https://bugzilla.kernel.org/show_bug.cgi?id=216574 Bug ID: 216574 Summary: Hybrid System Suspend broken HP EliteBook 845 G8 (a.k.a. Hybrid Sleep / s2both) (s2idle Notebook) Product: Drivers Version: 2.5 Kernel Version: 6.0 Hardware: AMD OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Platform_x86 Assignee: drivers_platform_x86@xxxxxxxxxxxxxxxxxxxx Reporter: kolAflash@xxxxxxxxxxxx Regression: No Created attachment 302984 --> https://bugzilla.kernel.org/attachment.cgi?id=302984&action=edit kernel log for hybrid sleep with s2idle: v6.0 Hybrid Sleep isn't working on the HP EliteBook 845 G8 Notebook. Hybrid Sleep is documented here as "Hybrid System Suspend": https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/admin-guide/pm/sleep-states.rst?h=v6.0.1#n220 uswsusp called this s2both. (uswsusp is deprecated, but "Hybrid System Suspend" is currently supported by the kernel if I don't get the documentation wrong) This bug is forked off from: https://bugzilla.kernel.org/show_bug.cgi?id=216516#c34 I initiate Hybrid Sleep this way: echo suspend > /sys/power/disk echo disk > /sys/power/state But the system doesn't correctly enter Hybrid Sleep by activating s2idle. Instead the system seems to do just a hibernation to disk. So the system simply shuts down completely. At power on it resumes from swapfile. Correct behaviour would be to write the memory to swapfile (like hibernation to disk), but then enter s2idle. (the idea behind hybrid sleep is to prevent data loss if the battery is getting drained while being in some suspend to memory) The EliteBook 845 G8 (usually) only supports "s2idle" and no "deep" S3 mem_sleep mode. See: https://bugzilla.kernel.org/show_bug.cgi?id=216516#c5 Using "systemctl start hybrid-sleep.target" yields the same result. Please see attached dmesg output. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
