If you are still on 1.2.8-2, then it is a known issue fixed in 1.2.9-1. Gabriele Di Giambelardini wrote: > Hi to all, watching the log by more attention and in the moment when a > node go down, I have this imformation by the kernel about o2net : > > Jul 10 16:52:02 be1 kernel: BUG: soft lockup - CPU#0 stuck for 10s! > [o2net:6814] > Jul 10 16:52:02 be1 kernel: CPU 0: > Jul 10 16:52:02 be1 kernel: Modules linked in: ocfs2(U) ocfs2_dlmfs(U) > ocfs2_dlm > parport shpchp ide_cd cdrom i2c_i801 i5000_edac i2c_core serio_raw > edac_mc bnx2 > Jul 10 16:52:02 be1 kernel: Pid: 6814, comm: o2net Tainted: G > 2.6.18-92.el5 > Jul 10 16:52:02 be1 kernel: RIP: 0010:[<ffffffff80064b57>] > [<ffffffff80064b57>] > Jul 10 16:52:02 be1 kernel: RSP: 0018:ffff81043f281d28 EFLAGS: 00000246 > Jul 10 16:52:02 be1 kernel: RAX: ffff810316b02828 RBX: > ffff810440656018 RCX: 000 > Jul 10 16:52:02 be1 kernel: RDX: 0000000000000001 RSI: > 0000000000000286 RDI: fff > Jul 10 16:52:02 be1 kernel: RBP: ffff810367456c20 R08: > ffff810316b02838 R09: fff > Jul 10 16:52:02 be1 kernel: R10: ffff810316b02858 R11: > 000000000000fa55 R12: fff > Jul 10 16:52:02 be1 kernel: R13: 0000000000000044 R14: > 000000000000001f R15: 000 > Jul 10 16:52:02 be1 kernel: FS: 0000000000000000(0000) > GS:ffffffff8039e000(0000 > Jul 10 16:52:02 be1 kernel: CS: 0010 DS: 0018 ES: 0018 CR0: > 000000008005003b > Jul 10 16:52:02 be1 kernel: CR2: 000000001c1b6ec8 CR3: > 0000000449592000 CR4: 000 > Jul 10 16:52:02 be1 kernel: > Jul 10 16:52:02 be1 kernel: Call Trace: > Jul 10 16:52:02 be1 kernel: [<ffffffff884e7b0b>] > :ocfs2_dlm:dlm_assert_master_h > Jul 10 16:52:02 be1 kernel: [<ffffffff884ab15e>] > :ocfs2_nodemanager:o2net_proce > Jul 10 16:52:02 be1 kernel: [<ffffffff884ace20>] > :ocfs2_nodemanager:o2net_rx_un > Jul 10 16:52:02 be1 kernel: [<ffffffff884ac5d2>] > :ocfs2_nodemanager:o2net_rx_un > Jul 10 16:52:02 be1 kernel: [<ffffffff8004cea9>] run_workqueue+0x94/0xe4 > Jul 10 16:52:02 be1 kernel: [<ffffffff800497be>] worker_thread+0x0/0x122 > Jul 10 16:52:02 be1 kernel: [<ffffffff8009dbca>] > keventd_create_kthread+0x0/0xc > Jul 10 16:52:02 be1 kernel: [<ffffffff800498ae>] > worker_thread+0xf0/0x122 > Jul 10 16:52:02 be1 kernel: [<ffffffff8008ac03>] > default_wake_function+0x0/0xe > Jul 10 16:52:02 be1 kernel: [<ffffffff8009dbca>] > keventd_create_kthread+0x0/0xc > Jul 10 16:52:02 be1 kernel: [<ffffffff8009dbca>] > keventd_create_kthread+0x0/0xc > Jul 10 16:52:02 be1 kernel: [<ffffffff8003253d>] kthread+0xfe/0x132 > Jul 10 16:52:02 be1 kernel: [<ffffffff8005dfb1>] child_rip+0xa/0x11 > Jul 10 16:52:03 be1 kernel: [<ffffffff8009dbca>] > keventd_create_kthread+0x0/0xc > Jul 10 16:52:03 be1 kernel: [<ffffffff8002881b>] sync_page+0x0/0x42 > Jul 10 16:52:03 be1 kernel: [<ffffffff8003243f>] kthread+0x0/0x132 > Jul 10 16:52:03 be1 kernel: [<ffffffff8005dfa7>] child_rip+0x0/0x11 > > --------------------------------------------------------------------------------- > > Some body can help me to know what means?? > > Thanks > > ----- Messaggio originale ----- > Da: Gabriele Di Giambelardini <[EMAIL PROTECTED]> > A: V Srinivas <[EMAIL PROTECTED]> > Cc: [email protected] > Inviato: Lunedì 30 giugno 2008, 15:56:35 > Oggetto: Re: [Ocfs2-users] Fence abnormal and with not apparent reason > > Hi, this is my output on all the 5 servers > > Module "configfs": Loaded > Filesystem "configfs": Mounted > Module "ocfs2_nodemanager": Loaded > Module "ocfs2_dlm": Loaded > Module "ocfs2_dlmfs": Loaded > Filesystem "ocfs2_dlmfs": Mounted > Checking O2CB cluster ocfs2: Online > Heartbeat dead threshold: 61 > Network idle timeout: 60000 > Network keepalive delay: 2000 > Network reconnect delay: 2000 > Checking O2CB heartbeat: Active > > thanks > > > > ----- Messaggio originale ----- > Da: V Srinivas <[EMAIL PROTECTED]> > A: Gabriele Di Giambelardini <[EMAIL PROTECTED]> > Inviato: Lunedì 30 giugno 2008, 13:07:31 > Oggetto: Re: [Ocfs2-users] Fence abnormal and with not apparent reason > > pls send me service o2cb status output for that servers. > > > On 30/06/2008, *Gabriele Di Giambelardini* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > I to all, I have a big and intrigued problem. > I explain you the situation: > I have 5 servers linux and 1 SAN IBM , every server have ocfs2 > and by ocfs2-console I can watch they. Fot connect the server I > use an dedicate network, > The problem is that some times I have this message on one of the > server: > > kernel: o2net: connection to node test.test.it > <http://test.test.it> (num 1) at 10.10.10.1:7777 > <http://10.10.10.1:7777> has been idle for 60.0 seconds, shutting > it down. > > So my server has fenced, but when it come up, not success to start > ocfs2 or mount partition. For resolve it I must fence all servers > and every thing restart to work well. > I have noticed the if I'm not fast to fence all servers, other > nodes go in "shutting it down". > > > Some body can help me, it's really important for me. > > my server: > > - Red Hat Enterprise Linux Server release 5 > 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:14 EST 2007 x86_64 x86_64 > x86_64 GNU/Linux > > - ocfs2-2.6.18-8.el5-1.2.8-2.el5 > ocfs2-tools-1.2.7-1.el5 > ocfs2console-1.2.7-1.el5 > ocfs2-tools-debuginfo-1.2.6-1.el5 > ocfs2-2.6.18-92.1.1.el5-1.2.9-1.el5 > > - OCFS2 1.2.8 Tue Jan 22 11:58:16 PST 2008 (build > 9c7ae8bb50ef6d8791df2912775adcc5) > > thank in advance for any suggestions > > > > > > ------------------------------------------------------------------------ > Scopri il Blog di Yahoo! 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