On Tue, 2014-11-04 at 09:17 -0500, Jonathan Corbet wrote: > Just FYI, I tried out the F21 beta image in the vain hope that my resume > problems would have magically gone away. No such luck. In case anybody > is interested, here is what (little) I know... > > - Resume works great under F20. > > - Under F21, suspend seems to work fine, but there is no response to the > power button (or any other input). One has to hold the power button > until the firmware gets fed up and powers things down hard. > > - The kernel doesn't seem to matter; running an F20 kernel with F21 user > space still fails. > > - Booting with init=/bin/bash produces a system that will not resume > under either release; it fails in pretty much the same way. > Single-user mode, instead, resumes properly under F20. So some sort > of setup is happening that enables proper resume, but only on F20. > > - Running the F21 udev configuration on an F20 system still resumes > properly. > > - As far as I can tell, the configuration of wakeup events, as found in > sysfs, is the same on both systems. > > I'm pretty well mystified, but, given my general lack of skills in this > part of the system, that's not surprising. My next step, perhaps, is to > start disabling boot-time unit files until I find the one that makes > resume work, then try to see what's different under F21. But if anybody > has a better idea, I'm all ears.
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