Jul 26 17:58:49 box05 kernel: [  386.478826] BUG: Dentry ffff880209bb03c0{i=174,n=} still in use (1) [unmount of nfs 0:1f]
Jul 26 17:58:49 box05 kernel: [  386.478849] ------------[ cut here ]------------
Jul 26 17:58:49 box05 kernel: [  386.478853] kernel BUG at /build/buildd/linux-lts-backport-natty-2.6.38/fs/dcache.c:947!
Jul 26 17:58:49 box05 kernel: [  386.478859] invalid opcode: 0000 [#1] SMP 
Jul 26 17:58:49 box05 kernel: [  386.478864] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.4/0000:03:00.0/irq
Jul 26 17:58:49 box05 kernel: [  386.478869] CPU 1 
Jul 26 17:58:49 box05 kernel: [  386.478977] RIP: 0010:[<ffffffff8117a718>]  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 17:58:49 box05 kernel: [  386.478993] RSP: 0018:ffff8801f5341d28  EFLAGS: 00010296
Jul 26 17:58:49 box05 kernel: [  386.478999] RAX: 0000000000000063 RBX: ffff8801f89901c0 RCX: 000000000000001e
Jul 26 17:58:49 box05 kernel: [  386.479005] RDX: 0000000000000000 RSI: 0000000000000086 RDI: 0000000000000246
Jul 26 17:58:49 box05 kernel: [  386.479012] RBP: ffff8801f5341d68 R08: 00000000ffffffff R09: 0000000000000000
Jul 26 17:58:49 box05 kernel: [  386.479018] R10: 0000000000000000 R11: 0000000000000001 R12: ffff880209bb041c
Jul 26 17:58:49 box05 kernel: [  386.479024] R13: ffff880209bb03c0 R14: ffff880209bb0760 R15: ffff880209bb041c
Jul 26 17:58:49 box05 kernel: [  386.479032] FS:  00007fcbefadf700(0000) GS:ffff8800df240000(0000) knlGS:0000000000000000
Jul 26 17:58:49 box05 kernel: [  386.479039] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul 26 17:58:49 box05 kernel: [  386.479045] CR2: 00007fcbef663000 CR3: 00000001f5309000 CR4: 00000000000006e0
Jul 26 17:58:49 box05 kernel: [  386.479051] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 26 17:58:49 box05 kernel: [  386.479057] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 26 17:58:49 box05 kernel: [  386.479064] Process umount.nfs (pid: 2019, threadinfo ffff8801f5340000, task ffff8802095aadc0)
Jul 26 17:58:49 box05 kernel: [  386.479069] Stack:
Jul 26 17:58:49 box05 kernel: [  386.479072]  ffff8801f9ed0658 ffffffff8104c90c ffff8800df213cc0 ffff8801f9ed0400
Jul 26 17:58:49 box05 kernel: [  386.479081]  ffff880209bb0300 ffffffff81ac5960 ffff8801f9ed0400 ffff88020de13e40
Jul 26 17:58:49 box05 kernel: [  386.479090]  ffff8801f5341da8 ffffffff8117a793 ffff8801f5341e78 00000000f5341dd8
Jul 26 17:58:49 box05 kernel: [  386.479099] Call Trace:
Jul 26 17:58:49 box05 kernel: [  386.479109]  [<ffffffff8104c90c>] ? resched_task+0x2c/0x90
Jul 26 17:58:49 box05 kernel: [  386.479119]  [<ffffffff8117a793>] shrink_dcache_for_umount+0x73/0x80
Jul 26 17:58:49 box05 kernel: [  386.479129]  [<ffffffff8116603c>] generic_shutdown_super+0x2c/0x100
Jul 26 17:58:49 box05 kernel: [  386.479137]  [<ffffffff811661a6>] kill_anon_super+0x16/0x60
Jul 26 17:58:49 box05 kernel: [  386.479163]  [<ffffffffa0d25c35>] nfs_kill_super+0x25/0x40 [nfs]
