Am 29.09.2010 um 11:25 schrieb Tao Ma: > On 09/29/2010 05:13 PM, Alexander Barton wrote: > >> cl1-n2 kernel: [ 4006.829327] general protection fault: 0000 [#21] SMP >> cl1-n2 kernel: [ 4006.829487] last sysfs file: >> /sys/devices/platform/coretemp.7/temp1_label >> cl1-n2 kernel: [ 4006.829558] CPU 1 >> cl1-n2 kernel: [ 4006.829611] Modules linked in: ocfs2 jbd2 quota_tree tun >> xt_tcpudp iptable_filter hmac sha1_generic ocfs2_dlmfs ocfs2_stack_o2cb >> ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue iptable_nat nf_nat configfs >> nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables nfsd >> exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc ext2 coretemp drbd >> lru_cache cn loop hed tpm_tis snd_pcm snd_timer snd soundcore psmouse >> snd_page_alloc processor tpm pcspkr evdev joydev tpm_bios dcdbas serio_raw >> i5k_amb button rng_core shpchp pci_hotplug i5000_edac edac_core ext3 jbd >> mbcache dm_mirror dm_region_hash dm_log dm_snapshot dm_mod usbhid hid sg >> sr_mod cdrom ata_generic sd_mod ses crc_t10dif enclosure ata_piix ehci_hcd >> uhci_hcd usbcore bnx2 libata nls_base megaraid_sas scsi_mod e1000e thermal >> fan thermal_sys [last unloaded: scsi_wait_scan] >> cl1-n2 kernel: [ 4006.833215] >> cl1-n2 kernel: [ 4006.833215] Pid: 7699, comm: apache2 Tainted: G D >> 2.6.35-trunk-amd64 #1 0H603H/PowerEdge 2950 >> cl1-n2 kernel: [ 4006.833215] RIP: 0010:[<ffffffff810e1886>] >> [<ffffffff810e1886>] __kmalloc+0xd3/0x136 >> cl1-n2 kernel: [ 4006.833215] RSP: 0018:ffff88012e277cd8 EFLAGS: 00010006 >> cl1-n2 kernel: [ 4006.833215] RAX: 0000000000000000 RBX: 6f635f6465727265 >> RCX: ffffffffa0686032 >> cl1-n2 kernel: [ 4006.833215] RDX: 0000000000000000 RSI: ffff88012e277da8 >> RDI: 0000000000000004 >> cl1-n2 kernel: [ 4006.833215] RBP: ffffffff81625520 R08: ffff880001a52510 >> R09: 0000000000000003 >> cl1-n2 kernel: [ 4006.833215] R10: ffff88009a561b40 R11: ffff88022d62f400 >> R12: 000000000000000b >> cl1-n2 kernel: [ 4006.833215] R13: 0000000000008050 R14: 0000000000008050 >> R15: 0000000000000246 >> cl1-n2 kernel: [ 4006.833215] FS: 00007f9199715740(0000) >> GS:ffff880001a40000(0000) knlGS:0000000000000000 >> cl1-n2 kernel: [ 4006.833215] CS: 0010 DS: 0000 ES: 0000 CR0: >> 000000008005003b >> cl1-n2 kernel: [ 4006.833215] CR2: 00000000402de9d0 CR3: 00000001372a1000 >> CR4: 00000000000406e0 >> cl1-n2 kernel: [ 4006.833215] DR0: 0000000000000000 DR1: 0000000000000000 >> DR2: 0000000000000000 >> cl1-n2 kernel: [ 4006.833215] DR3: 0000000000000000 DR6: 00000000ffff0ff0 >> DR7: 0000000000000400 >> cl1-n2 kernel: [ 4006.833215] Process apache2 (pid: 7699, threadinfo >> ffff88012e276000, task ffff88009a561b40) >> cl1-n2 kernel: [ 4006.833215] Stack: >> cl1-n2 kernel: [ 4006.833215] ffff8801b1af9c20 ffffffffa0686032 >> ffff8801b1a2da20 ffff88018f5f30c0 >> cl1-n2 kernel: [ 4006.833215]<0> ffff88012e277e88 000000000000000a >> ffff88018d105300 ffff88009a561b40 >> cl1-n2 kernel: [ 4006.833215]<0> ffff88012e277da8 ffffffffa0686032 >> ffff88012e277e88 ffff88012e277da8 >> cl1-n2 kernel: [ 4006.833215] Call