core dump on ocfs2

Mon, 19 Jun 2017 10:36:18 -0700 


Hi everybody

 I'm finding on my server a lot of a lot of errors like this:
Jun 19 14:22:45 posta2 kernel: [885017.412902] BUG: soft lockup - CPU#2 stuck for 22s! [dovecot-lda:11955] Jun 19 14:22:45 posta2 kernel: [885017.412906] Modules linked in: ocfs2(E) jbd2 quota_tree dm_service_time dm_multipath ocfs2_dlmfs(E) ocfs2_stack_o2cb(E) ocfs2_dlm( E) ocfs2_nodemanager(E) ocfs2_stackglue(E) configfs cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf fuse nls_iso8859_1 nls_cp437 vfat fat loop shpchp iTCO_wdt bnx2 pci_hotplug rtc_cmos ipv6 ipv6_lib cdc_ether usbnet ioatdma dca sg tpm_tis i2c_i801 serio_raw mii i7core_edac edac_core pcspkr iTCO_vendor _support tpm mptctl tpm_bios button ext3 jbd mbcache dm_mirror dm_region_hash dm_log linear ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect i2c_core syscop yarea uhci_hcd ehci_hcd usbcore usb_common sd_mod crc_t10dif processor thermal_sys hwmon scsi_dh_emc scsi_dh_hp_sw scsi_dh_alua scsi_dh_rdac scsi_dh dm_snapshot dm_m 
 od mptsas mptscsih mptbase scsi_transport_sas scsi_mod
 Jun 19 14:22:45 posta2 kernel: [885017.412971] Supported: Yes
 Jun 19 14:22:45 posta2 kernel: [885017.412973] CPU 2
Jun 19 14:22:45 posta2 kernel: [885017.412975] Modules linked in: ocfs2(E) jbd2 quota_tree dm_service_time dm_multipath ocfs2_dlmfs(E) ocfs2_stack_o2cb(E) ocfs2_dlm( E) ocfs2_nodemanager(E) ocfs2_stackglue(E) configfs cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq mperf fuse nls_iso8859_1 nls_cp437 vfat fat loop shpchp iTCO_wdt bnx2 pci_hotplug rtc_cmos ipv6 ipv6_lib cdc_ether usbnet ioatdma dca sg tpm_tis i2c_i801 serio_raw mii i7core_edac edac_core pcspkr iTCO_vendor _support tpm mptctl tpm_bios button ext3 jbd mbcache dm_mirror dm_region_hash dm_log linear ttm drm_kms_helper drm i2c_algo_bit sysimgblt sysfillrect i2c_core syscop yarea uhci_hcd ehci_hcd usbcore usb_common sd_mod crc_t10dif processor thermal_sys hwmon scsi_dh_emc scsi_dh_hp_sw scsi_dh_alua scsi_dh_rdac scsi_dh dm_snapshot dm_m 
 od mptsas mptscsih mptbase scsi_transport_sas scsi_mod
 Jun 19 14:22:45 posta2 kernel: [885017.413027] Supported: Yes
 Jun 19 14:22:45 posta2 kernel: [885017.413029]
Jun 19 14:22:45 posta2 kernel: [885017.413032] Pid: 11955, comm: dovecot-lda Tainted: G E 3.0.101-0.46-default #1 IBM BladeCenter HS22 -[7870H5G]-/68Y813 
 8
Jun 19 14:22:45 posta2 kernel: [885017.413037] RIP: 0010:[<ffffffff81257b07>] [<ffffffff81257b07>] find_next_zero_bit+0x67/0xc0 Jun 19 14:22:45 posta2 kernel: [885017.413046] RSP: 0018:ffff88006cc855f0 EFLAGS: 00000287 Jun 19 14:22:45 posta2 kernel: [885017.413049] RAX: 0000000000006f30 RBX: ffffffff8118b348 RCX: 0000000000000010 Jun 19 14:22:45 posta2 kernel: [885017.413051] RDX: 0001000000000000 RSI: 0000000000006f30 RDI: 0000000000006f00 Jun 19 14:22:45 posta2 kernel: [885017.413054] RBP: 000000000000000f R08: 0000000000000f00 R09: ffff88006cc857e8 Jun 19 14:22:45 posta2 kernel: [885017.413057] R10: 000000000000000b R11: ffff88063c1fa678 R12: ffffffff8146d1ee Jun 