Jul 26 17:58:49 box05 kernel: [  386.479172]  [<ffffffff81166925>] deactivate_locked_super+0x45/0x60
Jul 26 17:58:49 box05 kernel: [  386.479181]  [<ffffffff8116768a>] deactivate_super+0x4a/0x70
Jul 26 17:58:49 box05 kernel: [  386.479190]  [<ffffffff81181fd0>] mntput_no_expire+0x120/0x190
Jul 26 17:58:49 box05 kernel: [  386.479198]  [<ffffffff8118205d>] mntput+0x1d/0x30
Jul 26 17:58:49 box05 kernel: [  386.479205]  [<ffffffff811820e2>] release_mounts+0x72/0x90
Jul 26 17:58:49 box05 kernel: [  386.479213]  [<ffffffff81182556>] do_umount+0x206/0x330
Jul 26 17:58:49 box05 kernel: [  386.479220]  [<ffffffff81182743>] sys_umount+0xc3/0xd0
Jul 26 17:58:49 box05 kernel: [  386.479228]  [<ffffffff8100c042>] system_call_fastpath+0x16/0x1b
Jul 26 17:58:49 box05 kernel: [  386.479233] Code: 8b 0a 31 d2 48 85 db 74 07 48 8b 93 a8 00 00 00 48 05 58 02 00 00 4c 89 ee 48 c7 c7 38 76 7e 81 48 89 04 24 31 c0 e8 5f 7c 45 00 <0f> 0b eb fe 0f 0b eb fe 55 48 89 e5 41 54 53 48 83 ec 20 0f 1f 
Jul 26 17:58:49 box05 kernel: [  386.479285] RIP  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 17:58:49 box05 kernel: [  386.479292]  RSP <ffff8801f5341d28>
Jul 26 17:58:49 box05 kernel: [  386.479296] ---[ end trace 4ec17192123643e8 ]---
--
Jul 26 22:20:06 box05 kernel: [  642.495328] BUG: Dentry ffff8801e6500000{i=2,n=storage} still in use (1) [unmount of nfs 0:1f]
Jul 26 22:20:06 box05 kernel: [  642.495350] ------------[ cut here ]------------
Jul 26 22:20:06 box05 kernel: [  642.495356] kernel BUG at /build/buildd/linux-lts-backport-natty-2.6.38/fs/dcache.c:947!
Jul 26 22:20:06 box05 kernel: [  642.495361] invalid opcode: 0000 [#1] SMP 
Jul 26 22:20:06 box05 kernel: [  642.495367] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.7/0000:04:00.0/local_cpus
Jul 26 22:20:06 box05 kernel: [  642.495371] CPU 1 
Jul 26 22:20:06 box05 kernel: [  642.495479] RIP: 0010:[<ffffffff8117a718>]  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 22:20:06 box05 kernel: [  642.495495] RSP: 0018:ffff8801e3cd7d28  EFLAGS: 00010296
Jul 26 22:20:06 box05 kernel: [  642.495501] RAX: 0000000000000068 RBX: ffff8801e65681c0 RCX: 000000000000001e
Jul 26 22:20:06 box05 kernel: [  642.495507] RDX: 0000000000000000 RSI: 0000000000000086 RDI: 0000000000000246
Jul 26 22:20:06 box05 kernel: [  642.495514] RBP: ffff8801e3cd7d68 R08: 00000000ffffffff R09: 0000000000000000
Jul 26 22:20:06 box05 kernel: [  642.495520] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801e65001dc
Jul 26 22:20:06 box05 kernel: [  642.495526] R13: ffff8801e6500000 R14: ffff8801e65000a0 R15: ffff8801e65001dc
Jul 26 22:20:06 box05 kernel: [  642.495534] FS:  00007f09993f9700(0000) GS:ffff8800df240000(0000) knlGS:0000000000000000
Jul 26 22:20:06 box05 kernel: [  642.495541] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul 26 22:20:06 box05 kernel: [  642.495547] CR2: 00007f0998f7d000 CR3: 00000001e3cdd000 CR4: 00000000000006e0
