Hello<br><br>I'm still having weekly panics on my system, but now I've at least got something to report back from the netconsole.<br><br>To summarize system: 2x Dell 1950 connected to a EMC CX3-20 SAN. Centos 5 x86_64
2.6.18-8.1.8.el5 #1 SMP.<br><br>Tonight both servers locked up - both while idling afaik. But this time tilesrv2 reported the following via netconsole before it went dead.<br><br>(4225,2):dlm_drop_lockres_ref:2289 ERROR: while dropping ref on 359E1C1D38374654BC5E5896EB7D5187:M0000000000000009cb578f4d7803fc (master=0) got -22.
<br>(4225,2):dlm_print_one_lock_resource:294 lockres: M0000000000000009cb578f4d7803fc, owner=0, state=64<br>(4225,2):__dlm_print_one_lock_resource:309 lockres: M0000000000000009cb578f4d7803fc, owner=0, state=64<br>(4225,2):__dlm_print_one_lock_resource:311 last used: 4354492857, on purge list: yes
<br>(4225,2):dlm_print_lockres_refmap:277 refmap nodes: [ ], inflight=0<br>(4225,2):__dlm_print_one_lock_resource:313 granted queue: <br>(4225,2):__dlm_print_one_lock_resource:328 converting queue: <br>(4225,2):__dlm_print_one_lock_resource:343 blocked queue:
<br>----------- [cut here ] --------- [please bite here ] ---------<br>Kernel BUG at ...mushran/BUILD/ocfs2-1.2.6/fs/ocfs2/dlm/dlmmaster.c:2291<br>invalid opcode: 0000 [1] SMP <br>last sysfs file: /devices/pci0000:00/0000:00:
04.0/0000:0c:00.0/host1/rport-1:0-1/target1:0:1/1:0:1:4/vendor<br>CPU 2 <br>Modules linked in: netconsole autofs4 hidp ocfs2(U) nfs lockd fscache nfs_acl rfcomm l2cap bluetooth ocfs2_dlmfs(U) ocfs2_dlm(U) ocfs2_nodemanager(U) configfs sunrpc ipt_REJECT ip6t_REJECT xt_tcpudp ip6table_filter ip6_tables x_tables dm_emc dm_round_robin dm_multipath video sbs i2c_ec i2c_core button battery asus_acpi acpi_memhotplug ac ipv6 parport_pc lp parport joydev shpchp bnx2 sr_mod ide_cd serio_raw cdrom sg pcspkr dm_snapshot dm_zero dm_mirror dm_mod usb_storage qla2xxx scsi_transport_fc megaraid_sas sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcdPid: 4225, comm: dlm_thread Not tainted
2.6.18-8.1.8.el5 #1<br> [<ffffffff884d60d3>] :ocfs2_dlm:dlm_drop_lockres_ref+0x1d3/0x1ec<br>RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff802da65c<br>R13: ffff81012d087000 R14: ffff8100435c5f60 R15: ffffffff8009b4f6
<br>CR2: 000000001ec07000 CR3: 00000001289c9000 CR4: 00000000000006e0<br> 303030303030304d<br> 0000000000000000 0000000000000000 ffff81001defe648 [<ffffffff884e9031>] :ocfs2_dlm:dlm_purge_lockres+0x175/0x34a<br> [<ffffffff8009b6b9>] autoremove_wake_function+0x0/0x2e
<br> [<ffffffff884e93c2>] :ocfs2_dlm:dlm_thread+0x0/0x579<br> [<ffffffff80032189>] kthread+0xfe/0x132<br> [<ffffffff8005bfe5>] child_rip+0xa/0x11<br> [<ffffffff8009b4f6>] keventd_create_kthread+0x0/0x61
<br> [<ffffffff8005bfdb>] child_rip+0x0/0x11<br>0f d6 c2 83 d8 5c [<ffffffff884d60d3>] :ocfs2_dlm:dlm_drop_lockres_ref+0x1d3/0x1ec<br><0>Kernel panic - not syncing: Fatal exception<br><br>I'd be happy to provide more info or open a bug-report. Just tell me what you need. I hope this is a better report than last time :)
<br><br>Daniel<br>