[Xen-bugs] [Bug 522] New: oom-killer: gfp_mask=0x201d2, order=

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=522

           Summary: oom-killer: gfp_mask=0x201d2, order=
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: dbarrera@xxxxxxxxxx
                CC: hohnbaum@xxxxxxxxxx,pl@xxxxxxxxxx


Seeing this trace on an x86_64 FC4 based test box, with changeset:  
8793:974ed9f73641

It is showing up both on dom0 and domU while running LMBench.

oom-killer: gfp_mask=0x201d2, order=0

Call Trace: <ffffffff8012aaa5>{printk_ratelimit+21}
       <ffffffff8014cb57>{out_of_memory+55} 
<ffffffff8014ebee>{__alloc_pages+542}
       <ffffffff80150468>{__do_page_cache_readahead+248}
<ffffffff80474e7f>{io_schedule+15}
       <ffffffff8014916b>{sync_page+59} 
<ffffffff80475656>{__wait_on_bit_lock+102}
       <ffffffff80149130>{sync_page+0}
<ffffffff801507b1>{do_page_cache_readahead+97}
       <ffffffff8014b162>{filemap_nopage+322}
<ffffffff80159d71>{__handle_mm_fault+1425}
       <ffffffff801193e9>{do_page_fault+1977}
<ffffffff80185513>{generic_delete_inode+211}
       <ffffffff80182ab3>{d_free+51} <ffffffff80186c27>{mntput_no_expire+39}
       <ffffffff8016d955>{__fput+325} <ffffffff8010e553>{error_exit+0}
Mem-info:
DMA per-cpu:
cpu 0 hot: high 90, batch 15 used:19
cpu 0 cold: high 30, batch 7 used:23
DMA32 per-cpu: empty
Normal per-cpu: empty
HighMem per-cpu: empty
Free pages:        2188kB (0kB HighMem)
Active:26815 inactive:26858 dirty:0 writeback:0 unstable:0 free:547 slab:2758
mapped:53233 pagetables:1276
DMA free:2188kB min:2052kB low:2564kB high:3076kB active:107260kB
inactive:107432kB present:264192kB pages_scanned:179616 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB
present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA: 15*4kB 6*8kB 2*16kB 0*32kB 2*64kB 5*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB
0*4096kB = 2188kB
DMA32: empty
Normal: empty
HighMem: empty
Swap cache: add 666532, delete 666530, find 319/620, race 0+1
Free swap  = 0kB
Total swap = 1534196kB
Free swap:            0kB
66048 pages of RAM
5411 reserved pages
23 pages shared
2 pages swap cached
Out of Memory: Killed process 11861 (mem01).
oom-killer: gfp_mask=0x201d2, order=0

Call Trace: <ffffffff8012aaa5>{printk_ratelimit+21}
       <ffffffff8014cb57>{out_of_memory+55} 
<ffffffff8014ebee>{__alloc_pages+542}
       <ffffffff8014a0d5>{unlock_page+53}
<ffffffff80150468>{__do_page_cache_readahead+248}
       <ffffffff8040bddb>{sock_def_readable+43}
<ffffffff8011942f>{do_page_fault+2047}
       <ffffffff801507b1>{do_page_cache_readahead+97}
<ffffffff8014b162>{filemap_nopage+322}
       <ffffffff80159d71>{__handle_mm_fault+1425} 
<ffffffff8010e553>{error_exit+0}
       <ffffffff801193e9>{do_page_fault+1977} <ffffffff8012a356>{do_syslog+438}
       <ffffffff8013db70>{autoremove_wake_function+0}
<ffffffff8010e553>{error_exit+0}
Mem-info:
DMA per-cpu:
cpu 0 hot: high 90, batch 15 used:11
cpu 0 cold: high 30, batch 7 used:6
DMA32 per-cpu: empty
Normal per-cpu: empty
HighMem per-cpu: empty
Free pages:        2048kB (0kB HighMem)
Active:26934 inactive:26779 dirty:0 writeback:1 unstable:0 free:512 slab:2758
mapped:53234 pagetables:1276
DMA free:2048kB min:2052kB low:2564kB high:3076kB active:107736kB
inactive:107116kB present:264192kB pages_scanned:235473 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB
present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA: 0*4kB 0*8kB 0*16kB 0*32kB 2*64kB 5*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB
0*4096kB = 2048kB
DMA32: empty
Normal: empty
HighMem: empty
Swap cache: add 666542, delete 666532, find 320/623, race 0+1
Free swap  = 0kB
Total swap = 1534196kB
Free swap:            0kB
66048 pages of RAM
5411 reserved pages
24 pages shared
10 pages swap cached
oom-killer: gfp_mask=0x200d2, order=0

Call Trace: <ffffffff8012aaa5>{printk_ratelimit+21}
       <ffffffff8014cb57>{out_of_memory+55} 
<ffffffff8014ebee>{__alloc_pages+542}
       <ffffffff80149265>{__lock_page+101}
<ffffffff801621d6>{read_swap_cache_async+70}
       <ffffffff80157771>{swapin_readahead+97}
<ffffffff8015a0f8>{__handle_mm_fault+2328}
       <ffffffff801193e9>{do_page_fault+1977}
<ffffffff80185513>{generic_delete_inode+211}
       <ffffffff80182ab3>{d_free+51} <ffffffff80186c27>{mntput_no_expire+39}
       <ffffffff8016d955>{__fput+325} <ffffffff8010e553>{error_exit+0}
Mem-info:
DMA per-cpu:
cpu 0 hot: high 90, batch 15 used:11
cpu 0 cold: high 30, batch 7 used:6
DMA32 per-cpu: empty
Normal per-cpu: empty
HighMem per-cpu: empty
Free pages:        2048kB (0kB HighMem)
Active:26934 inactive:26779 dirty:0 writeback:1 unstable:0 free:512 slab:2758
mapped:53234 pagetables:1276
DMA free:2048kB min:2052kB low:2564kB high:3076kB active:107736kB
inactive:107116kB present:264192kB pages_scanned:235473 all_unreclaimable? yes
lowmem_reserve[]: 0 0 0 0
DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB
pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB
present:0kB pages_scanned:0 all_unreclaimable? no
lowmem_reserve[]: 0 0 0 0
DMA: 0*4kB 0*8kB 0*16kB 0*32kB 2*64kB 5*128kB 1*256kB 0*512kB 1*1024kB 0*2048kB
0*4096kB = 2048kB
DMA32: empty
Normal: empty
HighMem: empty
Swap cache: add 666542, delete 666532, find 320/623, race 0+1
Free swap  = 0kB
Total swap = 1534196kB
Free swap:            0kB
66048 pages of RAM
5411 reserved pages
24 pages shared
10 pages swap cached
oom-killer: gfp_mask=0x280d2, order=0

Call Trace: <ffffffff8012aaa5>{printk_ratelimit+21}
       <ffffffff8014cb57>{out_of_memory+55} 
<ffffffff8014ebee>{__alloc_pages+542}
       <ffffffff80159ac2>{__handle_mm_fault+738}
<ffffffff8010a22a>{hypercall_page+554}
       <ffffffff801193e9>{do_page_fault+1977} 
<ffffffff80474d78>{thread_return+0}
       <ffffffff8010e553>{error_exit+0}

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