[Samba] CIFS VFS: in dmesg when Linux accesses eComStation's (OS/2) FAT filesystem shares

[Felix Miata]

Jeremy Allison via samba composed on 2020-04-23 09:24 (UTC-0700):

> On Thu, Apr 23, 2020 at 02:59:18AM -0400, Felix Miata via samba wrote:

>> Items in dmesg when FAT share's are accessed from web browser:
>> CIFS VFS: bogus file nlink value 0

> nlink should never be zero. If an SMB server
> returns that, then the CIFSFS client will have
> to fake it to 1 at least.

>> When accessed from FC/L (OFM (orthodox filemanager)):
>> CIFS VFS: illegal date, month 0 day: 0

>> When the share is initially mounted:
>> CIFS: Attempting to mount //hostname/E
>> Use of the less secure dialect vers=1.0 is not recommended unless required for
>> access to very old servers
>> CIFS VFS: Send error in QFSAttributeInfo = -95

>> /etc/fstab entry for //hostname/E:
>> //hostname/E /smbmnt/hostname/E cifs
>> ro,credentials=/etc/samba/hostname.cred,sec=lanman,vers=1.0,servern=HOSTNAME,domain=MYHOST,port=139,dir_mode=0555,file_mode=0664,noserverino,noauto
>> 0 0

>> Kernel, Samba and CIFS client versions:
>> Linux 00srv 4.12.14-lp151.28.44-default #1 SMP Fri Mar 20 18:20:20 UTC 2020
>> (dbf1aea) x86_64 x86_64 x86_64 GNU/Linux
>> cifs-utils-6.9-lp151.4.3.1.x86_64
>> samba-4.9.5+git.296.3dd62eee45e-lp151.2.21.1.x86_64
>> samba-client-4.9.5+git.296.3dd62eee45e-lp151.2.21.1.x86_64

>> What needs to be done to quiet dmesg when these file access occur? These didn't
>> occur until some not all that recent updates to Samba/CIFS versions, maybe a year
>> or more, I'm not sure, but ISTR once upon a time complete silence from such touches.

> Can you send in a wireshark trace of the client talking to
> the OS/2 server ?

Haven't used Wireshark in over a decade. I hope this is what you want.
http://fm.no-ip.com/Tmp/Linux/Samba/jra-samba04.trace.pcapng
-- 
Evolution as taught in public schools is religion, not science.

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/