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Hello,
I've got a problem with hibernation (I think it is systemd hibernation, I use the gnome 3 extension "hibernate status button"). It doesn't happen always, just sometimes, when I hibernate. The PC shuts down correctly, but after 3-10 seconds it is powering up again. My mainboard is an asrock z77 extreme4 and I think I disabled everything in the BIOS that seems to cause boot events. I've even used scripts that disable the enabled devices listed on /proc/acpi/wakeup as you can see here:
$ cat /proc/acpi/wakeup
Device S-state Status Sysfs node
CIR S3 *disabled
PS2K S4 *disabled
PS2M S4 *disabled
UAR1 S4 *disabled pnp:00:06
P0P1 S4 *disabled
USB1 S3 *disabled
USB2 S3 *disabled
USB3 S3 *disabled
USB4 S3 *disabled
USB5 S3 *disabled
USB6 S3 *disabled
USB7 S3 *disabled
RP01 S4 *disabled pci:0000:00:1c.0
RP02 S4 *disabled
RP03 S4 *disabled
RP04 S4 *disabled pci:0000:00:1c.3
RP05 S4 *disabled pci:0000:00:1c.4
RP06 S4 *disabled pci:0000:00:1c.5
BR40 S4 *disabled pci:0000:05:00.0
RP07 S4 *disabled pci:0000:00:1c.6
RP08 S4 *disabled pci:0000:00:1c.7
PEG0 S4 *disabled pci:0000:00:01.0
PEGP S4 *disabled
PEG1 S4 *disabled
PEG2 S4 *disabled
PEG3 S4 *disabled
GLAN S4 *disabled
EHC1 S4 *disabled pci:0000:00:1d.0
EHC2 S4 *disabled pci:0000:00:1a.0
XHC S4 *disabled pci:0000:00:14.0
HDEF S4 *disabled pci:0000:00:1b.0
How can I find out what causes the restart of the PC? Is there any kind of information stored anywhere?
A second problem I have is that the resume sometimes fails, but less often than my first problem. This means, that the grub bootloader shows up, tries to boot with resume, the boot fails, reboots, grub shows again and the system boots as usual (without resume). What can I do against resume failures and how can I find out what was going wrong? Journalctl doesn't seem to show me any errors of it. I actually only see the log since the last boot. I've set the swap partition as resume parameter into the grub configuration and updated grub.
Kind regards,
Daniel
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