Kernel Panic Centos 6.5 when using link_path_walk

Discussion in 'Linux Virtual Machine' started by aaronjbaptiste, Feb 15, 2014.

  1. aaronjbaptiste

    aaronjbaptiste Bit poster

    Messages:
    2
    This occurs every time I log into my website, apache causes the following kernel panic:

    Code:
    KERNEL: /usr/lib/debug/lib/modules/2.6.32-431.5.1.el6.x86_64/vmlinux
        DUMPFILE: vmcore  [PARTIAL DUMP]
            CPUS: 1
            DATE: Sat Feb 15 10:59:37 2014
          UPTIME: 00:18:33
    LOAD AVERAGE: 0.00, 0.00, 0.00
           TASKS: 119
        NODENAME: localhost.localdomain
         RELEASE: 2.6.32-431.5.1.el6.x86_64
         VERSION: #1 SMP Wed Feb 12 00:41:43 UTC 2014
         MACHINE: x86_64  (2294 Mhz)
          MEMORY: 3 GB
           PANIC: "kernel BUG at fs/namei.c:689!"
             PID: 2038
         COMMAND: "httpd"
            TASK: ffff88010a5ab540  [THREAD_INFO: ffff88010a5ac000]
             CPU: 0
           STATE: TASK_RUNNING (PANIC)
    Backtrace:

    Code:
    PID: 2038   TASK: ffff88010a5ab540  CPU: 0   COMMAND: "httpd"
     #0 [ffff88010a5ad910] machine_kexec at ffffffff81038f3b
     #1 [ffff88010a5ad970] crash_kexec at ffffffff810c5d82
     #2 [ffff88010a5ada40] oops_end at ffffffff8152b820
     #3 [ffff88010a5ada70] die at ffffffff81010e0b
     #4 [ffff88010a5adaa0] do_trap at ffffffff8152b084
     #5 [ffff88010a5adb00] do_invalid_op at ffffffff8100cf95
     #6 [ffff88010a5adba0] invalid_op at ffffffff8100bf9b
        [exception RIP: __link_path_walk+4039]
        RIP: ffffffff81199b77  RSP: ffff88010a5adc58  RFLAGS: 00010282
        RAX: ffffffffa02742c0  RBX: ffff88010a5addb8  RCX: 0000000000000004
        RDX: 0000000000000004  RSI: 0000000000000008  RDI: ffff88010b5ed180
        RBP: ffff88010a5add28   R8: 0000000000000000   R9: 0000000000000000
        R10: ffff880028401500  R11: 0000000000000000  R12: ffff88010ce7a03d
        R13: ffff88010b5ec0c8  R14: 0000000000000000  R15: ffff88010a5ab540
        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
     #7 [ffff88010a5adc50] __link_path_walk at ffffffff81198db0
     #8 [ffff88010a5add30] path_walk at ffffffff81199e5a
     #9 [ffff88010a5add70] filename_lookup at ffffffff8119a06b
    #10 [ffff88010a5addb0] user_path_at at ffffffff8119b197
    #11 [ffff88010a5ade80] vfs_fstatat at ffffffff8118e9e0
    #12 [ffff88010a5adee0] vfs_stat at ffffffff8118eb5b
    #13 [ffff88010a5adef0] sys_newstat at ffffffff8118eb84
    #14 [ffff88010a5adf80] system_call_fastpath at ffffffff8100b072
        RIP: 00007f2ecf903065  RSP: 00007fff88012c30  RFLAGS: 00000246
        RAX: 0000000000000004  RBX: ffffffff8100b072  RCX: 000000000000006f
        RDX: 00007fff88012af0  RSI: 00007fff88012af0  RDI: 00007f2ed2d65868
        RBP: 00007f2ed2d65868   R8: 0000000000000040   R9: 0101010101010101
        R10: 00007f2ed2d6593f  R11: 0000000000000246  R12: 00007f2ed2d63b70
        R13: 0000000000008170  R14: 0000000000000000  R15: 00007f2ed2d63b70
        ORIG_RAX: 0000000000000004  CS: 0033  SS: 002b
    The exact same virtual machine works fine in VirtualBox.

    My web app is stored locally on Mac OSX Mavericks, and the files shared to the guest using Shared Folders. The web app includes symlinks too.

    Parallels Desktop 9.0.24172

    Any ideas?
     
    Last edited: Feb 16, 2014
  2. aaronjbaptiste

    aaronjbaptiste Bit poster

    Messages:
    2
    Hmm, a little more investigation has revealed this error is thrown when trying to download files from the shared folder via symbolic links. Same problem on Ubuntu 12.10
     

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