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[Leon Weiß <1899968@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Samba SMB shares accessed from Windows or Mac OS don't work as expected
when using tools like Git or npm (node package manager).

Expected: For example, Git clones to a folder mounted via SMB, as it did
with previous ubuntu versions

What happened:
When using git clone in an smb mounted directory, git throws the following errors:
warning: unable to unlink 'images': Directory not empty
fatal: cannot create directory at 'images': Directory not empty

The errors vary a bit every run (stops at different files/dirs) when
extracting or doing other operations. Copying and writing from files via
the file browser works without a problem.


I could reproduce the error in the following environment with the latest updates applied:

Ubuntu 20.04.1 LTS (Ubuntu 5.4.0-51.56-generic 5.4.65)
Ubuntu 20.04.1 LTS (Ubuntu 5.4.0-48.52-generic 5.4.60)
Samba version 4.11.6-Ubuntu
Clients: Windows 10 Version 10.0.18363 Build 18363, Mac OS 10.13.6


On a fresh install with Ubuntu 18.04 (Samba 4.7.6) and CentOS 7 (Samba 4.11) as SMB servers the error does NOT occur, with the same standard smb.conf.

Also, setting the following options in smb.conf did NOT help:
mangled names = Yes
oplocks = False
level2 oplocks = False


I will happily provide any information/testing that is necessary.

Thank you

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

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https://bugs.launchpad.net/bugs/1899968

Title:
  samba SMB share certain operations fail

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