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I have a Installed Ubuntu server 12.04.1 LTS on a Hewlett-Packard Compaq 8200 Elite her specs are:

  • Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz
  • 8GB RAM DDR3 1333Mhz

this machine have a installed zimbra 8.0.0.GA.5434.UBUNTU12.64 UBUNTU12_64 FOSS edition.

on average every 2 days to the machine you get messages like

Nov 23 04:00:06 backup-xen kernel: [37356.110693] BUG: soft lockup - CPU#1 stuck for 22s! [zmconfigdctl:24549]
Nov 23 04:00:06 backup-xen kernel: [37356.110728] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ext2 snd_hda_codec_hdmi snd_hda_codec_realtek tpm_infineon usbhid hid ppdev hp_wmi sparse_keymap snd_hda_intel snd_hda_codec snd_hwdep snd_pcm parport_pc dm_multipath snd_seq_midi wmi psmouse tpm_tis mac_hid serio_raw snd_rawmidi snd_seq_midi_event snd_seq i915 snd_timer snd_seq_device drm_kms_helper snd drm i2c_algo_bit mei(C) video soundcore snd_page_alloc lp parport e1000e
Nov 23 04:00:06 backup-xen kernel: [37356.110767] CPU 1
Nov 23 04:00:06 backup-xen kernel: [37356.110768] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat ext2 snd_hda_codec_hdmi snd_hda_codec_realtek tpm_infineon usbhid hid ppdev hp_wmi sparse_keymap snd_hda_intel snd_hda_codec snd_hwdep snd_pcm parport_pc dm_multipath snd_seq_midi wmi psmouse tpm_tis mac_hid serio_raw snd_rawmidi snd_seq_midi_event snd_seq i915 snd_timer snd_seq_device drm_kms_helper snd drm i2c_algo_bit mei(C) video soundcore snd_page_alloc lp parport e1000e
Nov 23 04:00:06 backup-xen kernel: [37356.110783]
Nov 23 04:00:06 backup-xen kernel: [37356.110784] Pid: 24549, comm: zmconfigdctl Tainted: G        WC   3.2.0-33-generic #52-Ubuntu Hewlett-Packard HP Compaq 8200 Elite SFF PC/1495
Nov 23 04:00:06 backup-xen kernel: [37356.110787] RIP: 0010:[<ffffffff8103dc62>]  [<ffffffff8103dc62>] __ticket_spin_lock+0x22/0x30
Nov 23 04:00:06 backup-xen kernel: [37356.110791] RSP: 0018:ffff88010ec03c58  EFLAGS: 00000293
Nov 23 04:00:06 backup-xen kernel: [37356.110792] RAX: 0000000000008801 RBX: 3736392e39333835 RCX: ffff88010ec03fd8
Nov 23 04:00:06 backup-xen kernel: [37356.110794] RDX: 000000000000ffff RSI: ffff8801f9d3c738 RDI: ffff8801f9d3c724
Nov 23 04:00:06 backup-xen kernel: [37356.110795] RBP: ffff88010ec03c58 R08: 000000000000000a R09: 0000000000000000
Nov 23 04:00:06 backup-xen kernel: [37356.110796] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88010ec03bdd
Nov 23 04:00:06 backup-xen kernel: [37356.110798] R13: 0000000f00000001 R14: 0000000000000246 R15: ffff88010ec03bdc
Nov 23 04:00:06 backup-xen kernel: [37356.110799] FS:  0000000000000000(0000) GS:ffff88022e280000(0000) knlGS:0000000000000000
Nov 23 04:00:06 backup-xen kernel: [37356.110800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Nov 23 04:00:06 backup-xen kernel: [37356.110802] CR2: 00007f6eb61a2f50 CR3: 00000001fa7e7000 CR4: 00000000000406e0
Nov 23 04:00:06 backup-xen kernel: [37356.110803] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Nov 23 04:00:06 backup-xen kernel: [37356.110804] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Nov 23 04:00:06 backup-xen kernel: [37356.110813] Process zmconfigdctl (pid: 24549, threadinfo ffff88010ec02000, task ffff8801fa5b1700)
Nov 23 04:00:06 backup-xen kernel: [37356.110814] Stack:
Nov 23 04:00:06 backup-xen kernel: [37356.110831]  ffff88010ec03c68 ffffffff8165b00e ffff88010ec03cd8 ffffffff81659ec6
Nov 23 04:00:06 backup-xen kernel: [37356.110836]  0000000000000000 0000000000000001 000000000000000a 0000000000000000
Nov 23 04:00:06 backup-xen kernel: [37356.110840]  ffff88010ec03ca8 0000000000000009 ffff88010ec03ce8 ffff8801f9d3c720
Nov 23 04:00:06 backup-xen kernel: [37356.110845] Call Trace:
