I was using a Sony Vaio SR29VN and when I tried to resume from suspension, the laptop would reboot instead of resuming. I understand that this may affect other models, however, I don't have a list.
Luckily it's easy to fix: we need to add
acpi_sleep=nonvs kernel option to the grub settings.
Edit (with root permissions) the line
GRUB_CMDLINE_LINUX on the file
/etc/default/grub, adding the option
Then run this on the command line: