On Fri, 6 Jul 2018, at 5:31 PM, Michael Biebl wrote:
> Am 06.07.2018 um 17:02 schrieb [email protected]:
> >> -----Original Message-----
> >> From: Michael Biebl [mailto:[email protected]]
>
> >> If you have multiple swap partitions and you run
> >> echo "disk" > /sys/power/state
> >> which partition does the kernel use?
> >>
> >
> > Whichever one was configured in /sys/power/resume prior to running that
> > command.
> >
> > The kernel can't know which one /to/ hibernate to unless it was configured
> > in advance.
> > Just like the initramfs can't know which one to resume /from/ unless it
> > knew which one
> > it resumed to.
> >
>
> Joel, can you please tell us,
> - which partition you have configured in /etc/initramfs-tools/conf.d/resume
> - which partition you have configured in /sys/power/resume
> - the size of both swap partitions
>
$ cat /proc/swaps
Filename Type Size Used Priority
/dev/sdb4 partition 9752572 1473128 100
/dev/sda8 partition 6236156 0 10
$ blkid /dev/sdb4 /dev/sda8
/dev/sdb4: LABEL="Swap" UUID="0797ee37-d1b9-49ea-a865-c73682cd96a7" TYPE="swap"
PARTUUID="57f4c922-04"
/dev/sda8: UUID="84f3e7a4-c3af-4ac1-a789-cc554395a50b" TYPE="swap"
PARTUUID="170bc00e-08"
$ grep resume /boot/grub/grub.cfg|head -n 1
linux /vmlinuz-4.16.0-2-amd64
root=UUID=033d10f2-5402-4632-bed0-5e24842cf1b7 ro quiet splash
resume=UUID=84f3e7a4-c3af-4ac1-a789-cc554395a50b
$ cat /etc/initramfs-tools/conf.d/resume
cat: /etc/initramfs-tools/conf.d/resume: No such file or directory
$ cat /sys/power/resume
8:8
From the above (especially grub.cfg) you can see that the smaller,
lower-priority partition is set as the resume partition (this was actually an
oversight on my part when I installed the second drive). Do you think this
could be what's preventing hibernate from working properly?
Also, do you think it is significant that the
/etc/initramfs-tools/conf.d/resume file does not exist on my system?
-Joel
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