Kernel crash with httpd OOM killer messages.

Solution Unverified - Updated -

Issue

  • Kernel crash with httpd OOM killer messages.
httpd invoked oom-killer: gfp_mask=0x200da, order=0, oom_adj=0, oom_score_adj=0
httpd cpuset=/ mems_allowed=0
Pid: 2275, comm: httpd Not tainted 2.6.32-279.2.1.el6.x86_64 #1
Call Trace:
 [<ffffffff810c4aa1>] ? cpuset_print_task_mems_allowed+0x91/0xb0
 [<ffffffff81117210>] ? dump_header+0x90/0x1b0
 [<ffffffff8121482c>] ? security_real_capable_noaudit+0x3c/0x70
 [<ffffffff81117692>] ? oom_kill_process+0x82/0x2a0
 [<ffffffff811175d1>] ? select_bad_process+0xe1/0x120
 [<ffffffff81117ad0>] ? out_of_memory+0x220/0x3c0
 [<ffffffff811277ee>] ? __alloc_pages_nodemask+0x89e/0x940
 [<ffffffff8115c40a>] ? alloc_pages_vma+0x9a/0x150
 [<ffffffff8114fe22>] ? read_swap_cache_async+0xf2/0x150
 [<ffffffff81150839>] ? valid_swaphandles+0x69/0x150
 [<ffffffff8114ff07>] ? swapin_readahead+0x87/0xc0
 [<ffffffff8113f90b>] ? handle_pte_fault+0x70b/0xb50
 [<ffffffff8142a430>] ? sock_aio_write+0x0/0x180
 [<ffffffff8117ad5b>] ? do_sync_readv_writev+0xfb/0x140
 [<ffffffff8100bdae>] ? call_function_single_interrupt+0xe/0x20
 [<ffffffff8100bdae>] ? call_function_single_interrupt+0xe/0x20
 [<ffffffff8113ff34>] ? handle_mm_fault+0x1e4/0x2b0
 [<ffffffff81044479>] ? __do_page_fault+0x139/0x480
 [<ffffffff810097cc>] ? __switch_to+0x1ac/0x320
 [<ffffffff814fd960>] ? thread_return+0x4e/0x76e
 [<ffffffff8150339e>] ? do_page_fault+0x3e/0xa0
 [<ffffffff81500755>] ? page_fault+0x25/0x30
  • System is out of physical and swap memory

Environment

  • Red Hat Enterprise Linux 6
  • httpd

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