From: Julien Muchembled Date: Tue, 29 Apr 2014 11:40:50 +0200 Subject: Add support for TuxOnIce hibernation systemd does not support non-mainline kernel features so upstream rejected this patch. It is however required for systemd integration by tuxonice-userui package. Forwarded: http://lists.freedesktop.org/archives/systemd-devel/2014-April/018960.html --- src/shared/sleep-config.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/shared/sleep-config.c b/src/shared/sleep-config.c index 69b3e35..5664752 100644 --- a/src/shared/sleep-config.c +++ b/src/shared/sleep-config.c @@ -973,6 +973,12 @@ static bool enough_swap_for_hibernation(void) { if (getenv_bool("SYSTEMD_BYPASS_HIBERNATION_MEMORY_CHECK") > 0) return true; + /* TuxOnIce is an alternate implementation for hibernation. + * It can be configured to compress the image to a file or an inactive + * swap partition, so there's nothing more we can do here. */ + if (access("/sys/power/tuxonice", F_OK) == 0) + return true; + r = find_hibernate_location(&hibernate_location); if (r < 0) return false;