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[Bug 1353730] Re: nfs4 daemon crashes, eventually PC locks up

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apport information

** Tags added: apport-collected trusty

** Description changed:

  Aug  7 01:05:46 mike kernel: [60329.252525] PGD 5b4ac067 PUD 5b4ad067 PMD 0 
  Aug  7 01:05:46 mike kernel: [60329.252532] Oops: 0000 [#1] SMP 
  Aug  7 01:05:46 mike kernel: [60329.252538] Modules linked in: rfcomm bnep bluetooth nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder fc0012 rtl2832 dvb_usb_rtl28xxu rtl2830 dvb_usb_v2 dvb_core rc_core nvidia(POF) snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event serio_raw snd_rawmidi k8temp edac_core edac_mce_amd snd_seq snd_seq_device usblp snd_timer snd soundcore i2c_nforce2 mac_hid parport_pc ppdev lp parport zfs(POF) zunicode(POF) zavl(POF) zcommon(POF) znvpair(POF) spl(OF) hid_generic usbhid pata_acpi hid firewire_ohci firewire_core psmouse e100 forcedeth mii crc_itu_t sata_nv pata_amd
  Aug  7 01:05:46 mike kernel: [60329.252626] CPU: 0 PID: 2099 Comm: nfsd Tainted: PF          O 3.13.0-32-generic #57-Ubuntu
  Aug  7 01:05:46 mike kernel: [60329.252632] Hardware name:    /GA-K8N Pro-SLI, BIOS F4 07/16/2005
  Aug  7 01:05:46 mike kernel: [60329.252638] task: ffff880060f5c7d0 ti: ffff88005b42e000 task.ti: ffff88005b42e000
  Aug  7 01:05:46 mike kernel: [60329.252642] RIP: 0010:[<ffffffffa0fbb06b>]  [<ffffffffa0fbb06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252660] RSP: 0018:ffff88005b42fcf8  EFLAGS: 00010246
  Aug  7 01:05:46 mike kernel: [60329.252664] RAX: 0000000000000000 RBX: ffff88002e9f3d80 RCX: 00000000008036d0
  Aug  7 01:05:46 mike kernel: [60329.252668] RDX: ffffffffa0fe86e7 RSI: 0000000000000000 RDI: ffff88002e9f3d80
  Aug  7 01:05:46 mike kernel: [60329.252672] RBP: ffff88005b42fd20 R08: 00000000000171e0 R09: ffff88007fc171e0
  Aug  7 01:05:46 mike kernel: [60329.252676] R10: ffffea0000282500 R11: ffffffffa0fbb0c7 R12: 0000000000000000
  Aug  7 01:05:46 mike kernel: [60329.252680] R13: ffff88002e9f3d80 R14: ffffffffa0fe86e7 R15: 0000000000000660
  Aug  7 01:05:46 mike kernel: [60329.252685] FS:  00007f62c5fb5780(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
  Aug  7 01:05:46 mike kernel: [60329.252689] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Aug  7 01:05:46 mike kernel: [60329.252693] CR2: 0000000000000010 CR3: 000000005b4ab000 CR4: 00000000000007f0
  Aug  7 01:05:46 mike kernel: [60329.252697] Stack:
  Aug  7 01:05:46 mike kernel: [60329.252700]  ffff88002e9f3d80 ffff88000a094940 ffff88005c2540b0 ffff880060fe0000
  Aug  7 01:05:46 mike kernel: [60329.252707]  0000000000000660 ffff88005b42fd60 ffffffffa0fbb492 ffff880060fe0000
  Aug  7 01:05:46 mike kernel: [60329.252714]  ffff88000a094900 0000000000000000 ffff880060fe8040 ffff8800667ee240
  Aug  7 01:05:46 mike kernel: [60329.252720] Call Trace:
  Aug  7 01:05:46 mike kernel: [60329.252740]  [<ffffffffa0fbb492>] nfsd4_set_nfs4_acl+0x122/0x130 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252759]  [<ffffffffa0fc8f5d>] nfsd4_setattr+0x10d/0x1a0 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252777]  [<ffffffffa0fca5ca>] nfsd4_proc_compound+0x56a/0x7c0 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252792]  [<ffffffffa0fb6d2b>] nfsd_dispatch+0xbb/0x200 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252838]  [<ffffffffa0f1162d>] svc_process_common+0x46d/0x6d0 [sunrpc]
  Aug  7 01:05:46 mike kernel: [60329.252864]  [<ffffffffa0f11997>] svc_process+0x107/0x170 [sunrpc]
  Aug  7 01:05:46 mike kernel: [60329.252879]  [<ffffffffa0fb671f>] nfsd+0xbf/0x130 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252894]  [<ffffffffa0fb6660>] ? nfsd_destroy+0x80/0x80 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252904]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Aug  7 01:05:46 mike kernel: [60329.252911]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 01:05:46 mike kernel: [60329.252922]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Aug  7 01:05:46 mike kernel: [60329.252928]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 01:05:46 mike kernel: [60329.252932] Code: eb e6 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 <48> 63 46 10 be d0 00 00 00 4c 8d 3c c5 04 00 00 00 4c 89 ff e8 
  Aug  7 01:05:46 mike kernel: [60329.253003]  RSP <ffff88005b42fcf8>
  Aug  7 01:05:46 mike kernel: [60329.253006] CR2: 0000000000000010
  Aug  7 01:05:46 mike kernel: [60329.253012] ---[ end trace 737bd44e2270bead ]---
  
  
  
  
  and
  
  
  
  
  Aug  7 03:00:10 mike kernel: [67193.680580] PGD 36391067 PUD 36392067 PMD 0 
  Aug  7 03:00:10 mike kernel: [67193.680588] Oops: 0000 [#2] SMP 
  Aug  7 03:00:10 mike kernel: [67193.680594] Modules linked in: rfcomm bnep bluetooth nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder fc0012 rtl2832 dvb_usb_rtl28xxu rtl2830 dvb_usb_v2 dvb_core rc_core nvidia(POF) snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event serio_raw snd_rawmidi k8temp edac_core edac_mce_amd snd_seq snd_seq_device usblp snd_timer snd soundcore i2c_nforce2 mac_hid parport_pc ppdev lp parport zfs(POF) zunicode(POF) zavl(POF) zcommon(POF) znvpair(POF) spl(OF) hid_generic usbhid pata_acpi hid firewire_ohci firewire_core psmouse e100 forcedeth mii crc_itu_t sata_nv pata_amd
  Aug  7 03:00:10 mike kernel: [67193.680681] CPU: 0 PID: 2098 Comm: nfsd Tainted: PF     D    O 3.13.0-32-generic #57-Ubuntu
  Aug  7 03:00:10 mike kernel: [67193.680688] Hardware name:    /GA-K8N Pro-SLI, BIOS F4 07/16/2005
  Aug  7 03:00:10 mike kernel: [67193.680693] task: ffff880060f5afe0 ti: ffff880060fde000 task.ti: ffff880060fde000
  Aug  7 03:00:10 mike kernel: [67193.680697] RIP: 0010:[<ffffffffa0fbb06b>]  [<ffffffffa0fbb06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680715] RSP: 0018:ffff880060fdfcf8  EFLAGS: 00010246
  Aug  7 03:00:10 mike kernel: [67193.680719] RAX: 0000000000000000 RBX: ffff88004a9e0840 RCX: 00000000008c923e
  Aug  7 03:00:10 mike kernel: [67193.680723] RDX: ffffffffa0fe86e7 RSI: 0000000000000000 RDI: ffff88004a9e0840
  Aug  7 03:00:10 mike kernel: [67193.680727] RBP: ffff880060fdfd20 R08: 00000000000171e0 R09: ffff88007fc171e0
  Aug  7 03:00:10 mike kernel: [67193.680731] R10: ffffea0001eb8040 R11: ffffffffa0fbb0c7 R12: 0000000000000000
  Aug  7 03:00:10 mike kernel: [67193.680735] R13: ffff88004a9e0840 R14: ffffffffa0fe86e7 R15: 0000000000000660
  Aug  7 03:00:10 mike kernel: [67193.680740] FS:  00007f08bffff700(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
  Aug  7 03:00:10 mike kernel: [67193.680744] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Aug  7 03:00:10 mike kernel: [67193.680748] CR2: 0000000000000010 CR3: 0000000036390000 CR4: 00000000000007f0
  Aug  7 03:00:10 mike kernel: [67193.680752] Stack:
  Aug  7 03:00:10 mike kernel: [67193.680755]  ffff88004a9e0840 ffff88007ae019c0 ffff880006bf72a8 ffff880060eb6000
  Aug  7 03:00:10 mike kernel: [67193.680762]  0000000000000660 ffff880060fdfd60 ffffffffa0fbb492 ffff880060eb6000
  Aug  7 03:00:10 mike kernel: [67193.680768]  ffff88007ae01980 0000000000000000 ffff8800667e9040 ffff8800667eb240
  Aug  7 03:00:10 mike kernel: [67193.680775] Call Trace:
  Aug  7 03:00:10 mike kernel: [67193.680795]  [<ffffffffa0fbb492>] nfsd4_set_nfs4_acl+0x122/0x130 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680814]  [<ffffffffa0fc8f5d>] nfsd4_setattr+0x10d/0x1a0 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680832]  [<ffffffffa0fca5ca>] nfsd4_proc_compound+0x56a/0x7c0 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680847]  [<ffffffffa0fb6d2b>] nfsd_dispatch+0xbb/0x200 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680894]  [<ffffffffa0f1162d>] svc_process_common+0x46d/0x6d0 [sunrpc]
  Aug  7 03:00:10 mike kernel: [67193.680920]  [<ffffffffa0f11997>] svc_process+0x107/0x170 [sunrpc]
  Aug  7 03:00:10 mike kernel: [67193.680934]  [<ffffffffa0fb671f>] nfsd+0xbf/0x130 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680949]  [<ffffffffa0fb6660>] ? nfsd_destroy+0x80/0x80 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680959]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Aug  7 03:00:10 mike kernel: [67193.680966]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 03:00:10 mike kernel: [67193.680977]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Aug  7 03:00:10 mike kernel: [67193.680983]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 03:00:10 mike kernel: [67193.680987] Code: eb e6 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 <48> 63 46 10 be d0 00 00 00 4c 8d 3c c5 04 00 00 00 4c 89 ff e8 
  Aug  7 03:00:10 mike kernel: [67193.681058]  RSP <ffff880060fdfcf8>
  Aug  7 03:00:10 mike kernel: [67193.681061] CR2: 0000000000000010
  Aug  7 03:00:10 mike kernel: [67193.681067] ---[ end trace 737bd44e2270beae ]---
  
