求助 vmcore分析

flyzr

rhel6.2  系统老是自动重启，重新装系统也不行，vmcore的分析我不懂，求指点    谢谢

crash 5.1.8-1.el6
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crash: seek error: kernel virtual address: ffffffffffffffff  type: "possible"
WARNING: cannot read cpu_possible_map
crash: seek error: kernel virtual address: ffffffffffffffff  type: "present"
WARNING: cannot read cpu_present_map
crash: seek error: kernel virtual address: ffffffffffffffff  type: "online"
WARNING: cannot read cpu_online_map
WARNING: kernel version inconsistency between vmlinux and dumpfile

crash: seek error: kernel virtual address: ffffffffffffffff  type: "cpu_present_map"
crash: seek error: kernel virtual address: ffffffffffffffff  type: "cpu_present_map"
crash: seek error: kernel virtual address: ffffffffffffffff  type: "cpu_online_map"
      KERNEL: /usr/lib/debug/lib/modules/2.6.32-220.el6.x86_64/vmlinux
    DUMPFILE: vmcore  [PARTIAL DUMP]
        CPUS: 24
        DATE: Thu Apr  9 23:36:35 2015
      UPTIME: 01:28:24
LOAD AVERAGE: 0.33, 0.15, 0.64
       TASKS: 759
    NODENAME: rac2
     RELEASE: 2.6.32-220.el6.x86_64
     VERSION: #1 SMP Wed Nov 9 08:03:13 EST 2011
     MACHINE: x86_64  (2094 Mhz)
      MEMORY: 31.9 GB
       PANIC: "Oops: 0002 [#1] SMP " (check log for details)
         PID: 0
     COMMAND: "swapper"
        TASK: ffff880875edc0c0  (1 of 24)  [THREAD_INFO: ffff8804763a2000]
         CPU: 14
       STATE: TASK_RUNNING (PANIC)

crash> bt
PID: 0      TASK: ffff880875edc0c0  CPU: 14  COMMAND: "swapper"
#0 [ffff8804763a3aa0] machine_kexec at ffffffff81031fcb
#1 [ffff8804763a3b00] crash_kexec at ffffffff810b8f72
#2 [ffff8804763a3bd0] oops_end at ffffffff814f04b0
#3 [ffff8804763a3c00] no_context at ffffffff8104230b
#4 [ffff8804763a3c50] __bad_area_nosemaphore at ffffffff81042595
#5 [ffff8804763a3ca0] bad_area_nosemaphore at ffffffff81042663
#6 [ffff8804763a3cb0] __do_page_fault at ffffffff81042d1d
#7 [ffff8804763a3dd0] do_page_fault at ffffffff814f248e
#8 [ffff8804763a3e00] page_fault at ffffffff814ef845
    [exception RIP: bitmap_get_counter+434]
    RIP: ffffffff813f2f82  RSP: ffff8804763a3eb8  RFLAGS: 00010012
    RAX: 0000000000000001  RBX: ffff880028313200  RCX: ffff880028313200
    RDX: 000000000000002a  RSI: 0000000000001d26  RDI: 0000000000000275
    RBP: ffff8804763a3ed8   R8: 0000000000000002   R9: 0000000000000262
    R10: 0000000000000000  R11: 0000000000000000  R12: ffff88087317c020
    R13: 0000000077359400  R14: 0000000000013200  R15: 0000000000000000
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
#9 [ffff8804763a3f00] cpu_idle at ffffffff81009e06