Re: [2.6.39] CIFS write failures where 2.6.38 works

[Maciej Rutecki <maciej.rutecki@gmail.com>]

I created a Bugzilla entry at 
https://bugzilla.kernel.org/show_bug.cgi?id=36952
for your bug report, please add your address to the CC list in there, thanks!

On środa, 1 czerwca 2011 o 12:11:10 Helge Hafting wrote:
> At work I use cifs for accessing a windows server. This has worked fine
> for a long time, up to and including Debian's 2.6.38-2.
> 
> I just installed Debians's 2.6.39-1, and had to give up on it.
> Mounting CIFS works, and I can see the files. But if I
> try to make a new file (with cp), I get a long delay.
> 
> In this time, anything accessing CIFS will pause, including "ls".
> CIFS eventually becomes unstuck, and I will find that my "ls" succeeded,
> but the file copy did not. The file was created, but
> with 0 size.
> 
> Trying to copy the file again results in another stall, and so on.
> 
> 
> When I mount CIFS, I get this message:
> CIFS VFS: Unexpected SMB signature
> 
> This happens with 2.6.38 as well as 2.6.39.
> 
> When writes fail in 2.6.39, I also get:
> CIFS VFS: Send error in Close = -512
> 
> Followed by:
> CIFS VFS: Server servername has not responded in 300 seconds.
> Reconnecting...
> 
> I have also seen
> CIFS VFS: Send error in Close = -512
> and
> CIFS VFS: Send error in read = -13
> 
> Helge Hafting
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-- 
Maciej Rutecki
http://www.maciek.unixy.pl