[   22.837040] vboxdrv: Trying to deactivate the NMI watchdog permanently...
[   22.837044] vboxdrv: Successfully done.
[   22.837047] vboxdrv: Found 2 processor cores.
[   22.837141] vboxdrv: fAsync=0 offMin=0x8d0 offMax=0x3cd0
[   22.837194] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   22.837197] vboxdrv: Successfully loaded version 3.0.8 (interface 0x000e0000).
[   23.548017] eth0: no IPv6 routers present
[   28.353797] CPU0 attaching NULL sched-domain.
[   28.353804] CPU1 attaching NULL sched-domain.
[   28.364088] CPU0 attaching sched-domain:
[   28.364093]  domain 0: span 0-1 level MC
[   28.364097]   groups: 0 1
[   28.364103]   domain 1: span 0-1 level CPU
[   28.364106]    groups: 0-1 (__cpu_power = 2048)
[   28.364113] CPU1 attaching sched-domain:
[   28.364115]  domain 0: span 0-1 level MC
[   28.364118]   groups: 1 0
[   28.364123]   domain 1: span 0-1 level CPU
[   28.364126]    groups: 0-1 (__cpu_power = 2048)
[   32.947806] CPU0 attaching NULL sched-domain.
[   32.947813] CPU1 attaching NULL sched-domain.
[   32.964354] CPU0 attaching sched-domain:
[   32.964360]  domain 0: span 0-1 level CPU
[   32.964365]   groups: 0 1
[   32.964378] CPU1 attaching sched-domain:
[   32.964381]  domain 0: span 0-1 level CPU
[   32.964385]   groups: 1 0
[   54.404437] type=1503 audit(1256111106.508:16): operation="open" pid=1956 parent=1951 profile="/usr/sbin/mysqld-akonadi" requested_mask="::r" denied_mask="::r" fsuid=1000 ouid=0 name="/sys/devices/system/cpu/"
[  688.401151] ------------[ cut here ]------------
[  688.401169] WARNING: at /build/buildd/linux-2.6.31/fs/inode.c:1212 generic_delete_inode+0x14e/0x160()
[  688.401173] Hardware name: OptiPlex 745                 
[  688.401175] Modules linked in: binfmt_misc vboxnetadp vboxnetflt vboxdrv nls_cp437 nls_utf8 cifs snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc psmouse dell_wmi ppdev dcdbas serio_raw parport_pc iptable_filter ip_tables x_tables lp parport fbcon tileblit font bitblit softcursor usbhid i915 drm i2c_algo_bit intel_agp agpgart video output tg3
[  688.401239] Pid: 4205, comm: chattr Not tainted 2.6.31-14-generic #48-Ubuntu
[  688.401242] Call Trace:
[  688.401252]  [<c014518d>] warn_slowpath_common+0x6d/0xa0
[  688.401258]  [<c01faf6e>] ? generic_delete_inode+0x14e/0x160
[  688.401262]  [<c01faf6e>] ? generic_delete_inode+0x14e/0x160
[  688.401267]  [<c01451d5>] warn_slowpath_null+0x15/0x20
[  688.401271]  [<c01faf6e>] generic_delete_inode+0x14e/0x160
[  688.401277]  [<c05708b8>] ? _spin_lock+0x8/0x10
[  688.401282]  [<c01fafa5>] generic_drop_inode+0x25/0x30
[  688.401289]  [<c01fa011>] iput+0x41/0x60
[  688.401296]  [<c0284896>] ext4_ext_migrate+0x3d6/0x520
[  688.401302]  [<c0263447>] ? ext4_do_update_inode+0x267/0x4b0
[  688.401307]  [<c0269292>] ext4_ioctl+0x6f2/0x750
[  688.401312]  [<c0268ba0>] ? ext4_ioctl+0x0/0x750
[  688.401317]  [<c01f4c9c>] vfs_ioctl+0x1c/0x90
[  688.401321]  [<c05708b8>] ? _spin_lock+0x8/0x10
[  688.401325]  [<c01f4e78>] file_ioctl+0x28/0x100
[  688.401330]  [<c01f5231>] do_vfs_ioctl+0x2e1/0x310
[  688.401334]  [<c01f52bf>] sys_ioctl+0x5f/0x80
[  688.401340]  [<c01e5669>] ? sys_open+0x29/0x40
[  688.401345]  [<c010336c>] syscall_call+0x7/0xb
[  688.401349] ---[ end trace 7251dbda8fc34576 ]---
[  909.352641] ------------[ cut here ]------------
[  909.352656] WARNING: at /build/buildd/linux-2.6.31/fs/inode.c:1212 generic_delete_inode+0x14e/0x160()
[  909.352660] Hardware name: OptiPlex 745                 
[  909.352669] Modules linked in: binfmt_misc vboxnetadp vboxnetflt vboxdrv nls_cp437 nls_utf8 cifs snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc psmouse dell_wmi ppdev dcdbas serio_raw parport_pc iptable_filter ip_tables x_tables lp parport fbcon tileblit font bitblit softcursor usbhid i915 drm i2c_algo_bit intel_agp agpgart video output tg3
[  909.352745] Pid: 4907, comm: chattr Tainted: G        W  2.6.31-14-generic #48-Ubuntu
[  909.352748] Call Trace:
[  909.352756]  [<c014518d>] warn_slowpath_common+0x6d/0xa0
[  909.352761]  [<c01faf6e>] ? generic_delete_inode+0x14e/0x160
[  909.352765]  [<c01faf6e>] ? generic_delete_inode+0x14e/0x160
[  909.352770]  [<c01451d5>] warn_slowpath_null+0x15/0x20
[  909.352774]  [<c01faf6e>] generic_delete_inode+0x14e/0x160
[  909.352780]  [<c05708b8>] ? _spin_lock+0x8/0x10
[  909.352785]  [<c01fafa5>] generic_drop_inode+0x25/0x30
[  909.352792]  [<c01fa011>] iput+0x41/0x60
[  909.352796]  [<c0284896>] ext4_ext_migrate+0x3d6/0x520
[  909.352801]  [<c0263447>] ? ext4_do_update_inode+0x267/0x4b0
[  909.352806]  [<c0269292>] ext4_ioctl+0x6f2/0x750
[  909.352810]  [<c0268ba0>] ? ext4_ioctl+0x0/0x750
[  909.352814]  [<c01f4c9c>] vfs_ioctl+0x1c/0x90
[  909.352818]  [<c05708b8>] ? _spin_lock+0x8/0x10
[  909.352822]  [<c01f4e78>] file_ioctl+0x28/0x100
[  909.352826]  [<c01f5231>] do_vfs_ioctl+0x2e1/0x310
[  909.352830]  [<c01f52bf>] sys_ioctl+0x5f/0x80
[  909.352834]  [<c01e5669>] ? sys_open+0x29/0x40
[  909.352838]  [<c010336c>] syscall_call+0x7/0xb
[  909.352841] ---[ end trace 7251dbda8fc34577 ]---