Nov 23 04:00:06 backup-xen kernel: [37356.110861]  [<ffffffff8165b00e>] _raw_spin_lock+0xe/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.110864]  [<ffffffff81659ec6>] __mutex_lock_slowpath+0x96/0x150
Nov 23 04:00:06 backup-xen kernel: [37356.110868]  [<ffffffff81659b1a>] mutex_lock+0x2a/0x50
Nov 23 04:00:06 backup-xen kernel: [37356.110873]  [<ffffffff81148470>] unlink_anon_vmas+0x70/0x1d0
Nov 23 04:00:06 backup-xen kernel: [37356.110877]  [<ffffffff8113af4c>] free_pgtables+0xac/0x120
Nov 23 04:00:06 backup-xen kernel: [37356.110882]  [<ffffffff81144536>] exit_mmap+0xc6/0x140
Nov 23 04:00:06 backup-xen kernel: [37356.110886]  [<ffffffff81064bd2>] mmput.part.16+0x42/0x130
Nov 23 04:00:06 backup-xen kernel: [37356.110890]  [<ffffffff81064ce9>] mmput+0x29/0x30
Nov 23 04:00:06 backup-xen kernel: [37356.110894]  [<ffffffff8106b643>] exit_mm+0x113/0x130
Nov 23 04:00:06 backup-xen kernel: [37356.110898]  [<ffffffff810e40c5>] ? taskstats_exit+0x45/0x240
Nov 23 04:00:06 backup-xen kernel: [37356.110902]  [<ffffffff8165b2f5>] ? _raw_spin_lock_irq+0x15/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.110906]  [<ffffffff8106b7ce>] do_exit+0x16e/0x450
Nov 23 04:00:06 backup-xen kernel: [37356.110910]  [<ffffffff8106bc54>] do_group_exit+0x44/0xa0
Nov 23 04:00:06 backup-xen kernel: [37356.110914]  [<ffffffff8106bcc7>] sys_exit_group+0x17/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.110918]  [<ffffffff81663602>] system_call_fastpath+0x16/0x1b
Nov 23 04:00:06 backup-xen kernel: [37356.110921] Code: 90 90 90 90 90 90 90 90 90 55 b8 00 00 01 00 48 89 e5 f0 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 13 66 0f 1f 84 00 00 00 00 00 f3 90 <0f> b7 07 66 39 d0 75 f6 5d c3 0f 1f 40 00 8b 17 55 31 c0 48 89
Nov 23 04:00:06 backup-xen kernel: [37356.111087] Call Trace:
Nov 23 04:00:06 backup-xen kernel: [37356.111090]  [<ffffffff8165b00e>] _raw_spin_lock+0xe/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.111093]  [<ffffffff81659ec6>] __mutex_lock_slowpath+0x96/0x150
Nov 23 04:00:06 backup-xen kernel: [37356.111097]  [<ffffffff81659b1a>] mutex_lock+0x2a/0x50
Nov 23 04:00:06 backup-xen kernel: [37356.111101]  [<ffffffff81148470>] unlink_anon_vmas+0x70/0x1d0
Nov 23 04:00:06 backup-xen kernel: [37356.111104]  [<ffffffff8113af4c>] free_pgtables+0xac/0x120
Nov 23 04:00:06 backup-xen kernel: [37356.111109]  [<ffffffff81144536>] exit_mmap+0xc6/0x140
Nov 23 04:00:06 backup-xen kernel: [37356.111112]  [<ffffffff81064bd2>] mmput.part.16+0x42/0x130
Nov 23 04:00:06 backup-xen kernel: [37356.111115]  [<ffffffff81064ce9>] mmput+0x29/0x30
Nov 23 04:00:06 backup-xen kernel: [37356.111119]  [<ffffffff8106b643>] exit_mm+0x113/0x130
Nov 23 04:00:06 backup-xen kernel: [37356.111123]  [<ffffffff810e40c5>] ? taskstats_exit+0x45/0x240
Nov 23 04:00:06 backup-xen kernel: [37356.111126]  [<ffffffff8165b2f5>] ? _raw_spin_lock_irq+0x15/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.111130]  [<ffffffff8106b7ce>] do_exit+0x16e/0x450
Nov 23 04:00:06 backup-xen kernel: [37356.111134]  [<ffffffff8106bc54>] do_group_exit+0x44/0xa0
Nov 23 04:00:06 backup-xen kernel: [37356.111138]  [<ffffffff8106bcc7>] sys_exit_group+0x17/0x20
Nov 23 04:00:06 backup-xen kernel: [37356.111142]  [<ffffffff81663602>] system_call_fastpath+0x16/0x1b

After a number of similar messages the machine regularly ends in a kernel panic or just freezes.

truth is not to do, something similar happens when I use another machine identical when using virtualbox.

What is the reason for this behavior?

share|improve this question

closed as off topic by Jorge Castro, Mik, Ringtail, hhlp, Stephen Myall Nov 23 '12 at 21:30

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. –  Jorge Castro Nov 23 '12 at 17:44
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