[linux-cifs-client] CIFS VFS: server not responding

[Jeff Layton]

On Wed, 24 Sep 2008 09:13:28 +0800
"Mars TSE Yiu Kei" <mars_tse at hk.dbsvickers.com> wrote:

> 
> I'm not using Samba 4. I only install samba-client-3.0.25b-0.4E.6.
>  
> Here is output of /proc/fs/cifs/DebugData
>  
> Display Internal CIFS Data Structures for Debugging
> ---------------------------------------------------
> CIFS Version 1.48a.RH
> Active VFS Requests: 0
> Servers:
> 1) Name: 150.110.27.228  Domain: WORKGROUP Mounts: 1 OS: Windows 5.0  
>         NOS: Windows 2000 LAN Manager   Capability: 0xf3fd
>         SMB session status: 1   TCP status: 1
>         Local Users To Server: 1 SecMode: 0x3 Req On Wire: 0
> MIDs:
>  
> Shares:
> 1) \\150.110.27.228\ITSmonitor <file://\\150.110.27.228\ITSmonitor>
> Uses: 1 Type: NTFS DevInfo: 0x20 Attributes: 0x70
> 0ff
> PathComponentMax: 255 Status: 1 type: DISK 
>  
> Regards,
> Mars
> 


> ________________________________
> 
> 	From: Sam Liddicott [mailto:sam at liddicott.com] 
> 	Sent: Wednesday, September 24, 2008 00:00
> 	To: Mars TSE Yiu Kei; linux-cifs-client at lists.samba.org
> 	Subject: RE: [linux-cifs-client] CIFS VFS: server not responding
> 	
> 	
> 	I reject your confidentiality note.
> 	
> 	Are you talking about Samba 4?
> 	
> 	The timeout is a property of the transport, and you could set
> this from the vfs connect function, if it isn't already initialized from
> a config file.
> 	
> 	Sorry I can't be more specfic but I have no source available
> right now.
> 	
> 	Sam
> 	
> 	
> ________________________________
> 
> 	From: Mars TSE Yiu Kei <mars_tse at hk.dbsvickers.com>
> 	Sent: 23 September 2008 10:41
> 	To: linux-cifs-client at lists.samba.org
> 	Subject: [linux-cifs-client] CIFS VFS: server not responding
> 	
> 	
> 	Hello,
> 	 
> 	I have a Linux server mounting to a share from Windows server.
> 	 
> 	
> 	Below is the /etc/fstab entry of the Linux server:
> 	//150.110.27.228/ITSmonitor     /BT     cifs
> ro,credentials=/etc/samba/security/BT.login     0 0
> 	 
> 	The problem is when the Windows server is busy, there is error
> relating CIFS on /var/log/messages like:
> 	Sep 13 00:30:25 server60 kernel:  CIFS VFS: server not
> responding
> 	Sep 13 00:30:25 server60 kernel:  CIFS VFS: No response for cmd
> 50 mid 58515
> 	Sep 13 00:30:25 server60 kernel:  CIFS VFS: No response to cmd
> 46 mid 58516
> 	Sep 13 00:30:25 server60 kernel:  CIFS VFS: Send error in read =
> -11
> 	Sep 13 00:31:25 server60 kernel:  CIFS VFS: server not
> responding
> 	Sep 13 00:31:25 server60 kernel:  CIFS VFS: No response to cmd
> 46 mid 58560
> 	Sep 13 00:31:25 server60 kernel:  CIFS VFS: Send error in read =
> -11
> 	Sep 13 00:32:10 server60 kernel:  CIFS VFS: server not
> responding
> 	Sep 13 00:32:10 server60 kernel:  CIFS VFS: No response to cmd
> 46 mid 58566
> 	Sep 13 00:32:10 server60 kernel:  CIFS VFS: Send error in read =
> -11
> 	 
> 	I am trying to change the timeout value of CIFS but cannot find
> a way to do it. Or you have a better idea of this problem, please share
> with me. Thanks.
> 	 
> 	Regards,
> 	Mars

What kernel are you running on the client here? The error messages
you're seeing look symptomatic of a bug in older kernels that could
cause memory corruption.

-- 
Jeff Layton <jlayton at redhat.com>