19 14:22:45 posta2 kernel: [885017.413059] R13: 0000000000000000 R14: ffff880655a918c0 R15: 0000000001f9f800 Jun 19 14:22:45 posta2 kernel: [885017.413063] FS: 00007f7387952700(0000) GS:ffff88067f240000(0000) knlGS:0000000000000000 Jun 19 14:22:45 posta2 kernel: [885017.413066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 19 14:22:45 posta2 kernel: [885017.413068] CR2: 00007f7386fad9b0 CR3: 000000011f6cc000 CR4: 00000000000007e0 Jun 19 14:22:45 posta2 kernel: [885017.413071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 19 14:22:45 posta2 kernel: [885017.413074] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jun 19 14:22:45 posta2 kernel: [885017.413077] Process dovecot-lda (pid: 11955, threadinfo ffff88006cc84000, task ffff88003f3284c0) 
 Jun 19 14:22:45 posta2 kernel: [885017.413079] Stack:
Jun 19 14:22:45 posta2 kernel: [885017.413085] ffffffffa052f86e 0000000000000000 ffff88006cc857e8 00007e000000000b Jun 19 14:22:45 posta2 kernel: [885017.413090] 6843000000006a00 ffff88063c1fa67a 0000000000000000 000000001f400000 Jun 19 14:22:45 posta2 kernel: [885017.413095] 0000000000007e00 0000000000007e00 ffff880653aaccb8 ffff880656f7f000 
 Jun 19 14:22:45 posta2 kernel: [885017.413100] Call Trace:
Jun 19 14:22:45 posta2 kernel: [885017.413143] [<ffffffffa052f86e>] ocfs2_block_group_find_clear_bits+0x6e/0x180 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413224] [<ffffffffa052fa23>] ocfs2_cluster_group_search+0xa3/0x1f0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413297] [<ffffffffa0530369>] ocfs2_search_chain+0x139/0x730 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413367] [<ffffffffa0531ce8>] ocfs2_claim_suballoc_bits+0x398/0x520 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413447] [<ffffffffa0531f0f>] __ocfs2_claim_clusters+0x9f/0x340 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413519] [<ffffffffa050f8ff>] ocfs2_local_alloc_new_window+0x1cf/0x320 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413581] [<ffffffffa050fdd0>] ocfs2_local_alloc_slide_window+0x380/0x5e0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413642] [<fffffffbyefa05101d3>] ocfs2_reserve_local_alloc_bits+0x1a3/0x330 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413706] [<ffffffffa053396b>] ocfs2_reserve_clusters_with_limit+0xab/0x330 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413780] [<ffffffffa0534d15>] ocfs2_lock_allocators+0xc5/0x290 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413847] [<ffffffffa04e30fd>] ocfs2_write_begin_nolock+0x89d/0x11d0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413883] [<ffffffffa04e3b47>] ocfs2_write_begin+0x117/0x240 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413900] [<ffffffff810fa1a2>] generic_perform_write+0xc2/0x1c0 Jun 19 14:22:45 posta2 kernel: [885017.413907] [<ffffffff810fa301>] generic_file_buffered_write+0x61/0xa0 Jun 19 14:22:45 posta2 kernel: [885017.413936] [<ffffffffa050055f>] ocfs2_file_aio_write+0x92f/0x960 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.413966] [<ffffffff8115d478>] do_sync_write+0xc8/0x110 