Bug 2417041

Summary: [abrt] xorg-x11-server-Xorg: vncHooksUnrealizeCursor(): Xorg killed by SIGSEGV
Product: [Fedora] Fedora Reporter: Joao Carlos Mendes Luis <jonny>
Component: tigervncAssignee: Adam Jackson <ajax>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 42CC: ajax, jexposit, jgrulich, jonny, ofourdan, rstrode, xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/5887b12a68f94ddb3ceb411d0a5305fd024428f
Whiteboard: abrt_hash:6c45b3abbb91143cfe6810b0aa577fb70a27fa65;VARIANT_ID=xfce;
Fixed In Version: tigervnc-1.16.0-2.fc43 tigervnc-1.16.0-2.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-02-19 01:12:10 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: dso_list
none
File: open_fds
none
File: os_info
none
File: mountinfo
none
File: environ
none
File: backtrace
none
File: limits
none
File: cpuinfo
none
File: exploitable
none
File: maps
none
File: core_backtrace
none
File: proc_pid_status none

Description Joao Carlos Mendes Luis 2025-11-25 16:07:54 UTC 
Description of problem:
Again, 4th time today

Could it be because some updates I've done without rebooting?

Version-Release number of selected component:
xorg-x11-server-Xorg-21.1.18-1.fc42

Additional info:
reporter:       libreport-2.17.15
crash_function: vncHooksUnrealizeCursor
cgroup:         0::/system.slice/lightdm.service
backtrace_rating: 4
package:        xorg-x11-server-Xorg-21.1.18-1.fc42
runlevel:       N 5
journald_cursor: s=a78c664d9fe34b2da2768ad43d83700c;i=2a4a3e8;b=e04b08e6b51e4d69a71767df078d1a32;m=751cadcbeb;t=644475f009dee;x=a5a856b244e4afcb
reason:         Xorg killed by SIGSEGV
executable:     /usr/libexec/Xorg
rootdir:        /
kernel:         6.17.7-200.fc42.x86_64
cmdline:        /usr/libexec/Xorg -core -noreset :0 -seat seat0 -auth /run/lightdm/root/:0 -listen tcp vt1 -novtswitch
uid:            0
type:           CCpp

Truncated backtrace:
Thread no. 1 (1 frames)
 #0 vncHooksUnrealizeCursor at ../../include/privates.h:164
Comment 1 Joao Carlos Mendes Luis 2025-11-25 16:07:58 UTC 
Created attachment 2116194 [details]
File: dso_list
Comment 2 Joao Carlos Mendes Luis 2025-11-25 16:07:59 UTC 
Created attachment 2116195 [details]
File: open_fds
Comment 3 Joao Carlos Mendes Luis 2025-11-25 16:08:00 UTC 
Created attachment 2116196 [details]
File: os_info
Comment 4 Joao Carlos Mendes Luis 2025-11-25 16:08:02 UTC 
Created attachment 2116197 [details]
File: mountinfo
Comment 5 Joao Carlos Mendes Luis 2025-11-25 16:08:03 UTC 
Created attachment 2116198 [details]
File: environ
Comment 6 Joao Carlos Mendes Luis 2025-11-25 16:08:05 UTC 
Created attachment 2116199 [details]
File: backtrace
Comment 7 Joao Carlos Mendes Luis 2025-11-25 16:08:06 UTC 
Created attachment 2116200 [details]
File: limits
Comment 8 Joao Carlos Mendes Luis 2025-11-25 16:08:08 UTC 
Created attachment 2116201 [details]
File: cpuinfo
Comment 9 Joao Carlos Mendes Luis 2025-11-25 16:08:09 UTC 
Created attachment 2116202 [details]
File: exploitable
Comment 10 Joao Carlos Mendes Luis 2025-11-25 16:08:11 UTC 
Created attachment 2116203 [details]
File: maps
Comment 11 Joao Carlos Mendes Luis 2025-11-25 16:08:12 UTC 
Created attachment 2116204 [details]
File: core_backtrace
Comment 12 Joao Carlos Mendes Luis 2025-11-25 16:08:14 UTC 
Created attachment 2116205 [details]
File: proc_pid_status
Comment 13 Fedora Update System 2026-02-10 07:45:27 UTC 
FEDORA-2026-ecd6497813 (tigervnc-1.16.0-2.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ecd6497813
Comment 14 Fedora Update System 2026-02-10 07:45:38 UTC 
FEDORA-2026-1ba9a9facd (tigervnc-1.16.0-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1ba9a9facd
Comment 15 Fedora Update System 2026-02-11 01:10:55 UTC 
FEDORA-2026-1ba9a9facd has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-1ba9a9facd`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1ba9a9facd

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 16 Fedora Update System 2026-02-11 05:37:39 UTC 
FEDORA-2026-ecd6497813 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-ecd6497813`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ecd6497813

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
Comment 17 Fedora Update System 2026-02-19 01:12:10 UTC 
FEDORA-2026-1ba9a9facd (tigervnc-1.16.0-2.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.
Comment 18 Fedora Update System 2026-02-19 01:32:28 UTC 
FEDORA-2026-ecd6497813 (tigervnc-1.16.0-2.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.