Debug info for Kernel 4.15.0.20.21 https://wiki.ubuntu.com/DebuggingKernelSuspend Debugging information to provide in the bug report
Kernel 4.15.0.20.21 ===== 1. Issue occurs with resume from 'Suspend to ram' (not hibernate). 2. Suspend action initiated by clicking Suspend in the GUI. 3. Resume initiated by pressing power button on PC case. 4. Attached. 5. (echo freezer > /sys/power/pm_test) UI froze for few seconds. System returned to normal operation after few seconds. 6. (echo devices > /sys/power/pm_test) Display switched off for few seconds. Standby flashing LED on PC case not observed (remained in solid 'ON' state). Display switched on again - showed Gnome UI in the same state as immediately before suspend. System not responsive. Caps-lock button not responding; USB keyboard remove-reattach not effective. Rebooted manually (cycled power). After display switched on again; system started to respond to ping from network. Could not connect via ssh, despite being able to ping. 7. (echo platform > /sys/power/pm_test) Display switched off for few seconds. Standby flashing LED on PC case not observed (remained in solid 'ON' state). Display switched on again - showed Gnome UI in the same state as immediately before suspend. System not responsive. Caps-lock button not responding; USB keyboard remove-reattach not effective. Rebooted manually (cycled power). 8. (echo processors > /sys/power/pm_test) Display switched off for few seconds. Standby flashing LED on PC case not observed (remained in solid 'ON' state). Display switched on again - showed Gnome UI in the same state as immediately before suspend. System not responsive. Caps-lock button not responding; USB keyboard remove-reattach not effective. Rebooted manually (cycled power). 9. (echo core > /sys/power/pm_test) Display switched off for few seconds. Standby flashing LED on PC case not observed (remained in solid 'ON' state). Display switched on again - showed Gnome UI in the same state as immediately before suspend. System not responsive. Caps-lock button not responding; USB keyboard remove-reattach not effective. Rebooted manually (cycled power). 10. (echo none > /sys/power/pm_test) Display switched off. All fans powered off (CPU fan, PSU fan). Standby LED flashing on PC case. Resume initiated by pressing power button on PC case. Display remained off - LCD monitor standby LED flashing. System not responsive. Caps-lock button not responding; USB keyboard remove-reattach not effective. Rebooted manually (cycled power). 11. Unable to execute cat after reboot. sudo cat /sys/kernel/debug/suspend_stats cat: /sys/kernel/debug/suspend_stats: Operation not permitted ** Attachment added: "Debug files kernel 4.15.0.20.21.zip" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1299007/+attachment/5225768/+files/Debug%20files%20kernel%204.15.0.20.21.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1299007 Title: [ASUS Z87-PRO] suspend/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1299007/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
