My problem was, during upgrade process from 8.10 a dependency (in my case debian-edu-artwork) remove the grub package and without this the post-installation script don't execute grub-upgrade.
I solved in this mode: manually removed debian-edu-artwork and reinstalled grub from synaptic. -- package linux-headers-2.6.28-11-generic 2.6.28-11.40 failed to install/upgrade: subprocess post-installation script returned error exit status 2 https://bugs.launchpad.net/bugs/355134 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
