On Lucid final, after upgrade from Karmic, I have the same problem of
plymouth hanging the system after boot. But if I hit ESC key when
booting so plymouth is exited, system boots fine.
I'm using nvidia-current (195.36.15) instead of nouveau.
--
[lucid] Plymouth hangs at boot
Public bug reported:
When using chattr +e on files that don't already use extents alfter
converting filesystem from ext3 to ext4
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
Architecture: i386
ArecordDevices:
List of CAPTURE
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/34091089/AlsaDevices.txt
** Attachment added: AplayDevices.txt
http://launchpadlibrarian.net/34091090/AplayDevices.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/34091091/BootDmesg.txt
**