Jul 26 22:20:06 box05 kernel: [  642.495553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 26 22:20:06 box05 kernel: [  642.495559] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 26 22:20:06 box05 kernel: [  642.495565] Process umount.nfs (pid: 2312, threadinfo ffff8801e3cd6000, task ffff8801ea2c2dc0)
Jul 26 22:20:06 box05 kernel: [  642.495570] Stack:
Jul 26 22:20:06 box05 kernel: [  642.495573]  ffff8801e8283658 ffffffff8104c90c ffff8800df213cc0 ffff8801e8283400
Jul 26 22:20:06 box05 kernel: [  642.495583]  ffff8801e65000c0 ffffffff81ac5960 ffff8801e8283400 ffff8801e3dbb640
Jul 26 22:20:06 box05 kernel: [  642.495592]  ffff8801e3cd7da8 ffffffff8117a793 ffff8801e3cd7e78 00000000e3cd7dd8
Jul 26 22:20:06 box05 kernel: [  642.495601] Call Trace:
Jul 26 22:20:06 box05 kernel: [  642.495612]  [<ffffffff8104c90c>] ? resched_task+0x2c/0x90
Jul 26 22:20:06 box05 kernel: [  642.495620]  [<ffffffff8117a793>] shrink_dcache_for_umount+0x73/0x80
Jul 26 22:20:06 box05 kernel: [  642.495631]  [<ffffffff8116603c>] generic_shutdown_super+0x2c/0x100
Jul 26 22:20:06 box05 kernel: [  642.495639]  [<ffffffff811661a6>] kill_anon_super+0x16/0x60
Jul 26 22:20:06 box05 kernel: [  642.495664]  [<ffffffffa0dd8c35>] nfs_kill_super+0x25/0x40 [nfs]
Jul 26 22:20:06 box05 kernel: [  642.495674]  [<ffffffff81166925>] deactivate_locked_super+0x45/0x60
Jul 26 22:20:06 box05 kernel: [  642.495682]  [<ffffffff8116768a>] deactivate_super+0x4a/0x70
Jul 26 22:20:06 box05 kernel: [  642.495692]  [<ffffffff81181fd0>] mntput_no_expire+0x120/0x190
Jul 26 22:20:06 box05 kernel: [  642.495700]  [<ffffffff8118205d>] mntput+0x1d/0x30
Jul 26 22:20:06 box05 kernel: [  642.495707]  [<ffffffff811820ea>] release_mounts+0x7a/0x90
Jul 26 22:20:06 box05 kernel: [  642.495714]  [<ffffffff81182556>] do_umount+0x206/0x330
Jul 26 22:20:06 box05 kernel: [  642.495722]  [<ffffffff81182743>] sys_umount+0xc3/0xd0
Jul 26 22:20:06 box05 kernel: [  642.495729]  [<ffffffff8100c042>] system_call_fastpath+0x16/0x1b
Jul 26 22:20:06 box05 kernel: [  642.495734] Code: 8b 0a 31 d2 48 85 db 74 07 48 8b 93 a8 00 00 00 48 05 58 02 00 00 4c 89 ee 48 c7 c7 38 76 7e 81 48 89 04 24 31 c0 e8 5f 7c 45 00 <0f> 0b eb fe 0f 0b eb fe 55 48 89 e5 41 54 53 48 83 ec 20 0f 1f 
Jul 26 22:20:06 box05 kernel: [  642.495784] RIP  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 22:20:06 box05 kernel: [  642.495792]  RSP <ffff8801e3cd7d28>
Jul 26 22:20:06 box05 kernel: [  642.495796] ---[ end trace 5e29d4fd6f63d357 ]---
--
Jul 26 23:15:58 box05 kernel: [  351.343788] BUG: Dentry ffff880208a73b40{i=174,n=} still in use (1) [unmount of nfs 0:1e]
Jul 26 23:15:58 box05 kernel: [  351.343810] ------------[ cut here ]------------
Jul 26 23:15:58 box05 kernel: [  351.343814] kernel BUG at /build/buildd/linux-lts-backport-natty-2.6.38/fs/dcache.c:947!
Jul 26 23:15:58 box05 kernel: [  351.343820] invalid opcode: 0000 [#1] SMP 
Jul 26 23:15:58 box05 kernel: [  351.343825] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.4/0000:03:00.0/irq
Jul 26 23:15:58 box05 kernel: [  351.343830] CPU 1 
Jul 26 23:15:58 box05 kernel: [  351.343936] RIP: 0010:[<ffffffff8117a718>]  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 23:15:58 box05 kernel: [  351.343952] RSP: 0018:ffff88020e0add28  EFLAGS: 00010296
Jul 26 23:15:58 box05 kernel: [  351.343958] RAX: 0000000000000063 RBX: ffff8801f7a401c0 RCX: 000000000000001e
Jul 26 23:15:58 box05 kernel: [  351.343964] RDX: 0000000000000000 RSI: 0000000000000086 RDI: 0000000000000246
Jul 26 23:15:58 box05 kernel: [  351.343971] RBP: ffff88020e0add68 R08: 00000000ffffffff R09: 0000000000000000
Jul 26 23:15:58 box05 kernel: [  351.343977] R10: 0000000000000000 R11: 0000000000000001 R12: ffff880208a73b9c
Jul 26 23:15:58 box05 kernel: [  351.343983] R13: ffff880208a73b40 R14: ffff880208a73e20 R15: ffff880208a73b9c
Jul 26 23:15:58 box05 kernel: [  351.343991] FS:  00007f0996a30700(0000) GS:ffff8800df240000(0000) knlGS:0000000000000000
Jul 26 23:15:58 box05 kernel: [  351.343998] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul 26 23:15:58 box05 kernel: [  351.344004] CR2: 00007f09965b4000 CR3: 000000020bb3e000 CR4: 00000000000006e0
Jul 26 23:15:58 box05 kernel: [  351.344010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 26 23:15:58 box05 kernel: [  351.344016] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 26 23:15:58 box05 kernel: [  351.344022] Process umount.nfs (pid: 2264, threadinfo ffff88020e0ac000, task ffff88020500db80)
Jul 26 23:15:58 box05 kernel: [  351.344027] Stack:
Jul 26 23:15:58 box05 kernel: [  351.344030]  ffff880208488a58 0000000000000001 0000000000000000 ffff880208488800
Jul 26 23:15:58 box05 kernel: [  351.344039]  ffff880208a73a80 ffffffff81ac5960 ffff880208488800 ffff880209610c40
Jul 26 23:15:58 box05 kernel: [  351.344049]  ffff88020e0adda8 ffffffff8117a793 ffff88020e0ade78 000000000e0addd8
Jul 26 23:15:58 box05 kernel: [  351.344058] Call Trace:
Jul 26 23:15:58 box05 kernel: [  351.344068]  [<ffffffff8117a793>] shrink_dcache_for_umount+0x73/0x80
Jul 26 23:15:58 box05 kernel: [  351.344078]  [<ffffffff8116603c>] generic_shutdown_super+0x2c/0x100
Jul 26 23:15:58 box05 kernel: [  351.344086]  [<ffffffff811661a6>] kill_anon_super+0x16/0x60
Jul 26 23:15:58 box05 kernel: [  351.344112]  [<ffffffffa0dd7c35>] nfs_kill_super+0x25/0x40 [nfs]
Jul 26 23:15:58 box05 kernel: [  351.344121]  [<ffffffff81166925>] deactivate_locked_super+0x45/0x60
Jul 26 23:15:58 box05 kernel: [  351.344129]  [<ffffffff8116768a>] deactivate_super+0x4a/0x70
Jul 26 23:15:58 box05 kernel: [  351.344139]  [<ffffffff81181fd0>] mntput_no_expire+0x120/0x190
Jul 26 23:15:58 box05 kernel: [  351.344147]  [<ffffffff8118205d>] mntput+0x1d/0x30
Jul 26 23:15:58 box05 kernel: [  351.344154]  [<ffffffff811820e2>] release_mounts+0x72/0x90
Jul 26 23:15:58 box05 kernel: [  351.344162]  [<ffffffff81182556>] do_umount+0x206/0x330
Jul 26 23:15:58 box05 kernel: [  351.344169]  [<ffffffff81182743>] sys_umount+0xc3/0xd0
Jul 26 23:15:58 box05 kernel: [  351.344177]  [<ffffffff8100c042>] system_call_fastpath+0x16/0x1b
Jul 26 23:15:58 box05 kernel: [  351.344182] Code: 8b 0a 31 d2 48 85 db 74 07 48 8b 93 a8 00 00 00 48 05 58 02 00 00 4c 89 ee 48 c7 c7 38 76 7e 81 48 89 04 24 31 c0 e8 5f 7c 45 00 <0f> 0b eb fe 0f 0b eb fe 55 48 89 e5 41 54 53 48 83 ec 20 0f 1f 
Jul 26 23:15:58 box05 kernel: [  351.344232] RIP  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 23:15:58 box05 kernel: [  351.344239]  RSP <ffff88020e0add28>
Jul 26 23:15:58 box05 kernel: [  351.344243] ---[ end trace cbca696b0dfd5c36 ]---
--
Jul 26 23:53:40 box05 kernel: [  387.271817] BUG: Dentry ffff8801ee33b840{i=174,n=} still in use (1) [unmount of nfs 0:1e]
Jul 26 23:53:40 box05 kernel: [  387.271836] ------------[ cut here ]------------
Jul 26 23:53:40 box05 kernel: [  387.271840] kernel BUG at /build/buildd/linux-lts-backport-natty-2.6.38/fs/dcache.c:947!
Jul 26 23:53:40 box05 kernel: [  387.271844] invalid opcode: 0000 [#1] SMP 
Jul 26 23:53:40 box05 kernel: [  387.271849] last sysfs file: /sys/devices/pci0000:00/0000:00:1c.4/0000:03:00.0/irq
Jul 26 23:53:40 box05 kernel: [  387.271852] CPU 1 
Jul 26 23:53:40 box05 kernel: [  387.271923] RIP: 0010:[<ffffffff8117a718>]  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 23:53:40 box05 kernel: [  387.271935] RSP: 0018:ffff8801dc801d28  EFLAGS: 00010296
Jul 26 23:53:40 box05 kernel: [  387.271939] RAX: 0000000000000063 RBX: ffff8801e6d881c0 RCX: 000000000000001e
Jul 26 23:53:40 box05 kernel: [  387.271943] RDX: 0000000000000000 RSI: 0000000000000086 RDI: 0000000000000246
Jul 26 23:53:40 box05 kernel: [  387.271947] RBP: ffff8801dc801d68 R08: 00000000ffffffff R09: 0000000000000000
Jul 26 23:53:40 box05 kernel: [  387.271950] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801ee33b89c
Jul 26 23:53:40 box05 kernel: [  387.271954] R13: ffff8801ee33b840 R14: ffff8801ee33bbe0 R15: ffff8801ee33b89c
Jul 26 23:53:40 box05 kernel: [  387.271959] FS:  00007f4a724dd700(0000) GS:ffff8800df240000(0000) knlGS:0000000000000000
