Here is a section of the greeter log:
[+0.10s] DEBUG: Wrote 18 bytes to daemon [+0.11s] DEBUG: main-window.vala:184: Screen is 3200x1200 pixels [+0.11s] DEBUG: main-window.vala:190: Monitor 0 is 1920x1200 pixels at 0,0 [+0.11s] DEBUG: main-window.vala:190: Monitor 1 is 1280x800 pixels at 320,200 [+0.11s] DEBUG: main-window.vala:190: Monitor 2 is 1280x1024 pixels at 1920,176 [+0.11s] DEBUG: unity-greeter.vala:543: Showing greeter [+0.11s] DEBUG: unity-greeter.vala:228: Showing main window [+0.14s] DEBUG: background.vala:483: Regenerating backgrounds [+0.14s] DEBUG: background.vala:68: Making background /usr/share/backgrounds/warty-final-ubuntu.png at 1920x1200,1280x800,1280x1024 [+0.14s] DEBUG: background.vala:159: Error loading background: Failed to open file '/usr/share/backgrounds/warty-final-ubuntu.png': No such file or directory [+0.16s] DEBUG: unity-greeter.vala:586: Starting main loop [+0.16s] DEBUG: Read 8 bytes from daemon [+0.16s] DEBUG: Read 32 bytes from daemon [+0.16s] DEBUG: Ignoring prompt authentication with invalid sequence number 1 [+0.16s] DEBUG: background.vala:68: Making background /media/al/cde35ee1-efc0-44b2-b5f4-c30b17758612/al/old-picture/3-Abstract-Colors-3200x1200.jpg at 1920x1200,1280x800,1280x1024 [+0.16s] DEBUG: background.vala:159: Error loading background: Failed to open file '/media/al/cde35ee1-efc0-44b2-b5f4-c30b17758612/al/old-picture/3-Abstract-Colors-3200x1200.jpg': Permission denied [+0.16s] DEBUG: Read 8 bytes from daemon [+0.16s] DEBUG: Read 32 bytes from daemon [+0.16s] DEBUG: Prompt user with 1 message(s) [+0.47s] DEBUG: main-window.vala:184: Screen is 4480x1200 pixels [+0.47s] DEBUG: main-window.vala:190: Monitor 0 is 1280x1024 pixels at 0,0 [+0.47s] DEBUG: main-window.vala:190: Monitor 1 is 1280x800 pixels at 1280,0 [+0.47s] DEBUG: main-window.vala:190: Monitor 2 is 1920x1200 pixels at 2560,0 [+0.47s] DEBUG: menubar.vala:537: Adding indicator object 0x1af89d0 at position 0 [+0.48s] DEBUG: menubar.vala:537: Adding indicator object 0x1af8710 at position 0
At first the monitor layout is correct, and then it is reset to default.
Here is a section of the greeter log:
[+0.10s] DEBUG: Wrote 18 bytes to daemon vala:184: Screen is 3200x1200 pixels vala:190: Monitor 0 is 1920x1200 pixels at 0,0 vala:190: Monitor 1 is 1280x800 pixels at 320,200 vala:190: Monitor 2 is 1280x1024 pixels at 1920,176 vala:543: Showing greeter vala:228: Showing main window vala:483: Regenerating backgrounds backgrounds/ warty-final- ubuntu. png at 1920x1200, 1280x800, 1280x1024 vala:159: Error loading background: Failed to open file '/usr/share/ backgrounds/ warty-final- ubuntu. png': No such file or directory vala:586: Starting main loop al/cde35ee1- efc0-44b2- b5f4-c30b177586 12/al/old- picture/ 3-Abstract- Colors- 3200x1200. jpg at 1920x1200, 1280x800, 1280x1024 vala:159: Error loading background: Failed to open file '/media/ al/cde35ee1- efc0-44b2- b5f4-c30b177586 12/al/old- picture/ 3-Abstract- Colors- 3200x1200. jpg': Permission denied vala:184: Screen is 4480x1200 pixels vala:190: Monitor 0 is 1280x1024 pixels at 0,0 vala:190: Monitor 1 is 1280x800 pixels at 1280,0 vala:190: Monitor 2 is 1920x1200 pixels at 2560,0
[+0.11s] DEBUG: main-window.
[+0.11s] DEBUG: main-window.
[+0.11s] DEBUG: main-window.
[+0.11s] DEBUG: main-window.
[+0.11s] DEBUG: unity-greeter.
[+0.11s] DEBUG: unity-greeter.
[+0.14s] DEBUG: background.
[+0.14s] DEBUG: background.vala:68: Making background /usr/share/
[+0.14s] DEBUG: background.
[+0.16s] DEBUG: unity-greeter.
[+0.16s] DEBUG: Read 8 bytes from daemon
[+0.16s] DEBUG: Read 32 bytes from daemon
[+0.16s] DEBUG: Ignoring prompt authentication with invalid sequence number 1
[+0.16s] DEBUG: background.vala:68: Making background /media/
[+0.16s] DEBUG: background.
[+0.16s] DEBUG: Read 8 bytes from daemon
[+0.16s] DEBUG: Read 32 bytes from daemon
[+0.16s] DEBUG: Prompt user with 1 message(s)
[+0.47s] DEBUG: main-window.
[+0.47s] DEBUG: main-window.
[+0.47s] DEBUG: main-window.
[+0.47s] DEBUG: main-window.
[+0.47s] DEBUG: menubar.vala:537: Adding indicator object 0x1af89d0 at position 0
[+0.48s] DEBUG: menubar.vala:537: Adding indicator object 0x1af8710 at position 0
At first the monitor layout is correct, and then it is reset to default.