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+# 2024-03-09 SITCON
+
+於 SITCON 社群攤位時，有人路過聊到筆電 suspend 時的問題。
+
+source: [[SOLVED] Trying to suspend causes a black screen and unable to resume / Kernel & Hardware / Arch Linux Forums](https://bbs.archlinux.org/viewtopic.php?id=290523)
+
+```
+echo 0 > /sys/power/pm_async
+```
+
+- (from brlin), https://askubuntu.com/questions/1215415/what-might-pm-trace-do-that-would-fix-a-suspend-resume-issue
+
+