[Bug 631383] [NEW] Samba: Slow file open & Incomplete multibyte sequence error

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Description: Ubuntu 10.04.1 LTS
Release:	10.04
Samba version 3.4.7

The Setup & The problem:

We are running Windows 2008 R2 acting as a AD server.  We are using SAMBA as a fileserver authenticating off of the AD server.
We are a company situated within Asia, as such most of our files are in either Japanese, Korean, or Chinese. 

Everything is running nicely execpt for:

The problem is the SAMBA server might take up to 30seconds to open a
binary file (mostly msword docs, but some photoshop files as well from a
windows workstation. This *does not* occur when I access the shares from
my linux (ubuntu) workstation.

This error keeps showing up in the logs:

[2010/09/06 12:52:31,  3] lib/charcnv.c:242(convert_string_internal)
convert_string_internal: Conversion error: Incomplete multibyte sequence(��ト_20091125.xls)

Our smb.conf (information erased to protect the innocent)
As i thought it was related to optlocks, apparently to no effect.


[global]
        workgroup = OOOOO
        realm = OOOOO
        server string = OOOO
        security = ADS
        password server = OOOO
        restrict anonymous = 2
        client NTLMv2 auth = Yes
        log level = 3
        syslog = 0
        log file = /var/log/samba/log.%m
        max log size = 10000
        unix extensions = No
        socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=8192 SO_SNDBUF=8192
        panic action = /usr/share/samba/panic-action %d
        idmap uid = 10000-20000
        idmap gid = 10000-20000
        template homedir = OOOO
        template shell = /bin/bash
        winbind enum users = Yes
        winbind enum groups = Yes
        winbind use default domain = Yes
        veto files = /Thumbs.db/
        oplocks = No
        level2 oplocks = No
        wide links = Yes

[homes]
        comment = Home Directories
        valid users = %S
        read only = No
        create mask = 0664
        force create mode = 0664
        force security mode = 0664
        directory mask = 0775
        force directory mode = 0755
        hide dot files = No
        browseable = No
        browsable = No

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

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Samba: Slow file open & Incomplete multibyte sequence error
https://bugs.launchpad.net/bugs/631383
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