process 1051 (sleep) vsz:1492kB, anon-rss:32kB, file-rss:0kB
##### send signal from KERNEL, SIG : 9, sleep, PID:1051, force_sig_info
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:00000001 r5:00000009 r4:d6bf0000 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c00525dc>] (force_sig_info+0x3c/0x13c)
[<c00525a0>] (force_sig_info+0x0/0x13c) from [<c00526f4>] (force_sig+0x18/0x1c)
[<c00526dc>] (force_sig+0x0/0x1c) from [<c0095088>] (oom_kill_task+0x138/0x15c)
[<c0094f50>] (oom_kill_task+0x0/0x15c) from [<c00952f4>] (T.314+0xd8/0xe8)
r7:000201da r6:d6bf00e8 r5:d6befff8 r4:d6bf0000
[<c009521c>] (T.314+0x0/0xe8) from [<c0095488>] (__out_of_memory+0x184/0x1a8)
r7:00000017 r6:d7138000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d7138000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd7139fb0 to 0xd7139ff8)
9fa0: 0000002a 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000072 ffffffff 00000000 00000000 00000000
9fe0: bedc1bb0 bedc1c40 0005f770 000a1f60 60000010 ffffffff ffffffff
r7:00000072 r6:00000000 r5:00000000 r4:ffffffff
init invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0
Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:d7138000 r5:000201da r4:d7138000 r3:00000000
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c009511c>] (T.316+0x70/0x170)
[<c00950ac>] (T.316+0x0/0x170) from [<c0095464>] (__out_of_memory+0x160/0x1a8)
r6:d7138000 r5:000201da r4:00000000
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d7138000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd7139fb0 to 0xd7139ff8)
9fa0: 0000002a 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000072 ffffffff 00000000 00000000 00000000
9fe0: bedc1bb0 bedc1c40 0005f770 000a1f60 60000010 ffffffff ffffffff
r7:00000072 r6:00000000 r5:00000000 r4:ffffffff
Mem-info:
Normal per-cpu:
CPU 0: hi: 186, btch: 31 usd: 47
active_anon:86040 inactive_anon:4287 isolated_anon:0
active_file:11 inactive_file:35 isolated_file:0
unevictable:0 dirty:0 writeback:0 unstable:0
free:599 slab_reclaimable:74 slab_unreclaimable:1159
mapped:0 shmem:5 pagetables:226 bounce:0
Normal free:2396kB min:2456kB low:3068kB high:3684kB active_anon:344032kB inactive_anon:17276kB active_file:44kB inactive_file:140kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:378096kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:20kB slab_reclaimable:296kB slab_unreclaimable:4636kB kernel_stack:320kB pagetables:904kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:1056 all_unreclaimable? yes
lowmem_reserve[]: 0 0
Normal: 280*4kB 237*8kB 145*16kB 118*32kB 88*64kB 24*128kB 1*256kB 1*512kB 0*1024kB 0*2048kB 0*4096kB = 18584kB
114 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
96000 pages of RAM
32518 free pages
1934 reserved pages
521 slab pages
45 pages shared
0 pages swap cached
[ pid ] uid tgid total_vm rss cpu oom_adj name
[ 1] 0 1 373 8 0 0 init
Kernel panic - not syncing: Out of memory and no killable processes...

Backtrace:
[<c0023000>] (dump_backtrace+0x0/0x110) from [<c02f6270>] (dump_stack+0x18/0x1c)
r6:d7138000 r5:000201da r4:c03f1308 r3:00000002
[<c02f6258>] (dump_stack+0x0/0x1c) from [<c02f62e0>] (panic+0x6c/0xec)
[<c02f6274>] (panic+0x0/0xec) from [<c009546c>] (__out_of_memory+0x168/0x1a8)
r3:c03dcf18 r2:00000000 r1:00000001 r0:c0397459
[<c0095304>] (__out_of_memory+0x0/0x1a8) from [<c009558c>] (out_of_memory+0xe0/0x14c)
[<c00954ac>] (out_of_memory+0x0/0x14c) from [<c009879c>] (__alloc_pages_nodemask+0x534/0x61c)
r6:d7138000 r5:c03ef8f8 r4:000201da
[<c0098268>] (__alloc_pages_nodemask+0x0/0x61c) from [<c0092c58>] (filemap_fault+0x340/0x41c)
[<c0092918>] (filemap_fault+0x0/0x41c) from [<c00a754c>] (__do_fault+0x58/0x45c)
[<c00a74f4>] (__do_fault+0x0/0x45c) from [<c00a8ad4>] (handle_mm_fault+0x364/0x7e8)
[<c00a8770>] (handle_mm_fault+0x0/0x7e8) from [<c0025f90>] (do_page_fault+0xf8/0x1e8)
[<c0025e98>] (do_page_fault+0x0/0x1e8) from [<c001e230>] (do_PrefetchAbort+0x3c/0xa0)
[<c001e1f4>] (do_PrefetchAbort+0x0/0xa0) from [<c001ef24>] (ret_from_exception+0x0/0x10)
Exception stack(0xd7139fb0 to 0xd7139ff8)
9fa0: 0000002a 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000072 ffffffff 00000000 00000000 00000000
9fe0: bedc1bb0 bedc1c40 0005f770 000a1f60 60000010 ffffffff ffffffff
r7:00000072 r6:00000000 r5:00000000 r4:ffffffff


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>

#define ALLOC_BYTE 512*1024
#define COUNT 500

void *alloc_function( void *ptr );


int main(int argc, char *argv[])
{
pthread_t thread1, thread2;
char *message1 = "Thread 1";

int iret1, iret2;

iret1 = pthread_create( &thread1, NULL, alloc_function, (void*) message1);


pthread_join( thread1, NULL);


printf("Thread 1 returns: %d\n",iret1);

exit(0);

}

void *alloc_function( void *ptr )
{
char *message;
message = (char *) ptr;
void *myblock[COUNT];
int i= 0,j=0;
int freed=0;
printf("message_alloc \n");
while(1)
{
memset(myblock,0,sizeof(myblock));
printf("message_alloc %s \n",message);
for(i=0;i< COUNT ;i++)
{
myblock[i] = (void *) malloc(ALLOC_BYTE);
if (!myblock[i])
{
printf("No memory for allocating: freeing \n");
printf("OOM may kill ME \n");
for(j=0;j < i;j++)
{
freed = 1;
free(myblock[j]);
printf("Currently freeing %d * %d Bytes \n",j,ALLOC_BYTE);
}
break;
}
memset(myblock[i],1, ALLOC_BYTE);
// printf("Currently allocating %d * %d Bytes \n",i,ALLOC_BYTE);
}
sleep(1);
#if 1
if(!freed) {
for(i=0;i< COUNT;i++)
{
free(myblock[i]);
// printf("Currently freeing %d * %d Bytes \n",i,ALLOC_BYTE);
}
}
sleep(1);
#endif
}
}

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