Just got this when joining one node. CMAN: Waiting to join or form a Linux-cluster CMAN: sending membership request CMAN: got node new-noc Got ENDTRANS from a node not the master: master: 6, sender: 1 CMAN: node new-noc is not responding - removing from the cluster ------------[ cut here ]------------ kernel BUG at /usr/src/cvs/cluster/cman-kernel/src/membership.c:2892! invalid operand: 0000 [#1] PREEMPT SMP Modules linked in: ipv6 qla2300 qla2xxx ohci_hcd gfs lock_dlm lock_harness dlm cman CPU: 2 EIP: 0060:[<f885c669>] Tainted: GF EFLAGS: 00010246 (2.6.7-gentoo-r11) EIP is at elect_master+0x2a/0x41 [cman] eax: 00000080 ebx: 00000080 ecx: f88a4000 edx: 00000000 esi: f8870c08 edi: f8870c00 ebp: f7139fc0 esp: f7139f90 ds: 007b es: 007b ss: 0068 Process cman_memb (pid: 7327, threadinfo=f7138000 task=c22ed1e0) Stack: f7afdb28 f8859d34 f7139fa4 00000001 f8858883 f7bf7494 fffffffb 00000000 f7138000 0000001f 00000000 c0103fb6 00000000 c22ed1e0 c01176e2 00100100 00200200 00000000 00000000 00000000 f88584d8 00000000 00000000 00000000 Call Trace: [<f8859d34>] a_node_just_died+0x130/0x181 [cman] [<f8858883>] membership_kthread+0x3ab/0x3e4 [cman] [<c0103fb6>] ret_from_fork+0x6/0x14 [<c01176e2>] default_wake_function+0x0/0x12 [<f88584d8>] membership_kthread+0x0/0x3e4 [cman] [<c01022a1>] kernel_thread_helper+0x5/0xb Code: 0f 0b 4c 0b a0 51 86 f8 31 c0 5b c3 8b 44 24 08 89 10 8b 42 -- Lazar Obradovic, System Engineer ----- laza@xxxxxx YUnet International http://www.EUnet.yu Dubrovacka 35/III, 11000 Belgrade Tel: +381 11 3119901; Fax: +381 11 3119901 ----- This e-mail is confidential and intended only for the recipient. Unauthorized distribution, modification or disclosure of its contents is prohibited. If you have received this e-mail in error, please notify the sender by telephone +381 11 3119901. -----