Have the same problem here. Suspend. Turn on. Choose my alternative layout: Rus. Then plugin my USB keyboard and by that moment Rus changes to ???.
Actually it's not necessary to restart X to solve the problem.
You can open System->Preferences->Keyboard choose Layouts tab. You'll see 2 layouts there USA and Rus in my case. Remove Rus and add it again, that's all - you can work again.
Have the same problem here. Suspend. Turn on. Choose my alternative layout: Rus. Then plugin my USB keyboard and by that moment Rus changes to ???. >Preferences- >Keyboard choose Layouts tab. You'll see 2 layouts there USA and Rus in my case. Remove Rus and add it again, that's all - you can work again.
Actually it's not necessary to restart X to solve the problem.
You can open System-