User switching worked fine for me, both to another user and back again. But when really logging out of the "other" account I didn't get the gdm prompt I expected. Instead I immediately saw a part of the screen that should be hidden by the gdm prompt, and instead of showing the gdm prompt a big part of the screen was black. With two displays with different size it seemed like the size of one display was used for drawing on the other. Blindly choosing the user and entering worked and I got logged back in correctly. Later I saw similar behaviour with the screen saver password prompt. I saw that behaviour discussed on IRC the other day but found no Fedora issue to track it - here it is. It is discussed and solved upstream at https://bugzilla.gnome.org/show_bug.cgi?id=657869 . I built a mutter with the upstream patch and I can confirm that it solves the user switching issue too.
That is f16 + updatest-testing: mutter-3.1.91.1-1.fc16.x86_64 cogl-1.7.8-1.fc16.x86_64 gdm-3.1.90-1.fc16.x86_64 xorg-x11-drv-intel-2.16.0-2.fc16.x86_64 I propose this as a beta blocker - mostly to get some attention as NTH.
if you want it to be nth, propose it as NTH. I don't think the impact is severe enough to poke beta any more, though. remember, for desktop stuff, we only care about things people are likely to hit on the live image; for post-install, an update is a perfectly good fix.
i vote -1 blocker, btw.
Ok, that makes sense.
I see some strange issues with my patched mutter too. It is apparently not enough to make user switching work. Could we get a fixed mutter in updates-testing soon so I can do some testing on an "official" setup?
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