I managed to get ahold of the kernel panic message because it's happening on any new machines I try to introduce to the cluster:
[ 66.276054] OCFS2 1.5.0 [ 66.337531] o2dlm: Nodes in domain A3AA504BE42E4D3D8A15248D8FCD49BB: 3 5 [ 66.380092] ocfs2: Mounting device (8,16) on (node 5, slot 2) with ordered data mode. [ 66.401719] (ocfs2rec,1382,0):ocfs2_replay_journal:1601 Recovering node 1 from slot 1 on device (8,16) [ 118.890439] o2net: connected to node pedge33 (num 1) at 10.88.0.33:7777 [ 118.911765] o2net: connected to node pedge38 (num 4) at 10.88.0.38:7777 [ 240.440024] INFO: task kworker/u:3:46 blocked for more than 120 seconds. [ 240.460495] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.481125] kworker/u:3 D 0000000000000001 0 46 2 0x00000000 [ 240.501761] ffff88020338dbd0 0000000000000046 ffff88020338dfd8 ffff88020338c000 [ 240.522547] 0000000000013d00 ffff88020333c858 ffff88020338dfd8 0000000000013d00 [ 240.543180] ffff8802034c96e0 ffff88020333c4a0 ffff880205105b80 0000000000000001 [ 240.563579] Call Trace: [ 240.583607] [<ffffffffa03c01dd>] ocfs2_wait_for_recovery+0x7d/0xd0 [ocfs2] [ 240.604038] [<ffffffff81087fb0>] ? autoremove_wake_function+0x0/0x40 [ 240.624265] [<ffffffffa03a8088>] ocfs2_inode_lock_full_nested+0x268/0x6a0 [ocfs2] [ 240.645091] [<ffffffffa03b6026>] ? ocfs2_node_map_set_bit+0x46/0x60 [ocfs2] [ 240.666163] [<ffffffffa03bc018>] ocfs2_queue_orphans+0x68/0x260 [ocfs2] [ 240.687431] [<ffffffff81038c79>] ? default_spin_lock_flags+0x9/0x10 [ 240.708689] [<ffffffffa03bd3d4>] ocfs2_recover_orphans+0x54/0x230 [ocfs2] [ 240.729977] [<ffffffffa03bbe1c>] ? __ocfs2_wait_on_mount+0xcc/0x140 [ocfs2] [ 240.751404] [<ffffffff81087fb0>] ? autoremove_wake_function+0x0/0x40 [ 240.772669] [<ffffffffa03c0417>] ocfs2_complete_recovery+0x1e7/0x690 [ocfs2] [ 240.793894] [<ffffffffa03c0230>] ? ocfs2_complete_recovery+0x0/0x690 [ocfs2] [ 240.814874] [<ffffffff8108284d>] process_one_work+0x11d/0x420 [ 240.835518] [<ffffffff810832e9>] worker_thread+0x169/0x360 [ 240.855910] [<ffffffff81083180>] ? worker_thread+0x0/0x360 [ 240.876296] [<ffffffff81087866>] kthread+0x96/0xa0 [ 240.896305] [<ffffffff8100ce24>] kernel_thread_helper+0x4/0x10 [ 240.915969] [<ffffffff810877d0>] ? kthread+0x0/0xa0 [ 240.935412] [<ffffffff8100ce20>] ? kernel_thread_helper+0x0/0x10 [ 240.954898] INFO: task ureadahead:1384 blocked for more than 120 seconds. [ 240.974688] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.994902] ureadahead D 0000000000000001 0 1384 1 0x00000000 [ 241.015064] ffff880206991d08 0000000000000086 ffff880206991fd8 ffff880206990000 [ 241.035271] 0000000000013d00 ffff8802051ac858 ffff880206991fd8 0000000000013d00 [ 241.055316] ffff8802068216e0 ffff8802051ac4a0 ffff880206991ce8 0000000000000001 [ 241.075007] Call Trace: [ 241.094061] [<ffffffffa03c01dd>] ocfs2_wait_for_recovery+0x7d/0xd0 [ocfs2] [ 241.113431] [<ffffffff81087fb0>] ? autoremove_wake_function+0x0/0x40 [ 241.132382] [<ffffffffa03a8088>] ocfs2_inode_lock_full_nested+0x268/0x6a0 [ocfs2] [ 241.151399] [<ffffffffa03b8812>] ocfs2_inode_revalidate+0x72/0x2c0 [ocfs2] [ 241.170682] [<ffffffffa03b0839>] ocfs2_getattr+0x59/0x1d0 [ocfs2] [ 241.189648] [<ffffffff81169521>] vfs_getattr+0x51/0x120 [ 241.208176] [<ffffffff81169648>] vfs_fstatat+0x58/0x70 [ 241.226132] [<ffffffff8116969b>] vfs_stat+0x1b/0x20 [ 241.243766] [<ffffffff811698da>] sys_newstat+0x1a/0x40 [ 241.261254] [<ffffffff815c3955>] ? page_fault+0x25/0x30 [ 241.278749] [<ffffffff8100c002>] system_call_fastpath+0x16/0x1b _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users