[Ocfs2-users] Sles10 Sp2 kernel crash

[Charlie Sharkey]

I got the following crash on a Sles10 SP2 system, info below.

 

Is this a known problem ?    It looks similar to bug# 912

       http://oss.oracle.com/bugzilla/show_bug.cgi?id=912

 

version info

-----------------

OCFS2 Node Manager 1.4.1-1-SLES Wed Jul 23 18:33:42 UTC 2008 (build
f922955d99ef972235bd0c1fc236c5ddbb368611)

OCFS2 DLM 1.4.1-1-SLES Wed Jul 23 18:33:42 UTC 2008 (build
f922955d99ef972235bd0c1fc236c5ddbb368611)

OCFS2 DLMFS 1.4.1-1-SLES Wed Jul 23 18:33:42 UTC 2008 (build
f922955d99ef972235bd0c1fc236c5ddbb368611)

 

crash info

------------- 

     KERNEL: ./vmlinux-2.6.16.60-0.42.10

    DUMPFILE: ../n2_vmcore_20100925

     CPUS: 8

     DATE: Sat Sep 25 12:48:00 2010

     UPTIME: 10 days, 04:08:44

     LOAD AVERAGE: 9.39, 9.11, 8.67

     TASKS: 484

    NODENAME: n2

     RELEASE: 2.6.16.60-0.42.10-smp

     VERSION: #1 SMP Tue Apr 27 05:11:27 UTC 2010

     MACHINE: x86_64  (2926 Mhz)

     MEMORY: 2.9 GB

    PANIC: ""

    PID: 6557

     COMMAND: "dlm_thread"

     TASK: ffff81012ac89860  [THREAD_INFO: ffff81010532e000]

     CPU: 4

     STATE: TASK_RUNNING (PANIC)

 

crash> bt

PID: 6557   TASK: ffff81012ac89860  CPU: 4   COMMAND: "dlm_thread"

 #0 [ffff81010532fa50] machine_kexec at ffffffff8011c0b6

 #1 [ffff81010532fb20] crash_kexec at ffffffff80154022

 #2 [ffff81010532fbe0] __die at ffffffff802ec658

 #3 [ffff81010532fc20] die at ffffffff8010c7e6

 #4 [ffff81010532fc50] do_invalid_op at ffffffff8010cd97

 #5 [ffff81010532fd10] error_exit at ffffffff8010bced

    [exception RIP: dlm_drop_lockres_ref+480]

    RIP: ffffffff88511d2a  RSP: ffff81010532fdc8  RFLAGS: 00010286

    RAX: ffff81006181cc08  RBX: 0000000000000000  RCX: 000000000001109c

    RDX: 000000000000001f  RSI: 0000000000000296  RDI: ffffffff8035ba1c

    RBP: ffff81006181cbc0   R8: ffffffff8045a260   R9: 000000000000001f

    R10: 0000000000000000  R11: 0000000000000000  R12: ffff810129b05c00

    R13: 000000000000001f  R14: ffff81004ada2320  R15: 000000000000026d

    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018

 #6 [ffff81010532fdc0] dlm_drop_lockres_ref at ffffffff88511d2a

 #7 [ffff81010532fe40] dlm_run_purge_list at ffffffff8852035c

 #8 [ffff81010532fe90] dlm_thread at ffffffff88520718

 #9 [ffff81010532ff10] kthread at ffffffff801480cd

#10 [ffff81010532ff50] kernel_thread at ffffffff8010bea6

crash>    

                                                                  

 

text extracted from the core file:

-----------------------------------------

 

<3>(6345,7):dlm_deref_lockres_handler:2302 ERROR:
27870DB34A7241CC8EBDD43647ABE1FB:M0000000000000078b4305e00000000: node 0
trying to drop ref but it is already dropped!

<3>(6557,4):dlm_drop_lockres_ref:2234 ERROR: while dropping ref on
130ADCC7DE934141AF05DA025CCD14A4:O0000000000000079a3bfbc00000000
(master=0) got -22.

<1>Kernel BUG at fs/ocfs2/dlm/dlmmaster.c:2236

<4>Modules linked in: af_packet ocfs2 ocfs2_dlmfs ocfs2_dlm
ocfs2_nodemanager configfs btipbsa4 ipmi_devintf ipmi_si ipmi_msghandler
bonding ipv6 bticomp_aha363 dock smi button battery btismc ac st loop
dm_round_robin dm_multipath dm_mod usbhid usb_storage ide_core i2c_i801
igb e1000 hw_random i2c_core uhci_hcd ehci_hcd usbcore ext3 jbd qla2xxx
firmware_class qla2xxx_conf intermodule edd fan thermal processor sg
megaraid_sas ata_piix libata sd_mod scsi_mod

<4>Pid: 6557, comm: dlm_thread Tainted: P     U 2.6.16.60-0.42.10-smp #1

<4>RIP: 0010:[<ffffffff88511d2a>]
<ffffffff88511d2a>{:ocfs2_dlm:dlm_drop_lockres_ref+480}

<4>Process dlm_thread (pid: 6557, threadinfo ffff81010532e000, task
ffff81012ac89860)

<4>Call Trace: <ffffffff8852035c>{:ocfs2_dlm:dlm_run_purge_list+771}

<4>       <ffffffff88520718>{:ocfs2_dlm:dlm_thread+131}
<ffffffff8014820e>{autoremove_wake_function+0}

<4>       <ffffffff88520695>{:ocfs2_dlm:dlm_thread+0}
<ffffffff80147e05>{keventd_create_kthread+0}

<1>RIP <ffffffff88511d2a>{:ocfs2_dlm:dlm_drop_lockres_ref+480} RSP
<ffff81010532fdc8>

 

 

 

 

 

 

 

 

 

 

 

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