Public bug reported:
kernel oops during boot. no crash. kubuntu still usable.
------------[ cut here ]------------
[ 44.392154] WARNING: CPU: 0 PID: 6 at
/build/buildd/linux-3.13.0/fs/proc/generic.c:522 remove_proc_entry+0x19f/0x1b0()
[ 44.392157] remove_proc_entry: removing non-empty directory 'fs/nfsfs',
leaking at least 'volumes'
[ 44.392159] Modules linked in: bridge(+) stp llc ip6table_filter ip6_tables
iptable_filter ip_tables ebtable_nat ebtables x_tables nfsv3 nfsv4 rfcomm bnep
bluetooth ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi binfmt_misc nfsd auth_rpcgss nfs_acl
nfs lockd sunrpc fscache dm_crypt 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 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core
videodev joydev rc_rc6_mce pl2303 snd_usb_audio mceusb snd_usbmidi_lib rc_core
usbserial snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_page_alloc snd_seq_midi snd_seq_midi_event coretemp snd_rawmidi kvm_intel
kvm dm_multipath scsi_dh snd_seq snd_seq_device snd_timer snd serio_raw lpc_ich
soundcore mac_hid parport_pc ppdev lp parport hid_generic usbhid hid i915
e1000e video i2c_algo_bit psmouse drm_kms_helper firewire_ohci drm
firewire_core ptp crc_itu_t pps_core
[ 44.392237] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 3.13.0-37-generic
#64-Ubuntu
[ 44.392239] Hardware name: AOpen i965GMx-IF/i965GMx-IF, BIOS 6.00 PG
10/03/2008
[ 44.392243] Workqueue: netns cleanup_net
[ 44.392245] 0000000000000009 ffff880129b25c80 ffffffff8171ed09
ffff880129b25cc8
[ 44.392249] ffff880129b25cb8 ffffffff8106773d ffff8801240fcd80
0000000000000005
[ 44.392252] ffffffffa053b8a8 ffff8800af22deb0 ffff8801240fcdf5
ffff880129b25d18
[ 44.392255] Call Trace:
[ 44.392262] [<ffffffff8171ed09>] dump_stack+0x45/0x56
[ 44.392266] [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
[ 44.392270] [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
[ 44.392273] [<ffffffff8122989f>] remove_proc_entry+0x19f/0x1b0
[ 44.392290] [<ffffffffa051b4e2>] nfs_fs_proc_net_exit+0x62/0x70 [nfs]
[ 44.392301] [<ffffffffa05215b2>] nfs_net_exit+0x12/0x20 [nfs]
[ 44.392304] [<ffffffff8161b409>] ops_exit_list.isra.1+0x39/0x60
[ 44.392307] [<ffffffff8161bc90>] cleanup_net+0x110/0x250
[ 44.392312] [<ffffffff810839c2>] process_one_work+0x182/0x450
[ 44.392315] [<ffffffff810847b1>] worker_thread+0x121/0x410
[ 44.392318] [<ffffffff81084690>] ? rescuer_thread+0x430/0x430
[ 44.392321] [<ffffffff8108b492>] kthread+0xd2/0xf0
[ 44.392324] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[ 44.392328] [<ffffffff8172f77c>] ret_from_fork+0x7c/0xb0
[ 44.392331] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[ 44.392333] ---[ end trace d2c8090166cdd4d7 ]---
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: pascal 3346 F.... pulseaudio
/dev/snd/controlC0: pascal 3346 F.... pulseaudio
CurrentDesktop: KDE
Date: Mon Oct 20 21:25:04 2014
HibernationDevice: RESUME=UUID=6e95fe83-ffc6-4f37-b81c-984d3bf3dc85
InstallationDate: Installed on 2011-10-23 (1092 days ago)
InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
virbr0 no wireless extensions.
MachineType: AOpen i965GMx-IF
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic
root=UUID=6326dfb7-36be-4eae-85b8-e49695f3f331 ro security=selinux selinux=1
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
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-04-20 (183 days ago)
dmi.bios.date: 10/03/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: i965GMx-IF
dmi.board.vendor: AOpen
dmi.board.version: 558EX10I690
dmi.chassis.type: 3
dmi.chassis.vendor: AOpen
dmi.chassis.version: i965GMx-IF
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd10/03/2008:svnAOpen:pni965GMx-IF:pvrAO00001JW:rvnAOpen:rni965GMx-IF:rvr558EX10I690:cvnAOpen:ct3:cvri965GMx-IF:
dmi.product.name: i965GMx-IF
dmi.product.version: AO00001JW
dmi.sys.vendor: AOpen
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1383446
Title:
WARNING: CPU: 0 PID: 6 at
/build/buildd/linux-3.13.0/fs/proc/generic.c:522
remove_proc_entry+0x19f/0x1b0()
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