Sorry, I am wrong.
Previously, I set "resume=LABEL=Swap" at grub `GRUB_CMDLINE_LINUX` param, and got error msg `kernel: PM: Image not found (code -16)` and resume failed.
After change to set `resume=/dev/xxx-to-swap`, resume works.
But although resume succeeds, error msg `kernel: PM: Image not found (code -16)` still appears in the syslog sometimes.
Sorry, I am wrong. LINUX` param, and got error msg `kernel: PM: Image not found (code -16)` and resume failed. /dev/xxx- to-swap` , resume works.
Previously, I set "resume=LABEL=Swap" at grub `GRUB_CMDLINE_
After change to set `resume=
But although resume succeeds, error msg `kernel: PM: Image not found (code -16)` still appears in the syslog sometimes.