Bug 11902 - btrieve microkernel limits access to single user after upgrade to 4.2.12
btrieve microkernel limits access to single user after upgrade to 4.2.12
Status: NEW
Product: Samba 4.1 and newer
Classification: Unclassified
Component: File services
4.2.12
x64 Linux
: P5 normal
: ---
Assigned To: Samba QA Contact
Samba QA Contact
:
Depends on:
Blocks:
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Reported: 2016-05-05 00:33 UTC by Jan Psota
Modified: 2016-05-06 22:55 UTC (History)
1 user (show)

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Description Jan Psota 2016-05-05 00:33:06 UTC
We (Agro-Wodzisław) are using "Symfonia Handel" app. made by Sage. Program runs on Windows XP, files are stored on Gentoo Linux (kernel 4.5), served with Samba-4. After upgrade from samba-4.2.11 to .12 we could not login into Symfonia on more than one workstation.

Symfonia uses Btrieve microkernel running on every workstation. Switching back to 4.2.11 (compiled on the same system! [same options, packages, tools...]) made Symfonia run as usual (making .slck file for every user/workstation, while 4.2.12 made it only for the first user and next cannot login into application; without any warning - just the same login window and no .slck file saved on server).

I read all ~2000 lines of differences between .11 and .12, but hadn't found anything about locking.
Comment 1 Stefan Metzmacher 2016-05-06 10:06:19 UTC
We need the smb.conf and the following for against 4.2.11 and 4.2.12:
network captures and level 10 log files
https://wiki.samba.org/index.php/Capture_Packets

Please start the capture before starting smbd (and if used winbindd).
Comment 2 Jan Psota 2016-05-06 22:55:43 UTC
(In reply to Stefan Metzmacher from comment #1)
I will test it of course (I have to prepare 2 VMs for that purpose first) but I recall now that I've tried samba-4.4.2 and than 4.3.8 (3 weeks ago) because I noticed the same effect! (only first user could login into database)