----- Original Message ----- > On Tue, Apr 14, 2015 at 09:30:31AM -0600, Chris Murphy wrote: > > On Tue, Apr 14, 2015 at 3:07 AM, Bastien Nocera <bnocera@xxxxxxxxxx> wrote: > > > > > > > > > ----- Original Message ----- > > >> OK not everyone is on the same page, apparently. This bug was just > > >> closed by Anaconda as WONTFIX. > > >> > > >> suggested swap for laptop seems low > > >> https://bugzilla.redhat.com/show_bug.cgi?id=1037472 > > >> > > >> I don't see how hibernation works reliably with such a low default swap > > >> size. > > > > > > This isn't the way to fix it. The hibernation file/partition should > > > really be independent > > > of swap, because 1) you can't be sure how much swap will actually be used > > > by the applications > > > so you can't be sure you'll ever have enough swap to save the RAM 2) Too > > > much swap and the > > > (lack of) interactivity will make you want to advocate physical violence > > > when your machine > > > is unusable for an hour because of a hungry Javascript in your 50th > > > Firefox tab. > > > > Windows and OS X both use swapfiles rather than swap partition, and a > > sleep image file rather than a partition. OS X's swapfiles are > > dynamically created on demand in variable size increments. > I think the problem is in the ways filesystems are implemented. The > fs has to be mounted to access the swap file, and this can change the > fs, even with a read-only mount. Because we don't have > really-read-only fs mounting, we need to support swap-as-partition, so > we might just as well use it by default. > > > Both OS's have a feature that I find invaluable on a laptop which is > > the automatic switch from suspend-to-RAM to suspend-to-disk. > Yes, integrating with firmware would be great. So far this hasn't been > hapenning... > What we can do instead is use hybrid sleep. It's not smart at all, > and doesn't prevent your battery from draining completely, but it does > protect > your data. > > Systemd supports hybrid-sleep as another option analogous to suspend > and hibernation, so for anything using systemd to suspend swithing to > hybrid should be trivial. Maybe we should make this an F23 goal: > - use hybrid-sleep from Gnome and other DE by default Hybrid sleep as offered in systemd still is just suspend + hibernation, and the way we do hibernation is broken. Hybrid sleep is already the default on low battery with newer versions of UPower. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
