Bug seems to have disappeared with update to 3.13.0-40-generic
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1395371
Title:
nfs falls over during ftp connection since installing vsftpd
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I just installed vsftpd on my Ubuntu server. The contents of syslog
suggests there is a problem. Previously no ftp-server software was
installed.
First some basic info:
$ cat /proc/version_signature:
Ubuntu 3.13.0-39.66-generic 3.13.11.8
$ lsb_release -rd
Description: Ubuntu 14.04.1 LTS
Release: 14.04
$ apt-cache policy vsftpd
vsftpd:
Installed: 3.0.2-1ubuntu2.14.04.1
Candidate: 3.0.2-1ubuntu2.14.04.1
Version table:
*** 3.0.2-1ubuntu2.14.04.1 0
500 http://nl.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64
Packages
100 /var/lib/dpkg/status
3.0.2-1ubuntu2 0
500 http://nl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
$ apt-cache policy nfs-common
nfs-common:
Installed: 1:1.2.8-6ubuntu1.1
Candidate: 1:1.2.8-6ubuntu1.1
Version table:
*** 1:1.2.8-6ubuntu1.1 0
500 http://nl.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64
Packages
100 /var/lib/dpkg/status
1:1.2.8-6ubuntu1 0
500 http://nl.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
When logging in with ftp from a remote computer onto this server as an
anonymous user, nfs seems to fall over causing this stacktrace:
[2014-11-22 21:13:35] ------------[ cut here ]------------
[2014-11-22 21:13:35] WARNING: CPU: 1 PID: 469 at
/build/buildd/linux-3.13.0/fs/proc/generic.c:511 remove_proc_entry+0x139/0x1b0()
[2014-11-22 21:13:35] name 'fs/nfsfs'
[2014-11-22 21:13:35] Modules linked in: nfsd auth_rpcgss nfs_acl nfs lockd
sunrpc fscache snd_hda_codec_realtek snd_hda_codec_hdmi kvm_amd kvm
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw
gf128mul glue_helper ablk_helper cryptd serio_raw k10temp snd_hda_intel
i2c_piix4 snd_hda_codec radeon snd_hwdep ttm snd_pcm drm_kms_helper
snd_page_alloc drm snd_timer video i2c_algo_bit snd soundcore nct6775 hwmon_vid
lp parport mac_hid pata_acpi raid10 raid456 async_raid6_recov async_memcpy
async_pq async_xor async_tx xor usb_storage hid_generic usbhid hid raid6_pq
raid1 raid0 multipath alx linear mdio pata_atiixp ahci libahci
[2014-11-22 21:13:35] CPU: 1 PID: 469 Comm: kworker/u8:0 Tainted: G W
3.13.0-39-generic #66-Ubuntu
[2014-11-22 21:13:35] Hardware name: To Be Filled By O.E.M. To Be Filled By
O.E.M./FM2A88X-ITX+, BIOS P2.10 01/17/2014
[2014-11-22 21:13:35] Workqueue: netns cleanup_net
[2014-11-22 21:13:35] 0000000000000009 ffff88033286dc80 ffffffff8171ece7
ffff88033286dcc8
[2014-11-22 21:13:35] ffff88033286dcb8 ffffffff8106773d 0000000000000000
0000000000000005
[2014-11-22 21:13:35] ffffffffa05b08a8 ffff88041f018ab0 0000000000000100
ffff88033286dd18
[2014-11-22 21:13:35] Call Trace:
[2014-11-22 21:13:35] [<ffffffff8171ece7>] dump_stack+0x45/0x56
[2014-11-22 21:13:35] [<ffffffff8106773d>] warn_slowpath_common+0x7d/0xa0
[2014-11-22 21:13:35] [<ffffffff810677ac>] warn_slowpath_fmt+0x4c/0x50
[2014-11-22 21:13:35] [<ffffffff81229889>] remove_proc_entry+0x139/0x1b0
[2014-11-22 21:13:35] [<ffffffffa05904e2>] nfs_fs_proc_net_exit+0x62/0x70
[nfs]
[2014-11-22 21:13:35] [<ffffffffa05965b2>] nfs_net_exit+0x12/0x20 [nfs]
[2014-11-22 21:13:35] [<ffffffff8161b3a9>] ops_exit_list.isra.1+0x39/0x60
[2014-11-22 21:13:35] [<ffffffff8161bc30>] cleanup_net+0x110/0x250
[2014-11-22 21:13:35] [<ffffffff810839c2>] process_one_work+0x182/0x450
[2014-11-22 21:13:35] [<ffffffff810847b1>] worker_thread+0x121/0x410
[2014-11-22 21:13:35] [<ffffffff81084690>] ? rescuer_thread+0x430/0x430
[2014-11-22 21:13:35] [<ffffffff8108b492>] kthread+0xd2/0xf0
[2014-11-22 21:13:35] [<ffffffff8108b3c0>] ?
kthread_create_on_node+0x1c0/0x1c0
[2014-11-22 21:13:35] [<ffffffff8172f73c>] ret_from_fork+0x7c/0xb0
[2014-11-22 21:13:35] [<ffffffff8108b3c0>] ?
kthread_create_on_node+0x1c0/0x1c0
[2014-11-22 21:13:35] ---[ end trace 2a658da59ed75c25 ]---
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