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[suse-oracle] OCFS2: why the "kernel bug" messages?

Silviu Marin-Caea

2005-09-19


I'm seeing stuff like this too often in /var/log/messages...

Sep 16 17:53:37 node1-cluster1 kernel: ------------[ cut here ]------------
Sep 16 17:53:37 node1-cluster1 kernel: kernel BUG at
fs/ocfs2/dlm/dlmmaster.c:488!
Sep 16 17:53:37 node1-cluster1 kernel: invalid operand: 0000 [#1]
Sep 16 17:53:37 node1-cluster1 kernel: SMP
Sep 16 17:53:37 node1-cluster1 kernel: CPU:   2
Sep 16 17:53:37 node1-cluster1 kernel: EIP:   0060:[<f97651a5>]
Tainted: G  U
Sep 16 17:53:37 node1-cluster1 kernel: EFLAGS: 00010206
(2.6.5-7.201-bigsmp SLES9_SP2_BRANCH-200508250620450000)
Sep 16 17:53:37 node1-cluster1 kernel: EIP is at
dlm_lockres_release+0xf5/0x140 [ocfs2_dlm]
Sep 16 17:53:37 node1-cluster1 kernel: eax: ed86aba8  ebx: ed86ab80
ecx: f0239e80  edx: ed86ab88
Sep 16 17:53:37 node1-cluster1 kernel: esi: efe008e0  edi: 00000009
ebp: f62abc00  esp: f4ebfeec
Sep 16 17:53:37 node1-cluster1 kernel: ds: 007b  es: 007b  ss: 0068
Sep 16 17:53:37 node1-cluster1 kernel: Process dlm_thread (pid: 7494,
threadinfo=f4ebe000 task=f5b93330)
Sep 16 17:53:37 node1-cluster1 kernel: Stack: 00100100 00200200 0104af76
00000001 4b87ad6e 00000282 f00e43b8 ed86abb8
Sep 16 17:53:37 node1-cluster1 kernel:     ed86ab80 c021b785 f9758de0
f4ebffac 00000046 00000080 0000001e 00002710
Sep 16 17:53:37 node1-cluster1 kernel:     c90a8960 00000003 00000000
c9090960 f62abc0c f62abc14 f4ebe000 f4ebe000
Sep 16 17:53:37 node1-cluster1 kernel: Call Trace:
Sep 16 17:53:37 node1-cluster1 kernel: [<c021b785>] kref_put+0x15/0x20
Sep 16 17:53:37 node1-cluster1 kernel: [<f9758de0>]
dlm_thread+0x120/0x6b0 [ocfs2_dlm]
Sep 16 17:53:37 node1-cluster1 kernel: [<c012ac60>]
autoremove_wake_function+0x0/0x40
Sep 16 17:53:37 node1-cluster1 kernel: [<c012ac60>]
autoremove_wake_function+0x0/0x40
Sep 16 17:53:37 node1-cluster1 kernel: [<f9758cc0>]
dlm_thread+0x0/0x6b0 [ocfs2_dlm]
Sep 16 17:53:37 node1-cluster1 kernel: [<c0140239>] kthread+0xf9/0x12d
Sep 16 17:53:37 node1-cluster1 kernel: [<c0140140>] kthread+0x0/0x12d
Sep 16 17:53:37 node1-cluster1 kernel: [<c0107005>]
kernel_thread_helper+0x5/0x10
Sep 16 17:53:37 node1-cluster1 kernel:
Sep 16 17:53:37 node1-cluster1 kernel: Code: 0f 0b e8 01 d7 53 77 f9 e9
61 ff ff ff 0f 0b e7 01 d7 53 77

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