System core dumps and reboots : EIP: [<f91f1b8b>] mvop_linux_open_kernel+0x334/0x3a0 [mvfs] SS:ESP 0068:eced2e4c

Solution Verified - Updated -

Issue

  • machine core dumps and reboots.

  • vmcore log reported below messages.

    MVFS initialized--adapter built at $Date: 2008-07-04.05:39:39 (UTC) $
    mvfs: Ok: INFO: MVFS: Setting mvfs_largeinit to 2 based on physical memory size of 904220KB
    BUG: unable to handle kernel NULL pointer dereference at virtual address 00000030
     printing eip:
    f91f1b8b
    *pde = 00000000
    Oops: 0000 [#1]
    SMP 
    last sysfs file: /devices/pci0000:00/0000:00:00.0/resource
    

Below is the trace back in vmcore file .

Modules linked in: mvfs(U) nfsd exportfs auth_rpcgss autofs4 hidp nfs lockd fscache nfs_acl rfcomm l2cap bluetooth vsock(U) vmci(U) vmmemctl(U) pvscsi(U) sunrpc ib_iser libiscsi scsi_transport_iscsi ib_srp ib_sdp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_addr ib_sa ib_mad ib_core dm_mirror dm_multipath dm_mod video sbs backlight i2c_ec button battery asus_acpi ac ipv6 xfrm_nalgo crypto_api lp sg pcnet32 floppy ide_cd i2c_piix4 mii parport_pc i2c_core serio_raw pcspkr parport cdrom vmxnet(U) ata_piix libata mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
CPU:    0
EIP:    0060:[<f91f1b8b>]    Tainted: G      VLI
EFLAGS: 00010286   (2.6.18-92.el5 #1) 
EIP is at mvop_linux_open_kernel+0x334/0x3a0 [mvfs]
eax: 00000000   ebx: 00000000   ecx: cc1c0924   edx: 00000020
esi: eff8f0c0   edi: ec55a17c   ebp: 00000000   esp: eced2e4c
ds: 007b   es: 007b   ss: 0068
Process updatedb (pid: 22261, ti=eced2000 task=f78ff000 task.ti=eced2000)
Stack: e361c270 eced2e7c 00000000 00000000 cc1c0924 00000000 00000001 f73a4380 
       e361c270 f5e6ab14 f91f1c39 eced2e80 cc1c0924 00000000 f92199e0 f9217f00 
       e361c270 f91cb24b f73a4380 e361c270 00000001 eced2ef8 eced2f3c f49e01d0 
Call Trace:
 [<f91f1c39>] mvop_linux_open+0x42/0x7e [mvfs]
 [<f91cb24b>] mvfs_openv_ctx+0x82/0x74c [mvfs]
 [<f91ed1e5>] mvfs_linux_open_wrapper+0xb/0xe [mvfs]
 [<f91ef516>] vnode_fop_open+0xc8/0xfc [mvfs]
 [<f91ef44e>] vnode_fop_open+0x0/0xfc [mvfs]
 [<c046f56b>] __dentry_open+0xc7/0x1ab
 [<c046f6b3>] nameidata_to_filp+0x19/0x28
 [<c046f6ed>] do_filp_open+0x2b/0x31
 [<c046f731>] do_sys_open+0x3e/0xae
 [<c046f7ce>] sys_open+0x16/0x18
 [<c0404eff>] syscall_call+0x7/0xb
 =======================
Code: 8b 46 08 8b 40 0c 8b 80 a4 00 00 00 89 86 88 00 00 00 8b 00 8b 90 a4 00 00 00 8d 46 48 e8 12 db ff ff 83 7e 0c 00 74 57 8b 46 10 <8b> 48 30 85 c9 74 0c 89 f2 89 f8 ff d1 85 c0 89 c3 75 46 8b 4c 
EIP: [<f91f1b8b>] mvop_linux_open_kernel+0x334/0x3a0 [mvfs] SS:ESP 0068:eced2e4c

Environment

  • Red Hat Enterprise Linux Server release 5.2

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