Debug info for Kernel 4.20.0-042000 https://wiki.ubuntu.com/DebuggingKernelSuspend Debugging information to provide in the bug report
Kernel 4.20.0-042000 ===== 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. 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). System returned to normal operation after few seconds. 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). System returned to normal operation after few seconds. 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). System returned to normal operation after few seconds. 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). System returned to normal operation after few seconds. 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. suspend_stats output after successful restore at step 6 (devices) provided. Notably, on this kernel version system returns to normal operation at step 6 (echo devices > /sys/power/pm_test). On kernel 4.15.0.20.21, system does not restore. However, system still does not restore from step 10 (echo none > /sys/power/pm_test). ** Attachment added: "Debug files kernel 4.20.0-042000.zip" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1299007/+attachment/5225769/+files/Debug%20files%20kernel%204.20.0-042000.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
