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CIFS Leads To Kernel Panic in Exalogic Machines (Doc ID 1634708.1)

Last updated on JULY 24, 2018

Applies to:

Oracle Exalogic Elastic Cloud Software - Version 2.0.3.0.4 to 2.0.6.0.0
Information in this document applies to any platform.

Symptoms

Customer running with EECS 2.0.3.0.1 observer following Kernel Panic due to CIFS mount point.

CIFS VFS: No response for cmd 50 mid 10381
CIFS VFS: No response for cmd 50 mid 10382
CIFS VFS: No response for cmd 50 mid 10384
CIFS VFS: No response for cmd 114 mid 10390
BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
IP: [<ffffffff813b0614>] __sock_recvmsg+0x58/0x7f
PGD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/system/cpu/cpu23/cache/index2/shared_cpu_map
CPU 5
Modules linked in: ksplice_gjv0nnl9_megaraid_sas_new(U) ksplice_gjv0nnl9(U) autofs4(U) ipmi_devintf(U) ipmi_si(U) ipmi_msghandler(U) hidp(U) nls_utf8(U) cifs(U) nfs(U) fscache(U) nfs_acl(U) auth_rpcgss(U) rfcomm(U) l2cap(U) bluetooth(U) rfkill(U) lockd(U) sunrpc(U) cpufreq_ondemand(U) acpi_cpufreq(U) freq_table(U) bonding(U) be2iscsi(U) iscsi_tcp(U) bnx2i(U) cnic(U) uio(U) cxgb3i(U) libcxgbi(U) cxgb3(U) mdio(U) libiscsi_tcp(U) libiscsi(U) scsi_transport_iscsi(U) rdma_ucm(U) ib_sdp(U) rdma_cm(U) iw_cm(U) ib_
addr(U) ib_ipoib(U) ib_cm(U) ipv6(U) ib_uverbs(U) ib_umad(U) mlx4_vnic(U) mlx4_vnic_helper(U) mlx4_ib(U) ib_sa(U) ib_mad(U) ib_core(U) mlx4_core(U) video(U) output(U) sbs(U) sbshc(U) parport_pc(U) lp(U) parport(U) joydev(U) igb(U) snd_seq_dummy(U) snd_seq_oss(U) snd_seq_midi_event(U) snd_seq(U) snd_seq_device(U) snd_pcm_oss(U) snd_mixer_oss(U) snd_pcm(U) snd_timer(U) snd(U) i2c_i801(U) i2c_core(U) soundcore(U) snd_page_alloc(U) pcspkr(U) ioatdma(U) dca(U) ahci(U) shpchp(U) megaraid_sas(U) [last unloaded: ks
plice_gjv0nnl9_megaraid_sas_old]
Pid: 5533, comm: cifsd Tainted: G        W  2.6.32-400.1.3.el5uek #1 SUN FIRE X4170 M2 SERVER
RIP: 0010:[<ffffffff813b0614>]  [<ffffffff813b0614>] __sock_recvmsg+0x58/0x7f
RSP: 0018:ffff880c47ac3c40  EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000004 RSI: ffff880c47ac3e60 RDI: 0000000000000000
RBP: ffff880c47ac3c70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000001000000005 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000004 R14: ffff880c47ac3e60 R15: ffff880c47ac3c80
FS:  0000000000000000(0000) GS:ffff8800282a0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000040 CR3: 0000000001001000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process cifsd (pid: 5533, threadinfo ffff880c47ac2000, task ffff8809bd5801c0)
Stack:
ffff880028354f68 ffff880c47ac3c80 ffffffffffffffff 00000000ffffff98
<0> ffff880c480d1800 0000000000000000 ffff880c47ac3e00 ffffffff813b0cdf
<0> ffff880028354f00 ffff8800282b4f00 0000000000000000 ffffffff00000001
Call Trace:
[<ffffffff813b0cdf>] sock_recvmsg+0xcf/0xe8
[<ffffffff81043368>] ? test_tsk_need_resched+0x13/0x1d
[<ffffffff81077024>] ? autoremove_wake_function+0x0/0x3d
[<ffffffff8104cb48>] ? try_to_wake_up+0x3aa/0x3d1
[<ffffffff8104cb86>] ? default_wake_function+0x17/0x19
[<ffffffff8103fb2e>] ? __wake_up_common+0x46/0x79
[<ffffffff81044498>] ? __wake_up+0x48/0x55
[<ffffffff813b3436>] kernel_recvmsg+0x3a/0x46
[<ffffffffa053e63d>] cifs_demultiplex_thread+0x19a/0xbb0 [cifs]
[<ffffffffa053e4a3>] ? cifs_demultiplex_thread+0x0/0xbb0 [cifs]
[<ffffffff81076c7b>] kthread+0x6e/0x76
[<ffffffff81012dea>] child_rip+0xa/0x20
[<ffffffff81076c0d>] ? kthread+0x0/0x76
[<ffffffff81012de0>] ? child_rip+0x0/0x20
Code: 89 c3 48 89 70 18 48 89 50 30 4c 89 f6 89 48 14 48 c7 40 28 00 00 00 00 44 89 c1 44 89 40 10 44 89 ea e8 61 ac e3 ff 85 c0 75 1a <49> 8b 44 24 40 41 89 d8 4c 89 e9 4c 89 f2 4c 89 e6 4c 89 ff ff
RIP  [<ffffffff813b0614>] __sock_recvmsg+0x58/0x7f
RSP <ffff880c47ac3c40>
CR2: 0000000000000040
---[ end trace 71ad4fc8c6fe21c2 ]---
Kernel panic - not syncing: Fatal exception
Pid: 5533, comm: cifsd Tainted: G      D W  2.6.32-400.1.3.el5uek #1
Call Trace:
[<ffffffff810579a2>] panic+0xa5/0x162
[<ffffffff810128ae>] ? apic_timer_interrupt+0xe/0x20
[<ffffffff810576

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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