Jun 19 14:22:45 posta2 kernel: [885017.413972] [<ffffffff8115daae>] vfs_write+0xce/0x140 Jun 19 14:22:45 posta2 kernel: [885017.413977] [<ffffffff8115dc23>] sys_write+0x53/0xa0 Jun 19 14:22:45 posta2 kernel: [885017.413983] [<ffffffff8146c812>] system_call_fastpath+0x16/0x1b Jun 19 14:22:45 posta2 kernel: [885017.413992] [<00007f7386c54300>] 0x7f7386c542ff Jun 19 14:22:45 posta2 kernel: [885017.413994] Code: 3f 77 61 48 c7 c0 ff ff ff ff 44 89 c1 4a 8d 34 07 48 d3 e0 48 09 c2 48 83 fa ff 74 0b 48 f7 d2 48 0f bc c2 48 8 d 34 38 48 89 f0 <c3> 0f 1f 84 00 00 00 00 00 48 8b 10 48 83 fa ff 75 e0 48 83 c0 
 Jun 19 14:22:45 posta2 kernel: [885017.414037] Call Trace:
Jun 19 14:22:45 posta2 kernel: [885017.414070] [<ffffffffa052f86e>] ocfs2_block_group_find_clear_bits+0x6e/0x180 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414141] [<ffffffffa052fa23>] ocfs2_cluster_group_search+0xa3/0x1f0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414213] [<ffffffffa0530369>] ocfs2_search_chain+0x139/0x730 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414286] [<ffffffffa0531ce8>] ocfs2_claim_suballoc_bits+0x398/0x520 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414359] [<ffffffffa0531f0f>] __ocfs2_claim_clusters+0x9f/0x340 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414359] [<ffffffffa0531f0f>] __ocfs2_claim_clusters+0x9f/0x340 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414430] [<ffffffffa050f8ff>] ocfs2_local_alloc_new_window+0x1cf/0x320 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414492] [<ffffffffa050fdd0>] ocfs2_local_alloc_slide_window+0x380/0x5e0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414553] [<ffffffffa05101d3>] ocfs2_reserve_local_alloc_bits+0x1a3/0x330 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414617] [<ffffffffa053396b>] ocfs2_reserve_clusters_with_limit+0xab/0x330 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414691] [<ffffffffa0534d15>] ocfs2_lock_allocators+0xc5/0x290 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414758] [<ffffffffa04e30fd>] ocfs2_write_begin_nolock+0x89d/0x11d0 [ocfs2] Jun 19 14:22:45 posta2 kernel: [885017.414793] [<ffffffffa04e3b47>] ocfs2_write_begin+0x117/0x240 [ocfs2] Jun 19 14:22:46 posta2 kernel: [885017.414809] [<ffffffff810fa1a2>] generic_perform_write+0xc2/0x1c0 Jun 19 14:22:46 posta2 kernel: [885017.414815] [<ffffffff810fa301>] generic_file_buffered_write+0x61/0xa0 Jun 19 14:22:46 posta2 kernel: [885017.414844] [<ffffffffa050055f>] ocfs2_file_aio_write+0x92f/0x960 [ocfs2] Jun 19 14:22:46 posta2 kernel: [885017.414872] [<ffffffff8115d478>] do_sync_write+0xc8/0x110 Jun 19 14:22:46 posta2 kernel: [885017.414878] [<ffffffff8115daae>] vfs_write+0xce/0x140 Jun 19 14:22:46 posta2 kernel: [885017.414883] [<ffffffff8115dc23>] sys_write+0x53/0xa0 Jun 19 14:22:46 posta2 kernel: [885017.414888] [<ffffffff8146c812>] system_call_fastpath+0x16/0x1b Jun 19 14:22:46 posta2 kernel: [885017.414895] [<00007f7386c54300>] 0x7f7386c542ff 