Jul 26 23:53:40 box05 kernel: [  387.271963] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul 26 23:53:40 box05 kernel: [  387.271967] CR2: 00007f4a72061000 CR3: 00000001e3d17000 CR4: 00000000000006e0
Jul 26 23:53:40 box05 kernel: [  387.271970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul 26 23:53:40 box05 kernel: [  387.271974] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul 26 23:53:40 box05 kernel: [  387.271979] Process umount.nfs (pid: 2428, threadinfo ffff8801dc800000, task ffff88020bafdb80)
Jul 26 23:53:40 box05 kernel: [  387.271982] Stack:
Jul 26 23:53:40 box05 kernel: [  387.271984]  ffff8801e6600e58 ffffffff8104c90c ffff8800df2d3cc0 ffff8801e6600c00
Jul 26 23:53:40 box05 kernel: [  387.271991]  ffff8801ee33b780 ffffffff81ac5960 ffff8801e6600c00 ffff8802099cbd40
Jul 26 23:53:40 box05 kernel: [  387.271997]  ffff8801dc801da8 ffffffff8117a793 ffff8801dc801e78 00000003dc801dd8
Jul 26 23:53:40 box05 kernel: [  387.272003] Call Trace:
Jul 26 23:53:40 box05 kernel: [  387.272010]  [<ffffffff8104c90c>] ? resched_task+0x2c/0x90
Jul 26 23:53:40 box05 kernel: [  387.272016]  [<ffffffff8117a793>] shrink_dcache_for_umount+0x73/0x80
Jul 26 23:53:40 box05 kernel: [  387.272024]  [<ffffffff8116603c>] generic_shutdown_super+0x2c/0x100
Jul 26 23:53:40 box05 kernel: [  387.272029]  [<ffffffff811661a6>] kill_anon_super+0x16/0x60
Jul 26 23:53:40 box05 kernel: [  387.272046]  [<ffffffffa0df7c35>] nfs_kill_super+0x25/0x40 [nfs]
Jul 26 23:53:40 box05 kernel: [  387.272052]  [<ffffffff81166925>] deactivate_locked_super+0x45/0x60
Jul 26 23:53:40 box05 kernel: [  387.272058]  [<ffffffff8116768a>] deactivate_super+0x4a/0x70
Jul 26 23:53:40 box05 kernel: [  387.272063]  [<ffffffff81181fd0>] mntput_no_expire+0x120/0x190
Jul 26 23:53:40 box05 kernel: [  387.272069]  [<ffffffff8118205d>] mntput+0x1d/0x30
Jul 26 23:53:40 box05 kernel: [  387.272074]  [<ffffffff811820e2>] release_mounts+0x72/0x90
Jul 26 23:53:40 box05 kernel: [  387.272079]  [<ffffffff81182556>] do_umount+0x206/0x330
Jul 26 23:53:40 box05 kernel: [  387.272084]  [<ffffffff81182743>] sys_umount+0xc3/0xd0
Jul 26 23:53:40 box05 kernel: [  387.272089]  [<ffffffff8100c042>] system_call_fastpath+0x16/0x1b
Jul 26 23:53:40 box05 kernel: [  387.272092] Code: 8b 0a 31 d2 48 85 db 74 07 48 8b 93 a8 00 00 00 48 05 58 02 00 00 4c 89 ee 48 c7 c7 38 76 7e 81 48 89 04 24 31 c0 e8 5f 7c 45 00 <0f> 0b eb fe 0f 0b eb fe 55 48 89 e5 41 54 53 48 83 ec 20 0f 1f 
Jul 26 23:53:40 box05 kernel: [  387.272141] RIP  [<ffffffff8117a718>] shrink_dcache_for_umount_subtree+0x298/0x2a0
Jul 26 23:53:40 box05 kernel: [  387.272148]  RSP <ffff8801dc801d28>
Jul 26 23:53:40 box05 kernel: [  387.272152] ---[ end trace 5796b8b1229dd894 ]---