Hi,
We're running ocfs2-2.6.18-92.el5-1.4.7-1.el5, on a 12 node Red Hat 5.2 64bit cluster. We've now experienced the following crash twice: Apr 11 14:25:55 XXX-XXX03 kernel: (o2net,19027,5):dlm_assert_master_handler:1837 ERROR: DIE! Mastery assert from 0, but current owner is 1! (O0000000000000006092d1b00000000) Apr 11 14:25:55 XXX-XXX03 kernel: lockres: O0000000000000006092d1b00000000, owner=1, state=0 Apr 11 14:25:55 XXX-XXX03 kernel: last used: 0, refcnt: 3, on purge list: no Apr 11 14:25:55 XXX-XXX03 kernel: on dirty list: no, on reco list: no, migrating pending: no Apr 11 14:25:55 XXX-XXX03 kernel: inflight locks: 0, asts reserved: 0 Apr 11 14:25:55 XXX-XXX03 kernel: refmap nodes: [ ], inflight=0 Apr 11 14:25:55 XXX-XXX03 kernel: granted queue: Apr 11 14:25:55 XXX-XXX03 kernel: type=3, conv=-1, node=1, cookie=1:207894147, ref=2, ast=(empty=y,pend=n), bast=(empty=y,pend=n), pending=(conv=n,lock=n,cancel=n,unlock=n) Apr 11 14:25:55 XXX-XXX03 kernel: converting queue: Apr 11 14:25:55 XXX-XXX03 kernel: blocked queue: Apr 11 14:25:55 XXX-XXX03 kernel: ----------- [cut here ] --------- [please bite here ] --------- Apr 11 14:25:55 XXX-XXX03 kernel: Kernel BUG at ..mushran/BUILD/ocfs2-1.4.7/fs/ocfs2/dlm/dlmmaster.c:1839 Apr 11 14:25:55 XXX-XXX03 kernel: invalid opcode: 0000 [1] SMP Can anyone offer any advice please? Regards, Mark Information in this e-mail and any attachments is confidential, and may not be copied or used by anyone other than the addressee, nor disclosed to any third party without our permission. There is no intention to create any legally binding contract or other binding commitment through the use of this electronic communication unless it is issued in accordance with the Experian Limited standard terms and conditions of purchase or other express written agreement between Experian Limited and the recipient. Although Experian has taken reasonable steps to ensure that this communication and any attachments are free from computer virus, you are advised to take your own steps to ensure that they are actually virus free. Companies Act information: Registered name: Experian Limited. Registered office: Landmark House, Experian Way, NG2 Business Park, Nottingham, NG80 1ZZ, United Kingdom. Place of registration: England and Wales. Registered number: 653331
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