My F19 live images have progressed to the point where I can build one that boots and installs - excellent. However, if I leave an installed F19 VM idle at a logged-in desktop until the screen blanks, then try to wake it up again, the screen stays blank. Switching to a VT works, and if I run 'DISPLAY=:0 gnome-shell --replace' , gnome-shell restarts and I can see the desktop again. It looks like some kind of error in the screenShield.js code, according to a bunch of error messages I found in journalctl. The timestamps on these match up nicely with the attempt to unlock the screen; there are no similar messages before that time. Mar 20 02:33:58 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:33:58 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:33:58 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:33:58 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:33:58 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:33:59 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:33:59 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:33:59 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:33:59 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:33:59 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:02 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:02 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:02 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:02 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:02 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:03 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:04 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:04 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:04 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:04 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '606' Mar 20 02:34:04 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:606 Mar 20 02:34:05 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! Exception was: Error: Expected type gunichar for Argument 'c' but got type 'number' (nil) Mar 20 02:34:05 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! message = '"Expected type gunichar for Argument 'c' but got type 'number' (nil)"' Mar 20 02:34:05 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! fileName = '"/usr/share/gnome-shell/js/ui/screenShield.js"' Mar 20 02:34:05 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! lineNumber = '611' Mar 20 02:34:05 localhost.localdomain /etc/gdm/Xsession[1221]: JS ERROR: !!! stack = '"([object GObject_Object],[object GObject_Union])@/usr/share/gnome-shell/js/ui/screenShield.js:611
This is with gnome-shell-3.7.92-1.fc19.x86_64 . On my 'dirty' desktop system I haven't noticed this, but then I just remembered, I don't have screen locking enabled. If I manually lock the screen, it goes black, moving the mouse wakes it up. I can't hit 'esc' to raise the shield (which I should be able to), but dragging it upward manually works, then I can enter the password and unlock okay. If I manually lock the VM, I don't see the bug either, but I do see the 'esc doesn't work' bug. So it seems like the timeout is somehow significant to this bug...
If I enable locking on my desktop, I can reproduce the bug there too, with the same JS ERRORs.
I'm uploading my latest live image to assist in debugging this. It will be complete at: http://fedorapeople.org/groups/qa/20130320-desktop-x86_64.iso in approx. 50 minutes (it's currently there, but still uploading, so incomplete). sha256sum is: 38ffc3ca990f4d111f2e2e5c4a185358ef665f2bfaa9513b849102658a5e79d1
Duplicated bug 923386 and bug 923364 ?
*** This bug has been marked as a duplicate of bug 923364 ***