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Thread: SUNRPC NFS 2.6.27.37

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  1. #1

    Default SUNRPC NFS 2.6.27.37

    Hi,

    Can someone put me in contact with folks who might be able to help diagnose an issue with sunrpc and nfs?

    BUG: unable to handle kernel NULL pointer dereference at 0000000000000003
    IP: [<ffffffffa03e6a20>] cache_revisit_request+0xcf/0xef [sunrpc]
    PGD 0
    Oops: 0002 [1] SMP
    ....

    Thanks,

    David

    P.S.

    Have found a few other people with similar issues, but no resolutions

    http://www.spinics.net/lists/linux-scsi/msg49860.html

  2. #2

    Default Re: SUNRPC NFS 2.6.27.37

    Here is the complete oops:

    BUG: unable to handle kernel NULL pointer dereference at 0000000000000003
    IP: [<ffffffffa03e6a20>] cache_revisit_request+0xcf/0xef [sunrpc]
    PGD 0
    Oops: 0002 [1] SMP
    last sysfs file: /sys/devices/pci0000:17/0000:17:14.2/modalias
    CPU 4
    Modules linked in: nls_utf8 af_packet binfmt_misc autofs4 ipmi_devintf rdma_ucm(N) ib_sdp(N) rdma_cm(N) iw_cm(N) ib_addr(N) ib_ipoib(N) ib_cm(N) ib_sa(N) ib_uverbs(N) ib_umad(N) iw_nes(N) libcrc32c iw_cxgb3(N) cxgb3(N) nfsd nfs lockd nfs_acl auth_rpcgss sunrpc exportfs ipv6 ib_qib(N) dca mlx4_ib(N) mlx4_en(N) mlx4_core(N) ib_mthca(N) ib_mad(N) ib_core(N) fuse xfs loop dm_mod sg sr_mod ipmi_si hpwdt ipmi_msghandler e1000e button cdrom rtc_cmos container serio_raw pcspkr rtc_core hpilo rtc_lib usbhid hid ff_memless uhci_hcd ehci_hcd usbcore edd ext3 mbcache jbd fan ide_pci_generic ide_core ata_generic ata_piix libata dock thermal processor thermal_sys hwmon cciss scsi_mod
    Supported: No
    Pid: 5167, comm: rpc.mountd Tainted: G 2.6.27.37-0.1-default #1
    RIP: 0010:[<ffffffffa03e6a20>] [<ffffffffa03e6a20>] cache_revisit_request+0xcf/0xef [sunrpc]
    RSP: 0018:ffff8809071dfca8 EFLAGS: 00010293
    RAX: ffff880905435d60 RBX: ffff8809071dfca8 RCX: ffff88090d89c718
    RDX: 0000000000000003 RSI: ffff880905435d70 RDI: ffff880905435d60
    RBP: ffffffffa0406430 R08: ffff8809064d7d88 R09: 0000000300000000
    R10: 0000000000000400 R11: 0000000000000008 R12: ffff8805c32f83c0
    R13: 00000000000000fe R14: ffff8809071dfd38 R15: ffff8805c32f83e0
    FS: 00007f23025da740(0000) GS:ffff880911e1e440(0000) knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
    CR2: 0000000000000003 CR3: 000000090701b000 CR4: 00000000000006e0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process rpc.mountd (pid: 5167, threadinfo ffff8809071de000, task ffff880907048200)
    Stack: ffff880905435d70 ffff880905435d70 ffff8805c32f83c0 ffffffffa0406430
    ffff8805c32f83c0 ffffffffa03e6bc0 ffffffffa0406430 ffffffffa0406448
    ffffffffa0406430 ffffffffa03e7e2c ffff8809071dfe4d ffff8805c32f83c0
    Call Trace:
    [<ffffffffa03e6bc0>] cache_fresh_unlocked+0x20/0x33 [sunrpc]
    [<ffffffffa03e7e2c>] sunrpc_cache_update+0x7a/0x1b1 [sunrpc]
    [<ffffffffa03e36cf>] ip_map_update+0x130/0x16e [sunrpc]
    [<ffffffffa03e4491>] ip_map_parse+0x2b1/0x2ec [sunrpc]
    [<ffffffffa03e7333>] cache_write+0x90/0xad [sunrpc]
    [<ffffffff802f0e83>] proc_reg_write+0x78/0x93
    [<ffffffff802b1f76>] vfs_write+0xad/0x156
    [<ffffffff802b20db>] sys_write+0x45/0x6e
    [<ffffffff8020bfbb>] system_call_fastpath+0x16/0x1b
    [<00007f2301d3ff70>] 0x7f2301d3ff70
    Code: 4c 39 cf 75 b3 44 89 05 4f 2d 02 00 66 ff 05 28 1d 02 00 48 89 e3 eb 23 48 8d 46 f0 48 8b 48 10 48 8b 50 18 48 89 c7 48 89 51 08 <48> 89 0a 48 89 70 18 48 89 70 10 31 f6 ff 50 30 48 8b 34 24 48
    RIP [<ffffffffa03e6a20>] cache_revisit_request+0xcf/0xef [sunrpc]
    RSP <ffff8809071dfca8>
    CR2: 0000000000000003
    ---[ end trace 1779888f22b87da0 ]---

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