Trace: >> cl1-n2 kernel: [ 4006.833215] [<ffffffffa0686032>] ? >> ocfs2_fast_follow_link+0x166/0x284 [ocfs2] >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f29fa>] ? >> do_follow_link+0xdb/0x24c >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f2d55>] ? >> link_path_walk+0x1ea/0x482 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f311f>] ? path_walk+0x63/0xd6 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f27ba>] ? path_init+0x46/0x1ab >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f3288>] ? >> do_path_lookup+0x20/0x85 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810f3cd9>] ? user_path_at+0x46/0x78 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff81038bac>] ? >> pick_next_task_fair+0xe6/0xf6 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff81305101>] ? schedule+0x4d4/0x530 >> cl1-n2 kernel: [ 4006.833215] [<ffffffff81060526>] ? prepare_creds+0x87/0x9c >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810e8649>] ? >> sys_faccessat+0x96/0x15b >> cl1-n2 kernel: [ 4006.833215] [<ffffffff810089c2>] ? >> system_call_fastpath+0x16/0x1b >> cl1-n2 kernel: [ 4006.833215] Code: 0f 1f 44 00 00 49 89 c7 fa 66 0f 1f 44 >> 00 00 65 4c 8b 04 25 b0 ea 00 00 48 8b 45 00 49 01 c0 49 8b 18 48 85 db 74 >> 0d 48 63 45 18<48> 8b 04 03 49 89 00 eb 11 83 ca ff 44 89 f6 48 89 ef e8 a1 >> f1 >> cl1-n2 kernel: [ 4006.833215] RIP [<ffffffff810e1886>] __kmalloc+0xd3/0x136 >> cl1-n2 kernel: [ 4006.833215] RSP<ffff88012e277cd8> >> cl1-n2 kernel: [ 4006.833215] ---[ end trace b1eead7c8752b710 ]— > > Interesting, this seems to unrelated to discontig bg. Please file a bug for > it.
Done. Bug #1292: <http://oss.oracle.com/bugzilla/show_bug.cgi?id=1292> >> This fault then repeats over and over again … >> Sometime the node seems to lock up completely; then Node 1 logs: >> >> cl1-n1 kernel: [ 7314.523473] block drbd0: peer( Primary -> Unknown ) conn( >> Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown ) >> cl1-n1 kernel: [ 7314.523485] block drbd0: asender terminated >> cl1-n1 kernel: [ 7314.523488] block drbd0: Terminating drbd0_asender >> cl1-n1 kernel: [ 7314.523495] block drbd0: short read receiving data: read >> 2960 expected 4096 >> cl1-n1 kernel: [ 7314.523502] block drbd0: Creating new current UUID >> cl1-n1 kernel: [ 7314.523509] block drbd0: error receiving Data, l: 4120! >> cl1-n1 kernel: [ 7314.523705] block drbd0: Connection closed >> cl1-n1 kernel: [ 7314.523710] block drbd0: conn( NetworkFailure -> >> Unconnected ) >> cl1-n1 kernel: [ 7314.523718] block drbd0: receiver terminated >> cl1-n1 kernel: [ 7314.523721] block drbd0: Restarting drbd0_receiver >> cl1-n1 kernel: [ 7314.523723] block drbd0: receiver (re)started >> cl1-n1 kernel: [ 7314.523730] block drbd0: conn( Unconnected -> >> WFConnection ) >> >> … which looks „fine“ because of the 1st node not responding any more. >> But then we get: >> >> cl1-n1 kernel: [ 7319.136065] o2net: connection to node cl1-n2 (num 1) at >> 10.0.1.2:6999 has been idle for 10.0 seconds, shutting it down. >> cl1-n1 kernel: [ 