Both the desktop pc and the laptop are running fine now; It was a kernel bug that disappeared in recent releases.
Thanks, Riccardo ps. this bug doesn't lack any info ;) Only suggestion I got was unmounting my root partition and running fsck on it. -- Desktop freezes https://bugs.launchpad.net/bugs/123741 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs