Public bug reported:
I have 2 cifs shares from Ubuntu to a Windows 2012 NAS.
The shares work at first, then after a few hours, one or both hang and do not
respond until rebooting the ubuntu server.
In my example below, the video share has hung, but music is still working.
This system did work last year before I upgraded packages to 14.04.1.
I have tried purging and reinstalling cifs-utils, but no improvement.
This is /etc/fstab:
//deepthought/video$ /mnt/video cifs
ro,_netdev,username=plex,password=xx,sec=ntlm 0 0
//deepthought/music$ /mnt/music cifs
ro,_netdev,username=plex,password=xx,sec=ntlm 0 0
This is the output from /proc/fs/cifs/DebugData:
Display Internal CIFS Data Structures for Debugging
---------------------------------------------------
CIFS Version 2.02
Features: dfs fscache lanman posix spnego xattr acl
Active VFS Requests: 2
Servers:
1) Name: 192.168.0.213 Domain: AQUILA Uses: 1 OS: Windows Server 2012 R2
Datacenter 9600
NOS: Windows Server 2012 R2 Datacenter 6.3 Capability: 0x1e3fc
SMB session status: 1 TCP status: 1
Local Users To Server: 1 SecMode: 0x3 Req On Wire: 0
Shares:
1) \\deepthought\music$ Mounts: 1 Type: NTFS DevInfo: 0x20020
Attributes: 0xc700ff
PathComponentMax: 255 Status: 0x1 type: DISK
MIDs:
2) Name: 192.168.0.213 Domain: AQUILA Uses: 1 OS: Windows Server 2012 R2
Datacenter 9600
NOS: Windows Server 2012 R2 Datacenter 6.3 Capability: 0x1e3fc
SMB session status: 1 TCP status: 4
Local Users To Server: 1 SecMode: 0x3 Req On Wire: 1
Shares:
1) \\deepthought\video$ Mounts: 1 Type: NTFS DevInfo: 0x20020
Attributes: 0xc700ff
PathComponentMax: 255 Status: 0x1 type: DISK DISCONNECTED
MIDs:
State: 2 com: 114 pid: 11739 cbdata: ffff8800e515c800 mid 11
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: cifs-utils 2:6.0-1ubuntu2
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
Date: Tue Oct 14 17:23:14 2014
InstallationDate: Installed on 2014-03-06 (222 days ago)
InstallationMedia: Ubuntu-Server 12.04.4 LTS "Precise Pangolin" - Release amd64
(20140204)
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: cifs-utils
UpgradeStatus: Upgraded to trusty on 2014-08-22 (53 days ago)
** Affects: cifs-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1381236
Title:
cifs share hangs after several hours
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