7319.136079] (swapper,0,0):o2net_idle_timer1O:ee n ee n >> ee n ee n ee n ee n ee n ee ee ee ee ee ee ee ee >> ee ee ee ee ee sending message 506 (key 0xf5dfae8c) to node 1 >> >> And endless messages like the following … >> >> cl1-n1 kernel: [ 7319.196135] >> (TunCtl,3278,6):dlm_send_remote_unlock_request:358 ERROR: Error -107 when >> sending message 506 (key 0xf5dfae8c) to node 1 >> cl1-n1 kernel: [ 7319.196192] >> (IPaddr2,3416,4):dlm_send_remote_unlock_request:358 ERROR: Error -107 when >> sending message 506 (key 0xf5dfae8c) to node 1 >> cl1-n1 kernel: [ 7319.196256] >> (IPaddr2,3282,1):dlm_send_remote_unlock_request:358 ERROR: Error -107 when >> sending message 506 (key 0xf5dfae8c) to node 1 >> cl1-n1 kernel: [ 7319.196373] >> (linux,3271,3):dlm_send_remote_unlock_request:358 ERROR: Error -107 when >> sending message 506 (key 0xf5dfae8c) to node 1 >> cl1-n1 kernel: [ 7319.196622] >> (apache2,5474,0):dlm_send_remote_unlock_request:358 ERROR: Error -107 when >> sending message 506 (key 0xf5dfae8c) to node 1 >> … >> … >> >> … until node 1 hangs forever, too. >> >> After rebooting both of the nodes, the cluster runs for some time … and >> errors out like above again. And again. And … :-/ >> >> Two other error messages observed while trying to mount the OCFS2 filesystem >> on one node (but we can’t reproduce any more): >> >> cl1-n2 kernel: [ 361.012172] INFO: task mount.ocfs2:4969 blocked for more >> than 120 seconds. >> cl1-n2 kernel: [ 361.012252] "echo 0> >> /proc/sys/kernel/hung_task_timeout_secs" disables this message. >> cl1-n2 kernel: [ 361.012343] mount.ocfs2 D 00000000ffff3314 0 4969 >> 1 0x00000000 >> cl1-n2 kernel: [ 361.012347] ffff88022c8c1b40 0000000000000082 >> ffff880200000000 ffff88022c133e90 >> cl1-n2 kernel: [ 361.012351] ffff88022ec751c0 00000000000154c0 >> 00000000000154c0 00000000000154c0 >> cl1-n2 kernel: [ 361.012354] ffff8802184b3fd8 00000000000154c0 >> ffff88022c8c1b40 ffff8802184b3fd8 >> cl1-n2 kernel: [ 361.012356] Call Trace: >> cl1-n2 kernel: [ 361.012365] [<ffffffff813054df>] ? >> schedule_timeout+0x2d/0xd7 >> cl1-n2 kernel: [ 361.012369] [<ffffffff81305354>] ? >> wait_for_common+0xd1/0x14e >> cl1-n2 kernel: [ 361.012374] [<ffffffff8103f630>] ? >> default_wake_function+0x0/0xf >> cl1-n2 kernel: [ 361.012394] [<ffffffffa05bc21f>] ? >> __ocfs2_cluster_lock+0x6e0/0x890 [ocfs2] >> cl1-n2 kernel: [ 361.012403] [<ffffffffa0551bb4>] ? >> dlm_register_domain+0x9e4/0xaf0 [ocfs2_dlm] >> cl1-n2 kernel: [ 361.012408] [<ffffffff81190a3e>] ? hweight_long+0x5/0x6 >> cl1-n2 kernel: [ 361.012420] [<ffffffffa05bd242>] ? T.775+0x18/0x1d [ocfs2] >> cl1-n2 kernel: [ 361.012432] [<ffffffffa05bd2f3>] ? >> ocfs2_super_lock+0xac/0x2bd [ocfs2] >> cl1-n2 kernel: [ 361.012443] [<ffffffffa05b4d3b>] ? >> ocfs2_is_hard_readonly+0x10/0x23 [ocfs2] >> cl1-n2 kernel: [ 361.012455] [<ffffffffa05bd2f3>] ? >> ocfs2_super_lock+0xac/0x2bd [ocfs2] >> cl1-n2 kernel: [ 361.012470] [<ffffffffa05f5d66>] ? >> ocfs2_fill_super+0x1227/0x2101 [ocfs2] >> cl1-n2 kernel: [ 361.012475] [<ffffffff8118e2f3>] ? snprintf+0x36/0x3b >> cl1-n2 kernel: [ 361.012478] [<ffffffff810eb86e>] ? get_sb_bdev+0x137/0x19a >> cl1-n2 kernel: [ 361.012492] [<ffffffffa05f4b3f>] ? >> ocfs2_fill_super+0x0/0x2101 [ocfs2] >> cl1-n2 kernel: [ 361.012495] [<ffffffff810eaf45>] ? >> vfs_kern_mount+0xa6/0x196 >> cl1-n2 kernel: [ 361.012498] [<ffffffff810eb094>] ? do_kern_mount+0x49/0xe7 >> cl1-n2 kernel: [ 361.012502] [<ffffffff810ff38b>] ? do_mount+0x75c/0x7d6 >> cl1-n2 kernel: [ 361.012506] [<ffffffff810d90ba>] ? >> alloc_pages_current+0x9f/0xc2 >> cl1-n2 kernel: [ 361.012508] [<ffffffff810ff48d>] ? sys_mount+0x88/0xc3 >> cl1-n2 kernel: [ 361.012513] [<ffffffff810089c2>] ? >> system_call_fastpath+0x16/0x1b >> >> cl1-n2 kernel: [ 361.012518] INFO: task mount.ocfs2:5481 blocked for more >> than 120 seconds. >> cl1-n2 kernel: [ 361.012588] "echo 0> >> /proc/sys/kernel/hung_task_timeout_secs" disables this message. >> cl1-n2 kernel: [ 361.012674] mount.ocfs2 D 00000000ffff63dd 0 5481 >> 1 0x00000000 >> cl1-n2 kernel: [ 361.012677] ffff88022c7a2210 0000000000000082 >> ffff88022c5ae2c8 ffffffff00000000 >> cl1-n2 kernel: [ 361.012680] ffff88022ec76d00 00000000000154c0 >> 00000000000154c0 00000000000154c0 >> cl1-n2 kernel: [ 361.012683] ffff880218485fd8 00000000000154c0 >> ffff88022c7a2210 ffff880218485fd8 >> cl1-n2 kernel: [ 361.012685] Call Trace: >> cl1-n2 kernel: [ 361.012691] [<ffffffff813063b5>] ? >> rwsem_down_failed_common+0x97/0xcb >> cl1-n2 kernel: [ 361.012694] [<ffffffff810ea58f>] ? test_bdev_super+0x0/0xd >> cl1-n2 kernel: [ 361.012697] [<ffffffff81306405>] ? >> rwsem_down_write_failed+0x1c/0x25 >> cl1-n2 kernel: [ 361.012700] [<ffffffff8118f2c3>] ? >> call_rwsem_down_write_failed+0x13/0x20 >> cl1-n2 kernel: [ 361.012703] [<ffffffff81305d2e>] ? down_write+0x25/0x27 >> cl1-n2 kernel: [ 361.012705] [<ffffffff810eb361>] ? sget+0x99/0x34d >> cl1-n2 kernel: [ 361.012708] [<ffffffff810ea565>] ? set_bdev_super+0x0/0x2a >> cl1-n2 kernel: [ 361.012710] [<ffffffff810eb7d5>] ? get_sb_bdev+0x9e/0x19a >> cl1-n2 kernel: [ 361.012724] [<ffffffffa05f4b3f>] ? >> ocfs2_fill_super+0x0/0x2101 [ocfs2] >> cl1-n2 kernel: [ 361.012727] [<ffffffff810eaf45>] ? >> vfs_kern_mount+0xa6/0x196 >> cl1-n2 kernel: [ 361.012730] [<ffffffff810eb094>] ? do_kern_mount+0x49/0xe7 >> cl1-n2 kernel: [ 361.012733] [<ffffffff810ff38b>] ? do_mount+0x75c/0x7d6 >> cl1-n2 kernel: [ 361.012735] [<ffffffff810d90ba>] ? >> alloc_pages_current+0x9f/0xc2 >> cl1-n2 kernel: [ 361.012738] [<ffffffff810ff48d>] ? sys_mount+0x88/0xc3 >> Do you have any comments to these errors and traces? Or anybody else? >> Is it possible for us to downgrade the kernel and ocfs2-tools after >> „tunefs.ocfs2 --fs-features=discontig-bg“? > > just use tunefs.ocfs2 --fs-features=nodiscontig-bg to disable it and you can > go back to the old kernel and use it. Ok, will try this most probably to get a stable system again. But then will will encounter the „no space left“ problem again. Hmpf :-( Thanks for your support! Alex _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com http://oss.oracle.com/mailman/listinfo/ocfs2-users
