On Thu, 21.04.16 02:50, Michael Biebl (mbi...@gmail.com) wrote: > 2016-04-21 0:56 GMT+02:00 Michael Biebl <mbi...@gmail.com>: > > 2016-04-20 11:14 GMT+02:00 Lennart Poettering <lenn...@poettering.net>: > >> > >> Here's the heuristics code logind uses to check whether hibernation > >> shall be considered available or not: > >> > >> https://github.com/systemd/systemd/blob/master/src/shared/sleep-config.c#L229 > >> > >> i.e. it checks that the RAM size is smaller than 0.98 times the > >> currently unused swap space. > > > > Since we already have safety checks in place, would it make sense to > > include checking /proc/cmdline for resume= being set (at least for > > MBR)? > > I know, that the grub configuration might change after the boot, but > > this would be a rare case. > > On second thought, maybe not such a good idea as this would break > hibernate on alternate initramfs generators, like initramfs-tools, > which don't require resume= to be set on the kernel command line.
So, what does initramfs-tools do instead? Does it actively search for a hibernation partition? And how long does it look for one? Or does it write the resume partition into the initrd image? Lennart -- Lennart Poettering, Red Hat _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel
