When I start CentOS 5 x86_64 Guest in KVM, Kernel crashes everytime, crash it random. Sometime it crash just after grub, sometime it crashes when X starts and sometime it crashes when X login screen is shown. Other VM with CentOS 6 x86_64, works fine.


      KERNEL: /usr/lib/debug/lib/modules/3.9.6-200.fc18.x86_64/vmlinux
    DUMPFILE: /var/crash/127.0.0.1-2013.06.28-12:47:46/vmcore  [PARTIAL DUMP]
        CPUS: 8
        DATE: Fri Jun 28 05:47:39 2013
      UPTIME: 00:13:21
LOAD AVERAGE: 0.76, 1.05, 0.83
       TASKS: 541
    NODENAME: <removed>
     RELEASE: 3.9.6-200.fc18.x86_64
     VERSION: #1 SMP Thu Jun 13 18:56:55 UTC 2013
     MACHINE: x86_64  (2394 Mhz)
      MEMORY: 16 GB
       PANIC: "kernel BUG at mm/slub.c:3409!"
         PID: 3832
     COMMAND: "vhost-3831"
        TASK: ffff880408bac650  [THREAD_INFO: ffff88040f1a2000]
         CPU: 4
       STATE: TASK_RUNNING (PANIC)