  
  After this sequence, the server will lockup solid, and even REISUB will
  not reset it, it requires either hardware reset or power cycle.
  
  It happens about 3 times a week (it has a function as file server for
  other linux machines), and only started happening after upgrade from
  saucy to trusty.
  
  Hardware has been tested, with no obvious errors.
+ --- 
+ ApportVersion: 2.14.1-0ubuntu3.5
+ Architecture: amd64
+ AudioDevicesInUse:
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  kit284     2690 F.... pulseaudio
+  /dev/snd/controlC1:  kit284     2690 F.... pulseaudio
+ DistroRelease: Ubuntu 14.04
+ HibernationDevice: RESUME=UUID=8bc3362d-e136-453f-bb6c-284013a5dd11
+ InstallationDate: Installed on 2014-10-01 (23 days ago)
+ InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
+ MachineType: CLEVO D900K
+ NonfreeKernelModules: nvidia
+ Package: linux (not installed)
+ PccardctlIdent:
+  Socket 0:
+    no product info available
+ PccardctlStatus:
+  Socket 0:
+    no card
+ ProcEnviron:
+  LANGUAGE=en_AU:en
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=en_AU.UTF-8
+  SHELL=/bin/bash
+ ProcFB:
+  
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=7f8ca46f-0efa-4971-b7fc-9b787d5b660f ro quiet splash
+ ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
+ PulseList:
+  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
+  No PulseAudio daemon running, or not running as session daemon.
+ RelatedPackageVersions:
+  linux-restricted-modules-3.13.0-37-generic N/A
+  linux-backports-modules-3.13.0-37-generic  N/A
+  linux-firmware                             1.127.7
+ Tags:  trusty
+ Uname: Linux 3.13.0-37-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: fuse
+ _MarkForUpload: True
+ dmi.bios.date: 12/06/2005
+ dmi.bios.vendor: Phoenix
+ dmi.bios.version: 4.06CJ15
+ dmi.board.name: D900K
+ dmi.board.vendor: CLEVO
+ dmi.board.version: VT8341B
+ dmi.chassis.asset.tag: No Asset Tag
+ dmi.chassis.type: 1
+ dmi.chassis.vendor: No Enclosure
+ dmi.chassis.version: N/A
+ dmi.modalias: dmi:bvnPhoenix:bvr4.06CJ15:bd12/06/2005:svnCLEVO:pnD900K:pvrVT8341B:rvnCLEVO:rnD900K:rvrVT8341B:cvnNoEnclosure:ct1:cvrN/A:
+ dmi.product.name: D900K
+ dmi.product.version: VT8341B
+ dmi.sys.vendor: CLEVO

** Attachment added: "AlsaInfo.txt"
   https://bugs.launchpad.net/bugs/1353730/+attachment/4242934/+files/AlsaInfo.txt

-- 
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https://bugs.launchpad.net/bugs/1353730

Title:
  nfs4 daemon crashes, eventually PC locks up

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Aug  7 01:05:46 mike kernel: [60329.252525] PGD 5b4ac067 PUD 5b4ad067 PMD 0 
  Aug  7 01:05:46 mike kernel: [60329.252532] Oops: 0000 [#1] SMP 
  Aug  7 01:05:46 mike kernel: [60329.252538] Modules linked in: rfcomm bnep bluetooth nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder fc0012 rtl2832 dvb_usb_rtl28xxu rtl2830 dvb_usb_v2 dvb_core rc_core nvidia(POF) snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event serio_raw snd_rawmidi k8temp edac_core edac_mce_amd snd_seq snd_seq_device usblp snd_timer snd soundcore i2c_nforce2 mac_hid parport_pc ppdev lp parport zfs(POF) zunicode(POF) zavl(POF) zcommon(POF) znvpair(POF) spl(OF) hid_generic usbhid pata_acpi hid firewire_ohci firewire_core psmouse e100 forcedeth mii crc_itu_t sata_nv pata_amd
  Aug  7 01:05:46 mike kernel: [60329.252626] CPU: 0 PID: 2099 Comm: nfsd Tainted: PF          O 3.13.0-32-generic #57-Ubuntu
  Aug  7 01:05:46 mike kernel: [60329.252632] Hardware name:    /GA-K8N Pro-SLI, BIOS F4 07/16/2005
  Aug  7 01:05:46 mike kernel: [60329.252638] task: ffff880060f5c7d0 ti: ffff88005b42e000 task.ti: ffff88005b42e000
  Aug  7 01:05:46 mike kernel: [60329.252642] RIP: 0010:[<ffffffffa0fbb06b>]  [<ffffffffa0fbb06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252660] RSP: 0018:ffff88005b42fcf8  EFLAGS: 00010246
  Aug  7 01:05:46 mike kernel: [60329.252664] RAX: 0000000000000000 RBX: ffff88002e9f3d80 RCX: 00000000008036d0
  Aug  7 01:05:46 mike kernel: [60329.252668] RDX: ffffffffa0fe86e7 RSI: 0000000000000000 RDI: ffff88002e9f3d80
  Aug  7 01:05:46 mike kernel: [60329.252672] RBP: ffff88005b42fd20 R08: 00000000000171e0 R09: ffff88007fc171e0
  Aug  7 01:05:46 mike kernel: [60329.252676] R10: ffffea0000282500 R11: ffffffffa0fbb0c7 R12: 0000000000000000
  Aug  7 01:05:46 mike kernel: [60329.252680] R13: ffff88002e9f3d80 R14: ffffffffa0fe86e7 R15: 0000000000000660
  Aug  7 01:05:46 mike kernel: [60329.252685] FS:  00007f62c5fb5780(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
  Aug  7 01:05:46 mike kernel: [60329.252689] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Aug  7 01:05:46 mike kernel: [60329.252693] CR2: 0000000000000010 CR3: 000000005b4ab000 CR4: 00000000000007f0
  Aug  7 01:05:46 mike kernel: [60329.252697] Stack:
  Aug  7 01:05:46 mike kernel: [60329.252700]  ffff88002e9f3d80 ffff88000a094940 ffff88005c2540b0 ffff880060fe0000
  Aug  7 01:05:46 mike kernel: [60329.252707]  0000000000000660 ffff88005b42fd60 ffffffffa0fbb492 ffff880060fe0000
  Aug  7 01:05:46 mike kernel: [60329.252714]  ffff88000a094900 0000000000000000 ffff880060fe8040 ffff8800667ee240
  Aug  7 01:05:46 mike kernel: [60329.252720] Call Trace:
  Aug  7 01:05:46 mike kernel: [60329.252740]  [<ffffffffa0fbb492>] nfsd4_set_nfs4_acl+0x122/0x130 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252759]  [<ffffffffa0fc8f5d>] nfsd4_setattr+0x10d/0x1a0 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252777]  [<ffffffffa0fca5ca>] nfsd4_proc_compound+0x56a/0x7c0 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252792]  [<ffffffffa0fb6d2b>] nfsd_dispatch+0xbb/0x200 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252838]  [<ffffffffa0f1162d>] svc_process_common+0x46d/0x6d0 [sunrpc]
  Aug  7 01:05:46 mike kernel: [60329.252864]  [<ffffffffa0f11997>] svc_process+0x107/0x170 [sunrpc]
  Aug  7 01:05:46 mike kernel: [60329.252879]  [<ffffffffa0fb671f>] nfsd+0xbf/0x130 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252894]  [<ffffffffa0fb6660>] ? nfsd_destroy+0x80/0x80 [nfsd]
  Aug  7 01:05:46 mike kernel: [60329.252904]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Aug  7 01:05:46 mike kernel: [60329.252911]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 01:05:46 mike kernel: [60329.252922]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Aug  7 01:05:46 mike kernel: [60329.252928]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 01:05:46 mike kernel: [60329.252932] Code: eb e6 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 <48> 63 46 10 be d0 00 00 00 4c 8d 3c c5 04 00 00 00 4c 89 ff e8 
  Aug  7 01:05:46 mike kernel: [60329.253003]  RSP <ffff88005b42fcf8>
  Aug  7 01:05:46 mike kernel: [60329.253006] CR2: 0000000000000010
  Aug  7 01:05:46 mike kernel: [60329.253012] ---[ end trace 737bd44e2270bead ]---




