RHEL6.1: NFS server (nfsd) exporting IBM GPFS file system panics in get_page called from tcp_sendpage

Solution Unverified - Updated -


crash> bt
PID: 735702  TASK: ffff880503e83540  CPU: 13  COMMAND: "nfsd"
    [exception RIP: get_page+9]
    RIP: ffffffff81123289  RSP: ffff880503e85ba0  RFLAGS: 00010246
    RAX: ffffffff81b130a0  RBX: 0000000000000000  RCX: 0000000000000001
    RDX: 0000000000001000  RSI: 000000000000b500  RDI: 0000000000000000
    RBP: ffff880503e85ba0   R8: 0000000000000002   R9: 0000000000000000
    R10: 0000000000000000  R11: 0000000000000002  R12: ffff8805197516c0
    R13: ffff880d58042140  R14: 0000000000000000  R15: 0000000000000001
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #9 [ffff880503e85ba8] tcp_sendpage at ffffffff81460955
#10 [ffff880503e85c58] kernel_sendpage at ffffffff8140ab38
#11 [ffff880503e85c98] svc_send_common at ffffffffa0441ccd [sunrpc]
#12 [ffff880503e85d18] svc_sendto at ffffffffa0441da2 [sunrpc]
#13 [ffff880503e85e28] svc_tcp_sendto at ffffffffa0441fb9 [sunrpc]
#14 [ffff880503e85e58] svc_send at ffffffffa044d87b [sunrpc]
#15 [ffff880503e85e98] svc_process at ffffffffa043fac0 [sunrpc]
#16 [ffff880503e85eb8] nfsd at ffffffffa068cb62 [nfsd]


  • Red Hat Enterprise Linux 6.1
    • kernel 2.6.32-131.34.1.el6.x86_64
    • NFS Server exporting IBM GPFS file system
  • This node is set as gateway nodes in Panache configuration.

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