 The machine is a SUSE Linux Enterprise Server 11 SP 3

posta2:/var/core # dovecot -n
 # 2.2.30.2 (c0c463e): /usr/local/etc/dovecot/dovecot.conf
 # Pigeonhole version 0.4.18 (29cc74d)
# OS: Linux 3.0.101-0.46-default x86_64 SUSE Linux Enterprise Server 11 (x86_64) 
 auth_mechanisms = plain login
 auth_username_format = %Ln
 auth_verbose = yes
 default_internal_user = vmail
 default_login_user = nobody
 disable_plaintext_auth = no
 first_valid_uid = 100
 hostname = mail.xxxx.it
 lda_mailbox_autocreate = yes
 lda_mailbox_autosubscribe = yes
 mail_debug = yes
 mail_gid = 100
 mail_location = maildir:%h
 mail_plugins = " quota"
 mail_uid = 1002
 managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext spamtest spamtestplus 
 passdb {
   args = /usr/local/etc/dovecot/dovecot-people-ldap.conf.ext
   driver = ldap
 }
 plugin {
   last_login_dict = redis:host=127.0.0.1:port=6379
mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename 
   mail_log_fields = uid box msgid size
   quota = maildir:User quota
   quota_warning = storage=95%% quota-warning 95 %u
   quota_warning2 = storage=80%% quota-warning 80 %u
   sieve = file:~/sieve;active=~/.dovecot.sieve
   sieve_before = /usr/local/etc/dovecot/sieve/
   sieve_dir = ~/.sieve
sieve_extensions = +spamtest +spamtestplus +relational +comparator-i;ascii-numeric 
 }
 postmaster_address = [email protected]
 protocols = imap pop3 lmtp sieve
 service auth {
   unix_listener /var/spool/postfix/private/auth {
     group = postfix
     mode = 0666
     user = postfix
   }
 }
 service imap-login {
   inet_listener imap {
     port = 143
   }
   inet_listener imaps {
     port = 993
     ssl = yes
   }
   service_count = 0
   vsz_limit = 256 M
 }
 service managesieve-login {
   inet_listener sieve {
     port = 4190
   }
   service_count = 1
   vsz_limit = 64 M
 }
 service pop3-login {
   inet_listener pop3 {
     port = 110
   }
   inet_listener pop3s {
     port = 995
     ssl = yes
   }
   service_count = 0
   vsz_limit = 256 M
 }
 service quota-status {
   client_limit = 1
   executable = quota-status -p postfix
   inet_listener {
     port = 12340
   }
 }
 service quota-warning {
   executable = script /usr/local/bin/quota-warning.sh
   unix_listener quota-warning {
     user = vmail
   }
   user = vmail
 }
 ssl_ca = </etc/postfix/ssl/chain-8204-mail.uniparthenope.it.pem
 ssl_cert = </etc/postfix/ssl/cert-8204-mail.uniparthenope.it.pem
 ssl_key =  # hidden, use -P to show it
 submission_host = 127.0.0.1
 userdb {
   args = /usr/local/etc/dovecot/dovecot-people-ldap.conf.ext
   driver = ldap
 }
 protocol lmtp {
   mail_plugins = " quota"
 }
 protocol lda {
   mail_plugins = " quota quota sieve"
 }
 protocol imap {
   imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags
   mail_max_userip_connections = 100
   mail_plugins = " quota imap_quota last_login"
 }
 protocol pop3 {
   mail_max_userip_connections = 100
   mail_plugins = " quota last_login"
   pop3_logout_format = top=%t/posta2:/var/core #  dovecot --version
 2.2.30.2 (c0c463e)
 %p, retr=%r/%b, del=%d/%m, size=%s, %u
   pop3_save_uidl = no
   pop3_uidl_format = %08Xu%08Xv
 }

 I've upgraded dovecot from 2.2.18 to 2.2.30.2 but errors are still present

posta2:/var/core #  dovecot --version
 2.2.30.2 (c0c463e)bye
Errors appear only with dovecot-lda process so I tend to exsclude disks or ocfs failure 

 Is there someone who can help me?

 Best regards

 Thanks
--
Dott. Antonello Cioffi
Ufficio Servizi Informatici
Università degli Studi di Napoli Parthenope
Tel. 081/5475292 - Fax. 081/5475180

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