  and




  Aug  7 03:00:10 mike kernel: [67193.680580] PGD 36391067 PUD 36392067 PMD 0 
  Aug  7 03:00:10 mike kernel: [67193.680588] Oops: 0000 [#2] SMP 
  Aug  7 03:00:10 mike kernel: [67193.680594] Modules linked in: rfcomm bnep bluetooth nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder ir_jvc_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder fc0012 rtl2832 dvb_usb_rtl28xxu rtl2830 dvb_usb_v2 dvb_core rc_core nvidia(POF) snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event serio_raw snd_rawmidi k8temp edac_core edac_mce_amd snd_seq snd_seq_device usblp snd_timer snd soundcore i2c_nforce2 mac_hid parport_pc ppdev lp parport zfs(POF) zunicode(POF) zavl(POF) zcommon(POF) znvpair(POF) spl(OF) hid_generic usbhid pata_acpi hid firewire_ohci firewire_core psmouse e100 forcedeth mii crc_itu_t sata_nv pata_amd
  Aug  7 03:00:10 mike kernel: [67193.680681] CPU: 0 PID: 2098 Comm: nfsd Tainted: PF     D    O 3.13.0-32-generic #57-Ubuntu
  Aug  7 03:00:10 mike kernel: [67193.680688] Hardware name:    /GA-K8N Pro-SLI, BIOS F4 07/16/2005
  Aug  7 03:00:10 mike kernel: [67193.680693] task: ffff880060f5afe0 ti: ffff880060fde000 task.ti: ffff880060fde000
  Aug  7 03:00:10 mike kernel: [67193.680697] RIP: 0010:[<ffffffffa0fbb06b>]  [<ffffffffa0fbb06b>] set_nfsv4_acl_one+0x1b/0x90 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680715] RSP: 0018:ffff880060fdfcf8  EFLAGS: 00010246
  Aug  7 03:00:10 mike kernel: [67193.680719] RAX: 0000000000000000 RBX: ffff88004a9e0840 RCX: 00000000008c923e
  Aug  7 03:00:10 mike kernel: [67193.680723] RDX: ffffffffa0fe86e7 RSI: 0000000000000000 RDI: ffff88004a9e0840
  Aug  7 03:00:10 mike kernel: [67193.680727] RBP: ffff880060fdfd20 R08: 00000000000171e0 R09: ffff88007fc171e0
  Aug  7 03:00:10 mike kernel: [67193.680731] R10: ffffea0001eb8040 R11: ffffffffa0fbb0c7 R12: 0000000000000000
  Aug  7 03:00:10 mike kernel: [67193.680735] R13: ffff88004a9e0840 R14: ffffffffa0fe86e7 R15: 0000000000000660
  Aug  7 03:00:10 mike kernel: [67193.680740] FS:  00007f08bffff700(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
  Aug  7 03:00:10 mike kernel: [67193.680744] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  Aug  7 03:00:10 mike kernel: [67193.680748] CR2: 0000000000000010 CR3: 0000000036390000 CR4: 00000000000007f0
  Aug  7 03:00:10 mike kernel: [67193.680752] Stack:
  Aug  7 03:00:10 mike kernel: [67193.680755]  ffff88004a9e0840 ffff88007ae019c0 ffff880006bf72a8 ffff880060eb6000
  Aug  7 03:00:10 mike kernel: [67193.680762]  0000000000000660 ffff880060fdfd60 ffffffffa0fbb492 ffff880060eb6000
  Aug  7 03:00:10 mike kernel: [67193.680768]  ffff88007ae01980 0000000000000000 ffff8800667e9040 ffff8800667eb240
  Aug  7 03:00:10 mike kernel: [67193.680775] Call Trace:
