I observed the problems with both Ubuntu 13.04 and now with 13.10 64-bit running on an Acer V5-122P laptop (quad-core AMD A6-1450):
1. Shutdown doesn't work anymore. At some point the animation halts and the system stops to react to key presses (freeze). Rebooting instead of shutting down works, however. I remember these problems from the past (on a 486), but I thought they were long fixed. I'm not so glad to see that they're back again.
The system has a relatively fast SSD as the only drive. It could be that IO is too fast at some point (race condition), but I doubt that is the reason.
2. An annoying glitch - the missing hibernation. I managed to turn it on and it works nicely as expected. However, the option to hibernate when closing the lid remains missing and that sucks! Like many other notebooks the acer has a key combination to put it to sleep. This works and I use it when I need suspend to RAM. When I close the lid, however, I would like it to hibernate as I put it away for days or even weeks afterwards. I miss that option. Of course, selecting hibernate works - but it's a bore. A minor glitch if you want, but an inexplicable one. What's so dramatic about providing an option for hibernation (on closing the lid) on a "use at your own risk" basis?
Cheers,
LC
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