Bug 1902819

Summary: systemd (pid 1) segfaults at system shutdown or reboot
Product: [Fedora] Fedora Reporter: Adam Williamson <awilliam>
Component: systemdAssignee: systemd-maint
Status: CLOSED RAWHIDE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: unspecified    
Version: rawhideCC: fedoraproject, filbranden, flepied, kasong, lnykryn, msekleta, robatino, ssahani, s, systemd-maint, yuwatana, zbyszek, z
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Hardware: All   
OS: Linux   
Whiteboard: openqa
Fixed In Version: systemd-247.1-1.fc34 Doc Type: If docs needed, set a value
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Last Closed: 2020-12-01 11:34:47 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 1829022    

Description Adam Williamson 2020-11-30 18:57:33 UTC 
In current Rawhide, with systemd-247-1.fc34, systemd (pid 1) frequently segfaults on system shutdown or reboot.

openQA is running into this in several tests. Most obviously base_service_manipulation, which involves enabling/disabling services and rebooting several times, e.g. here's one such failure:

https://openqa.fedoraproject.org/tests/732376#step/base_service_manipulation/11

but it's also hitting other tests too sometimes. Several tests have to do a clean shutdown so they can upload disk images for other tests to use, and these are frequently hitting this bug too.

damjan says it's likely upstream issue https://github.com/systemd/systemd/issues/17768 that should be fixed by https://github.com/systemd/systemd/pull/17785 , but this is such a critical issue I don't really want to backport an unreviewed PR myself.

Proposing as a Beta blocker per "It must be possible to trigger a clean system shutdown using standard console commands" - https://fedoraproject.org/wiki/Basic_Release_Criteria#Shutdown
Comment 1 Adam Williamson 2020-11-30 20:10:48 UTC 
In https://openqa.fedoraproject.org/tests/7324005 I believe we hit a segfault on `systemctl isolate graphical.target`.
Comment 2 Zbigniew Jędrzejewski-Szmek 2020-12-01 11:34:47 UTC 
Should be OK now.