Bug 2028716

Summary:	x2goagent segfault after upgrading to CentOS 8.5
Product:	[Fedora] Fedora EPEL	Reporter:	RHEL User <simon.gao>
Component:	x2goserver	Assignee:	Orion Poplawski <orion>
Status:	NEW ---	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	urgent	Docs Contact:
Priority:	unspecified
Version:	epel8	CC:	JONATHAN.SATTELBERGER, orion
Target Milestone:	---
Target Release:	---
Hardware:	x86_64
OS:	Linux
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Last Closed:		Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description RHEL User 2021-12-03 02:25:30 UTC

Description of problem:

After upgrading from 8.4 to 8.5, x2goagent segfaults when starting desktop environment. 

x2goagent segfaults with following error:

Dec  1 15:15:55 pc /usr/share/x2go/x2gofeature.d/x2goserver-x2goagent.features[198074]: x2goserver-x2goagent.features called with options: X2GOAGENT_RANDRXINERAMA
Dec  1 15:15:55 pc /usr/share/x2go/x2gofeature.d/x2goserver-x2goagent.features[198132]: x2goserver-x2goagent.features called with options: X2GO_XSESSION
Dec  1 15:15:56 pc kernel: x2goagent[197852]: segfault at 48 ip 000055e6083c9b7f sp 00007ffe79a66670 error 4 in nxagent[55e60826a000+439000]


Version-Release number of selected component (if applicable):

x2go packages installed:

x2goserver-common-4.1.0.3-9.el8.noarch
x2goagent-4.1.0.3-9.el8.x86_64
x2goclient-4.1.2.2-1.el8.x86_64
x2goserver-xsession-4.1.0.3-9.el8.noarch
x2goserver-4.1.0.3-9.el8.x86_64

OS: 4.18.0-348.2.1.el8_5.x86_64

How reproducible:

Steps to Reproduce:
1. Install minimal package group using CentOS 8.5 DVD
2. Group install "KDE Plasma Workspaces", "Xfce"
3. Install NVIDIA driver 470.86
4. Start x2goclient and make connection

Actual results:
X2go unable to start KDE or Xfce desktop environment. X2Go client starts and tries to launch KDE or Xfce DE, but it crashes and return to login window

Expected results:
X2Go client should be able to launch KDE or Xfce desktop environment successfully

Additional info:

Comment 1 RHEL User 2021-12-03 02:28:58 UTC

To rule out any upgrade issue, did a clean install on another physical machine with similar specification. See exact same problem.  In total, experienced and reproduced this problem on three different machines. So it's 100% reproducible.