Bug 54884 - 4.4 Backport: Veyon crashes if iTALC Client in Computerroom
4.4 Backport: Veyon crashes if iTALC Client in Computerroom
Product: UCS@school
Classification: Unclassified
Component: Veyon
UCS@school 4.4
Other Linux
: P5 normal (vote)
: UCS@school 4.4 v9-errata
Assigned To: Felix Botner
Tobias Wenzel
Depends on: 53558
  Show dependency treegraph
Reported: 2022-06-21 11:03 CEST by Tobias Wenzel
Modified: 2022-07-20 13:24 CEST (History)
13 users (show)

See Also:
What kind of report is it?: Bug Report
What type of bug is this?: 5: Major Usability: Impairs usability in key scenarios
Who will be affected by this bug?: 3: Will affect average number of installed domains
How will those affected feel about the bug?: 3: A User would likely not purchase the product
User Pain: 0.257
Enterprise Customer affected?: Yes
School Customer affected?: Yes
ISV affected?:
Waiting Support:
Flags outvoted (downgraded) after PO Review:
Ticket number: 2021060921000233, 2021062921000455
Bug group (optional):
Max CVSS v3 score:


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Description Tobias Wenzel univentionstaff 2022-06-21 11:03:56 CEST
+++ This bug was initially created as a clone of Bug #53558 +++

If a client is not switched from iTalk to Veyon f.e. opsi rollout failed on this client, the Veyon proxy and the computerroom module will crash or become not responsive. You need to restart both services.

The Veyon proxy app should be robust enough to handle a non Veyon speaking client.
Simply ignore would work, excellent would be a pop up like "Client XY is not configured using Veyon. Please check. Will ignore this client(s)"

Happened in two customer environments already.
Comment 1 Felix Botner univentionstaff 2022-06-30 14:17:58 CEST
3cb5bacfc91be330de5dd56aefb4da8ff8913acb - cherry-picked to 4.4 (without the ucs-test-ucsschool changes)
82df2924879a02379fc3d75ca3a6ded1dee9dd0f - advisory

Successful build
Package: ucs-school-umc-computerroom
Version: 11.0.0-34A~
Branch: ucs_4.4-0
Scope: ucs-school-4.4
Comment 2 Tobias Wenzel univentionstaff 2022-07-05 10:00:19 CEST
Tested the computerroom module and app update in UCS 4.4, looks good for me.

UCS: 4.4-9 errata1262
Installed: cups=2.2.1 samba4=4.10 squid=3.5 ucsschool=4.4 v9 ucsschool-veyon-proxy=
changelog, advisory + merge ok
Comment 3 Tobias Wenzel univentionstaff 2022-07-20 13:24:01 CEST
Errata updates for UCS@school 4.4 v9 have been released.


If this error occurs again, please clone this bug.