Aitor, did you read the bug description? It's exactly the same as you describe -- the lockup only happens when a card is inserted.
-- Black screen + freeze when suspending or hibernating with mounted SD Card https://bugs.launchpad.net/bugs/464712 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