Hi, Thanks a lot . Raised SR 3-6857095451 : Kernel panic due to ocfs, with severity 1.
Regards, Ravi From: ext Srinivas Eeda [mailto:srinivas.e...@oracle.com] Sent: Tuesday, February 26, 2013 12:01 PM To: Ramappa, Ravi (NSN - IN/Bangalore) Cc: ocfs2-users@oss.oracle.com Subject: Re: [Ocfs2-users] Kernel panic due to ocfs2 This is due to a race in lock mastery/purge. I have recently fixed this problem but haven't yet submitted the patch to mainline. Please file a Service request with Oracle to get a one-off fix. On 02/25/2013 10:07 PM, Ramappa, Ravi (NSN - IN/Bangalore) wrote: Hi, In a 13 node cluster, the first four nodes went into kernel panic state. The /var/log/messages contained messages as below, Feb 25 22:02:46 prod152 kernel: (o2net,9470,5):dlm_assert_master_handler:1817 ERROR: DIE! Mastery assert from 4, but current owner is 2! (O000000000000000c36706200000000) Feb 25 22:02:46 prod152 kernel: lockres: O000000000000000c36706200000000, owner=2, state=0 Feb 25 22:02:46 prod152 kernel: last used: 0, refcnt: 3, on purge list: no Feb 25 22:02:46 prod152 kernel: on dirty list: no, on reco list: no, migrating pending: no Feb 25 22:02:46 prod152 kernel: inflight locks: 0, asts reserved: 0 Feb 25 22:02:46 prod152 kernel: refmap nodes: [ ], inflight=0 Feb 25 22:02:46 prod152 kernel: granted queue: Feb 25 22:02:46 prod152 kernel: type=3, conv=-1, node=2, cookie=2:222205, ref=2, ast=(empty=y,pend=n), bast=(empty=y,pend=n), pending=(conv=n,lock=n,cancel=n,unlock=n) Feb 25 22:02:46 prod152 kernel: converting queue: Feb 25 22:02:46 prod152 kernel: blocked queue: Feb 25 22:02:46 prod152 kernel: ----------- [cut here ] --------- [please bite here ] --------- Feb 25 22:02:46 prod152 kernel: Kernel BUG at .../build/BUILD/ocfs2-1.4.10/fs/ocfs2/dlm/dlmmaster.c:1819 Feb 25 22:02:46 prod152 kernel: invalid opcode: 0000 [1] SMP Feb 25 22:02:46 prod152 kernel: last sysfs file: /block/cciss!c0d0/cciss!c0d0p1/stat Feb 25 22:02:46 prod152 kernel: CPU 5 Feb 26 09:50:27 prod152 syslogd 1.4.1: restart. The OCFS2 rpm versions used are as below, [root@prod152 ~]# uname -r 2.6.18-308.1.1.el5 [root@prod152 ~]# rpm -qa| grep ocfs ocfs2-2.6.18-308.1.1.el5xen-1.4.10-1.el5 ocfs2-tools-devel-1.6.3-2.el5 ocfs2-2.6.18-308.1.1.el5-1.4.10-1.el5 ocfs2-tools-debuginfo-1.6.3-2.el5 ocfs2-tools-1.6.3-2.el5 ocfs2console-1.6.3-2.el5 ocfs2-2.6.18-308.1.1.el5debug-1.4.10-1.el5 root@prod152 ~]# cat /etc/ocfs2/cluster.conf node: ip_port = 7777 ip_address = 10.10.10.150 number = 0 name = prod150 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.151 number = 1 name = prod151 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.152 number = 2 name = prod152 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.153 number = 3 name = prod153 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.106 number = 4 name = prod106 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.107 number = 5 name = prod107 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.155 number = 6 name = prod155 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.156 number = 7 name = prod156 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.157 number = 8 name = prod157 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.158 number = 9 name = prod158 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.51 number = 10 name = prod51 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.52 number = 11 name = prod52 cluster = ocfs2 node: ip_port = 7777 ip_address = 10.10.10.154 number = 12 name = prod154 cluster = ocfs2 cluster: node_count =13 name = ocfs2 [root@prod152 ~]# Is this a known issue ? Any issues in the configuration ? Thanks, Ravi _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com<mailto:Ocfs2-users@oss.oracle.com> https://oss.oracle.com/mailman/listinfo/ocfs2-users
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