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Add "Rework cache timestamps" patch to systemd

Authored by Staudey on Aug 28 2020, 5:25 PM.



Add "Rework cache timestamps" to systemd

Fixes this issue with systemd version 246, which at least Doctor_Junglist and I are experiencing. It manifests in extremely slow boot times (on my system it takes about 10x longer), random failed boot attempts and extremely high CPU utilization.
The patch fixes all of these issues on my system.

Test Plan

Rebooted several times to check the issue is gone, checked that the high CPU utilization has also disappeared, used my system for about half an hour to perform various tasks

Diff Detail

R2999 systemd
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

Staudey created this revision.Aug 28 2020, 5:25 PM
Staudey requested review of this revision.Aug 28 2020, 5:25 PM

I've tested the fix, and I can confirm that it fixes the issue. The system now boots without any issues (normal speed, and no failed boots).

JoshStrobl accepted this revision.Aug 28 2020, 6:01 PM
JoshStrobl added subscribers: DataDrake, JoshStrobl.

Not home until tomorrow night. Hopefully @DataDrake can land this before then and sync to stable+deltavac.

This revision is now accepted and ready to land.Aug 28 2020, 6:01 PM
DataDrake accepted this revision.Aug 28 2020, 7:18 PM

LGTM. Thanks!

This revision was automatically updated to reflect the committed changes.