Comment # 8 on bug 1212257 from Luiz Angelo Daros de Luca

I renamed the bug to match the real issue. It is a cifs issue with DFS shares.

It is not only during the login. The system can crash at any time when the cifs
share with DFS is mounted. It happens more frequently during login because
restoring kde session might access multiple files in parallel from that share.

All coworker that use tumbleweed are experiencing similar issues. The system
crashes or freezes at unexpected moments. If the share is not mounted, the
system is rock solid. We switched to userland cifs access (kio-cifs or
smbclient) to workaround the issue.

I got a kdump but crash couldn't open it (it looks like this bug
https://www.spinics.net/linux/fedora/redhat-crash-utility/msg10076.html).
Anyway, I don't know how useful it would be as the bug seems to damage near
memory regions. For example, I once got a xfs crash instead of the typical cifs
crash.

All systems affected have plenty of cores (20) and fast M2 storage. This issue
might require more parallelism to appear and it might not manifest with slower
machines with less core (like VMs), or when debug msgs are enabled. There are
just a few tumbleweed users and none of them using slower machines. No leap
user reported this issue.