@Martin: after sudo dpkg-reconfigure plymouth I got: update-initramfs: Generating /boot/initrd.img-2.6.35-28-generic
After new start of the system I did not get the error message any more, but the boot process stops. But there had been some other update meanwhile as well. I see that the screen is triggered because it is not as dark as it is when switched off. If i remove the splash option in grub dialogue system starts as normal. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/649917 Title: GLIb-WARNING **: getpwid_r(): failed due to unknown user id -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs