Kernel panics in _ZNK8OpenFile28copyDataToPrevSnapshotNeededEjxx [mmfs26] with the error "BUG: unable to handle kernel paging request"

Solution Verified - Updated -

Issue

  • Kernel panics in _ZNK8OpenFile28copyDataToPrevSnapshotNeededEjxx [mmfs26] with the error "BUG: unable to handle kernel paging request"

  • Backtrace of panic task:

PID: 25376  TASK: ffff88017714d4c0  CPU: 2   COMMAND: "nfsd"
 #0 [ffff8801392c8e50] machine_kexec at ffffffff8103214b
 #1 [ffff8801392c8eb0] crash_kexec at ffffffff810b91c2
 #2 [ffff8801392c8f80] oops_end at ffffffff814f0cb0
 #3 [ffff8801392c8fb0] no_context at ffffffff810423fb
 #4 [ffff8801392c9000] __bad_area_nosemaphore at ffffffff81042685
 #5 [ffff8801392c9050] bad_area_nosemaphore at ffffffff81042753
 #6 [ffff8801392c9060] __do_page_fault at ffffffff81042e0d
 #7 [ffff8801392c9180] do_page_fault at ffffffff814f2c8e
 #8 [ffff8801392c91b0] page_fault at ffffffff814f0045
    [exception RIP: _ZNK8OpenFile28copyDataToPrevSnapshotNeededEjxx+692]
    RIP: ffffffffa08024a4  RSP: ffff8801392c9260  RFLAGS: 00010206
    RAX: 0000000000000059  RBX: 0000000000000000  RCX: 000000000000002a
    RDX: 0000040000000000  RSI: 0000000000000059  RDI: ffffc9007d16fa80
    RBP: 0000000000001655   R8: ffffc9004630ff28   R9: 0000000000000059
    R10: 0000000000001655  R11: 0000000000000015  R12: ffffc9006c186148
    R13: 00000000000056e8  R14: 0000000000001655  R15: 0000000000001655
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #9 [ffff8801392c92c8] _Z9gpfsWriteP13gpfsVfsData_tP15KernelOperationP9cxiNode_tiP8cxiUio_tP9MMFSVInfoP10cxiVattr_tSA_P10ext_cred_tPvi at ffffffffa079f343 [mmfs26]
#10 [ffff8801392c9758] rdwrInternal at ffffffffa048a8ca [mmfslinux]
#11 [ffff8801392c98d8] gpfs_f_aio_write at ffffffffa0493a2c [mmfslinux]
#12 [ffff8801392c9a18] do_sync_readv_writev at ffffffff811765fb
#13 [ffff8801392c9b48] do_readv_writev at ffffffff8117768f
#14 [ffff8801392c9c28] vfs_writev at ffffffff811777f6
#15 [ffff8801392c9c38] nfsd_vfs_write at ffffffffa06963d5 [nfsd]
#16 [ffff8801392c9d08] nfsd_write at ffffffffa0698ed7 [nfsd]
#17 [ffff8801392c9d68] nfsd3_proc_write at ffffffffa06a07ef [nfsd]
#18 [ffff8801392c9dd8] nfsd_dispatch at ffffffffa069143e [nfsd]
#19 [ffff8801392c9e18] svc_process_common at ffffffffa0329534 [sunrpc]
#20 [ffff8801392c9e98] svc_process at ffffffffa0329b70 [sunrpc]
#21 [ffff8801392c9eb8] nfsd at ffffffffa0691b62 [nfsd]
#22 [ffff8801392c9ee8] kthread at ffffffff810909c6
#23 [ffff8801392c9f48] kernel_thread at ffffffff8100c14a

Environment

  • Red Hat Enterprise Linux 6 - kernel-2.6.32-220.23.1.el6.x86_64
  • IBM mmfslinux/mmfs26

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.