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action #124652

closed

gtk glitch not showing dialog window decoration on openQA size:M

Added by geor about 1 year ago. Updated 11 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
okurz
Category:
Support
Target version:
Ready
Start date:
2023-02-15
Due date:
% Done:

0%

Estimated time:
Tags:
reactive work

Description

Motivation

During our graphical YaST tests we (the qe-yam team) encounter a type of graphic glitch where the screen is not properly refreshed.
Examples can be seen here and here

This behavior is sporadic but widespread enough that it has forced qe-yam to apply workarounds to a number of our tests.
Because the conditions allowing the workarounds are not always consistent, we have interest in the root of the issue getting resolved.
Our latest bug entry on the matter has been tagged as WONTFIX because we (qe-yam and the YaST developers) have not found a way to reproduce this glitch outside of the openQA environment.

latest: https://openqa.suse.de/tests/10499467#step/yast2_lan_restart_vlan/19 (glitch does not happen on yast2_control_center on last build but can be seen elsewhere)
last good: https://openqa.suse.de/tests/5900202#step/yast2_control_center/94

Scope

aarch64, s390x, x86_64 on SLE 15-SP4 and SLE 15-SP5 (issue is not exclusive on qemu)

Acceptance criteria

  • AC1: The graphic glitch does not appear anymore in tests

Problem

  • H1 could be the qemu video adapter

    • H1.1 REJECTED could be the specific choice of qemu video adapter
    • E1.1-1 DONE Try out the reproducing openQA test with different qemu video adapters -> O1.1-1-1 #124652#note-16 different video adapters reproduced the same issue
    • H1.2 maybe can not be reproduced with using special qemu video adapter settings

  • H2 REJECTED only happens in older SLE versions => Current SLE15SP5 affected the same

    • E2-1 DONE Run the equivalent openQA test on SLE
    • O2-1-1 issue observed on SLE15SP4-build31.2+ #124652#note-3
    • O2-1-2 0/100 failures on SLE15SP3+maintenance updates #124652#note-25
    • E2-2 DONE Run the equivalent openQA test on current Tumbleweed -> O2-2-1 Tumbleweed does not reproduce the problem, see #124652#note-26
    • E2-3 DONE Run the equivalent openQA test on current SLE15SP5 -> O2-3-1 #124652#note-32 5/101 (yast2_security) fails SLE15SP5@OSD
    • H2.1 ACCEPTED only happens in older SLE versions with newer maintenance updates
    • E2.1-1 DONE Run openQA test on SLE15-SP4 -> #124652#note-23 97% fail rate iscsi_server on SLE15-SP4
    • E2.1-2 DONE From #124652#note-24 Run openQA test on SLE15-SP3 with state of maintenance update from 2 years ago ("last good" https://openqa.suse.de/tests/5900202#step/yast2_control_center/94 from #Motivation) -> #124652-36 0/100 failures on SLE15SP3GM; 0/100 failures on SLE15SP2+updates -> accept H2.1

  • H3 ACCEPTED can only be reproduced in openQA

    • E3-1 DONE try to reproduce manually -> no one could reproduce manually
    • H3.1 REJECTED can be reproduced on openqa.suse.de regardless of OS version or variant
    • E3.1-1 DONE Run openSUSE openQA test on openqa.suse.de -> O3.1-1-1 #124652#note-32 0/101 fails Tumbleweed@OSD + 0/101 Leap15.4@OSD + 0/100 Leap15.5@OSD vs. 5/101 fails SLE15SP5@OSD

  • H4 ACCEPTED The test module(s) "iscsi_server/client" are most prone to fail, also shows in other yast modules

    • E4-1 DONE Gather statistics for different yast modules ->
    • O4-1-1 #124652#note-11 the problem was referenced for different modules, e.g. iscsi_server and yast2_security but no clear statistics
    • O4-1-2 #124652#note-23 97-99% fail rate iscsi_server on SLE15-SP4/5 vs. #124652#note-32 5% yast2_security on SLE15-SP5

Suggestions

  • It looks like window decorations are missing from the dialog
  • The emulated graphics adapter might be causing problems with the window manager
  • Research what options could be used with the graphics emulation in qemu
  • Identify the underlying parameter(s) in the openQA environment that can cause this graphical glitch.
  • Find a last good? We couldn't find one easily?
  • could be a VNC-related issue? Missing borders may occur there

Further details

Link to latest

Related issues 2 (0 open — 2 closed)

Related to qe-yam - action #128981: Run comparable test for the YaST glitch passing in O3 in OSDResolvedsyrianidou_sofia2023-05-09

Actions
Related to qe-yam - action #152065: Apply workaround for screen glitch in iscsi_clientResolvedhjluo2023-12-05

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