  Aug  7 03:00:10 mike kernel: [67193.680795]  [<ffffffffa0fbb492>] nfsd4_set_nfs4_acl+0x122/0x130 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680814]  [<ffffffffa0fc8f5d>] nfsd4_setattr+0x10d/0x1a0 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680832]  [<ffffffffa0fca5ca>] nfsd4_proc_compound+0x56a/0x7c0 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680847]  [<ffffffffa0fb6d2b>] nfsd_dispatch+0xbb/0x200 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680894]  [<ffffffffa0f1162d>] svc_process_common+0x46d/0x6d0 [sunrpc]
  Aug  7 03:00:10 mike kernel: [67193.680920]  [<ffffffffa0f11997>] svc_process+0x107/0x170 [sunrpc]
  Aug  7 03:00:10 mike kernel: [67193.680934]  [<ffffffffa0fb671f>] nfsd+0xbf/0x130 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680949]  [<ffffffffa0fb6660>] ? nfsd_destroy+0x80/0x80 [nfsd]
  Aug  7 03:00:10 mike kernel: [67193.680959]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  Aug  7 03:00:10 mike kernel: [67193.680966]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 03:00:10 mike kernel: [67193.680977]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  Aug  7 03:00:10 mike kernel: [67193.680983]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  Aug  7 03:00:10 mike kernel: [67193.680987] Code: eb e6 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90 55 48 89 e5 41 57 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 <48> 63 46 10 be d0 00 00 00 4c 8d 3c c5 04 00 00 00 4c 89 ff e8 
  Aug  7 03:00:10 mike kernel: [67193.681058]  RSP <ffff880060fdfcf8>
  Aug  7 03:00:10 mike kernel: [67193.681061] CR2: 0000000000000010
  Aug  7 03:00:10 mike kernel: [67193.681067] ---[ end trace 737bd44e2270beae ]---


  After this sequence, the server will lockup solid, and even REISUB
  will not reset it, it requires either hardware reset or power cycle.

  It happens about 3 times a week (it has a function as file server for
  other linux machines), and only started happening after upgrade from
  saucy to trusty.

  Hardware has been tested, with no obvious errors.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  kit284     2690 F.... pulseaudio
   /dev/snd/controlC1:  kit284     2690 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=8bc3362d-e136-453f-bb6c-284013a5dd11
  InstallationDate: Installed on 2014-10-01 (23 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: CLEVO D900K
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=UUID=7f8ca46f-0efa-4971-b7fc-9b787d5b660f ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-37-generic N/A
   linux-backports-modules-3.13.0-37-generic  N/A
   linux-firmware                             1.127.7
  Tags:  trusty
  Uname: Linux 3.13.0-37-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: fuse
  _MarkForUpload: True
  dmi.bios.date: 12/06/2005
  dmi.bios.vendor: Phoenix
  dmi.bios.version: 4.06CJ15
  dmi.board.name: D900K
  dmi.board.vendor: CLEVO
  dmi.board.version: VT8341B
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 1
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenix:bvr4.06CJ15:bd12/06/2005:svnCLEVO:pnD900K:pvrVT8341B:rvnCLEVO:rnD900K:rvrVT8341B:cvnNoEnclosure:ct1:cvrN/A:
  dmi.product.name: D900K
  dmi.product.version: VT8341B
  dmi.sys.vendor: CLEVO

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