Hello there, we're experiencing strange behaviour with our ocfs2-enabled systems after one node goes down. Right now it is not possible to recreate this situation, for it is (alas!) on a critical system... This happened on a HP ProLiant DL 360 with an ocfs2 volume on a SAN. We're running Debian Squeeze with o2cb_ctl version 1.4.4. This is my first post on an oops, so if I missed any information I'd be glad if you gave me some hints. Here's the trace:
Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225294] BUG: unable to handle kernel NULL pointer dereference at 00000002 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225346] IP: [<fb4fdf60>] ocfs2_read_blocks+0x2e2/0x5ba [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225393] *pdpt = 0000000001 446001 *pde = 0000000000000000 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225426] Oops: 0000 [#1] SMP Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225453] last sysfs file: /sys/devices/pci0000:00/0000:00:07.0/0000:0d:00.0/host3/rport-3:0-7/target3:0:0/3:0:0:10/state Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225506] Modules linked in: ipt_REJECT xt_tcpudp iptable_filter ip_tables ocfs2 quota_tree ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs arpt_mangle arptable_filter arp_tables x_tables bonding dm_round_robin dm_multipath scsi_dh loop radeon ttm snd_pcm drm_kms_helper snd_timer snd drm soundcore i2c_algo_bit ipmi_si ses i2c_core ipmi_msghandler snd_page_alloc sd_mod psmouse hpwdt pcspkr enclosure hpilo crc_t10dif serio_raw processor container power_meter button evdev ext4 mbcache jbd2 crc16 dm_mod sg usbhid sr_mod hid cdrom ata_generic cciss uhci _hcd thermal qla2xxx scsi_transport_fc ata_piix scsi_tgt ehci_hcd libata usbcore nls_base thermal_sys bnx2 scsi_mod [last unloaded: scsi_wait_scan] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225952] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.225974] Pid: 32337, comm: ocfs2rec Not tainted (2.6.32-5-686-bigmem #1) ProLiant DL380 G6 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226022] EIP: 0060:[<fb4fdf60>] EFLAGS: 00010202 CPU: 10 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226059] EIP is at ocfs2_read_blocks+0x2e2/0x5ba [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226087] EAX: f5647d48 EBX: f3ec31dc ECX: ffffffff EDX: 00000001 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226116] ESI: 00000002 EDI: 00000000 EBP: 00000001 ESP: f40f1e6c Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226145] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226174] Process ocfs2rec (pid: 32337, ti=f40f0000 task=f658aec0 task.ti=f40f0000) Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226219] Stack: Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226240] 00000001 00000000 ffffffff ffffffff f5dc8dd8 f5673000 00000001 f3ec31dc Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226286] <0> f6b34d20 00000000 f3ec3000 fb53937f 00000001 f5647d48 00000001 00000000 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226350] <0> f3ec31dc 00000001 f3ec3000 00000000 fb50eeab f383be64 f3ec3000 00000000 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226431] Call Trace: Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226467] [<fb53937f>] ? ocfs2_refresh_slot_info+0x80/0xad [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226508] [<fb50eeab>] ? ocfs2_super_lock+0x1b4/0x27c [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226548] [<fb51e18f>] ? __ocfs2_recovery_thread+0xc4/0x146d [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226581] [<c1006f50>] ? __switch_to+0xcf/0x141 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226610] [<c1031658>] ? finish_task_switch+0x34/0x95 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226642] [<c127e933>] ? schedule+0x7a4/0x7f1 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226670] [<c1026881>] ? __wake_up_common+0x34/0x59 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226708] [<fb51e0cb>] ? __ocfs2_recovery_thread+0x0/0x146d [ocfs2] Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226741] [<c104a34c>] ? kthread+0x61/0x66 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226767] [<c104a2eb>] ? kthread+0x0/0x66 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226795] [<c1008d87>] ? kernel_thread_helper+0x7/0x10 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.226822] Code: 01 00 00 68 bd 0e 56 fb e8 d9 00 d8 c5 c7 44 24 3c 01 00 00 00 83 c4 24 eb 11 8b 14 24 89 54 24 18 eb 08 c7 44 24 18 01 00 00 00 <8b> 06 a9 00 00 01 00 74 50 83 7c 24 18 00 0f 84 5b 01 00 00 f6 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.227056] EIP: [<fb4fdf60>] ocfs2_read_blocks+0x2e2/0x5ba [ocfs2] SS:ESP 0068:f40f1e6c Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.227117] CR2: 0000000000000002 Jun 23 02:27:45 s_local@dante/dante kernel: : [638743.227387] ---[ end trace c5a96dd4578cc061 ]--- _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
