Public bug reported:
Ubuntu 14.04 amd64
ii linux-image-3.13.0-37-generic
3.13.0-37.64 amd64 Linux
kernel image for version 3.13.0 on 64 bit x86 SMP
sloeuillet@SLoeuillet-DE107:/sfr$ uname -a
Linux SLoeuillet-DE107 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:28:38 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
Today, I encountered 2 quite identical stack traces in my dmesg, related
to nfs :
[368973.412120] WARNING: CPU: 1 PID: 15607 at
/build/buildd/linux-3.13.0/fs/proc/generic.c:511 remove_proc_entry+0x139/0x1b0()
[368973.412122] name 'fs/nfsfs'
[368973.412123] Modules linked in: cdc_acm nfsv3 rpcsec_gss_krb5 8021q garp stp
mrp llc cuse bnep rfcomm bluetooth nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd
sunrpc binfmt_misc fscache hp_wmi sparse_keymap snd_hda_codec_analog
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon snd_page_alloc
snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq sp5100_tco snd_seq_device
serio_raw snd_timer ttm drm_kms_helper snd kvm edac_core soundcore drm
edac_mce_amd k8temp i2c_algo_bit i2c_piix4 tpm_infineon shpchp wmi mac_hid
parport_pc ppdev lp parport hid_generic usbhid hid tg3 psmouse ptp pps_core
floppy ahci libahci
[368973.412164] CPU: 1 PID: 15607 Comm: kworker/u8:1 Tainted: G W
3.13.0-37-generic #64-Ubuntu
[368973.412166] Hardware name: Hewlett-Packard HP Compaq dc5850 Small Form
Factor/3029h, BIOS 786F6 v03.14 11/15/2011
[368973.412171] Workqueue: netns cleanup_net
[368973.412172] 0000000000000009 ffff88006a875c80 ffffffff8171ed09
ffff88006a875cc8
[368973.412176] ffff88006a875cb8 ffffffff8106773d 0000000000000000
0000000000000005
[368973.412179] ffffffffa05168a8 ffff88011b418b30 0000000000000100
ffff88006a875d18
[368973.412182] Call Trace:
[368973.412188] [<ffffffff8171ed09>] dump_stack+0x45/0x56
[368973.412192] [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
[368973.412195] [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
[368973.412198] [<ffffffff81229839>] remove_proc_entry+0x139/0x1b0
[368973.412217] [<ffffffffa04f64e2>] nfs_fs_proc_net_exit+0x62/0x70 [nfs]
[368973.412225] [<ffffffffa04fc5b2>] nfs_net_exit+0x12/0x20 [nfs]
[368973.412228] [<ffffffff8161b409>] ops_exit_list.isra.1+0x39/0x60
[368973.412231] [<ffffffff8161bc90>] cleanup_net+0x110/0x250
[368973.412235] [<ffffffff810839c2>] process_one_work+0x182/0x450
[368973.412237] [<ffffffff810847b1>] worker_thread+0x121/0x410
[368973.412240] [<ffffffff81084690>] ? rescuer_thread+0x430/0x430
[368973.412243] [<ffffffff8108b492>] kthread+0xd2/0xf0
[368973.412246] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[368973.412249] [<ffffffff8172f77c>] ret_from_fork+0x7c/0xb0
[368973.412251] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[368973.412253] ---[ end trace bb78fe56a3dcb678 ]---
[368973.448199] WARNING: CPU: 1 PID: 15607 at
/build/buildd/linux-3.13.0/fs/proc/generic.c:511 remove_proc_entry+0x139/0x1b0()
[368973.448201] name 'fs/nfsfs'
[368973.448203] Modules linked in: cdc_acm nfsv3 rpcsec_gss_krb5 8021q garp stp
mrp llc cuse bnep rfcomm bluetooth nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd
sunrpc binfmt_misc fscache hp_wmi sparse_keymap snd_hda_codec_analog
snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon snd_page_alloc
snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq sp5100_tco snd_seq_device
serio_raw snd_timer ttm drm_kms_helper snd kvm edac_core soundcore drm
edac_mce_amd k8temp i2c_algo_bit i2c_piix4 tpm_infineon shpchp wmi mac_hid
parport_pc ppdev lp parport hid_generic usbhid hid tg3 psmouse ptp pps_core
floppy ahci libahci
[368973.448250] CPU: 1 PID: 15607 Comm: kworker/u8:1 Tainted: G W
3.13.0-37-generic #64-Ubuntu
[368973.448252] Hardware name: Hewlett-Packard HP Compaq dc5850 Small Form
Factor/3029h, BIOS 786F6 v03.14 11/15/2011
[368973.448257] Workqueue: netns cleanup_net
[368973.448259] 0000000000000009 ffff88006a875c80 ffffffff8171ed09
ffff88006a875cc8
[368973.448263] ffff88006a875cb8 ffffffff8106773d 0000000000000000
0000000000000005
[368973.448265] ffffffffa05168a8 ffff88011b418b30 0000000000000100
ffff88006a875d18
[368973.448268] Call Trace:
[368973.448275] [<ffffffff8171ed09>] dump_stack+0x45/0x56
[368973.448279] [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
[368973.448283] [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
[368973.448286] [<ffffffff81229839>] remove_proc_entry+0x139/0x1b0
[368973.448313] [<ffffffffa04f64e2>] nfs_fs_proc_net_exit+0x62/0x70 [nfs]
[368973.448322] [<ffffffffa04fc5b2>] nfs_net_exit+0x12/0x20 [nfs]
[368973.448325] [<ffffffff8161b409>] ops_exit_list.isra.1+0x39/0x60
[368973.448327] [<ffffffff8161bc90>] cleanup_net+0x110/0x250
[368973.448331] [<ffffffff810839c2>] process_one_work+0x182/0x450
[368973.448334] [<ffffffff810847b1>] worker_thread+0x121/0x410
[368973.448337] [<ffffffff81084690>] ? rescuer_thread+0x430/0x430
[368973.448341] [<ffffffff8108b492>] kthread+0xd2/0xf0
[368973.448343] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[368973.448346] [<ffffffff8172f77c>] ret_from_fork+0x7c/0xb0
[368973.448349] [<ffffffff8108b3c0>] ? kthread_create_on_node+0x1c0/0x1c0
[368973.448351] ---[ end trace bb78fe56a3dcb679 ]---
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: 2.14.1-0ubuntu3.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sloeuillet 2501 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Oct 1 14:44:17 2014
HibernationDevice: RESUME=UUID=f74ad7c2-cbec-4b9b-8b27-d1b624315ca8
InstallationDate: Installed on 2013-09-16 (380 days ago)
InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64
(20130820.1)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Hewlett-Packard HP Compaq dc5850 Small Form Factor
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic root=/dev/sda1 ro
quiet splash vt.handoff=7
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 2014-04-28 (156 days ago)
dmi.bios.date: 11/15/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F6 v03.14
dmi.board.name: 3029h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr786F6v03.14:bd11/15/2011:svnHewlett-Packard:pnHPCompaqdc5850SmallFormFactor:pvr:rvnHewlett-Packard:rn3029h:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.name: HP Compaq dc5850 Small Form Factor
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed trusty
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https://bugs.launchpad.net/bugs/1376245
Title:
remove_proc_entry+0x139/0x1b0() -- name 'fs/nfsfs'
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