I've just upgraded my own pardus installation and I'm having almost the same problem as you. There's only one minor difference; I do get errors on the commandline:
ben@pardus ~ $ amdcccle
X Error: BadRequest (invalid request code or no such operation) 1
Extension: 148 (Uknown extension)
Minor opcode: 33 (Unknown request)
Resource id: 0x79
X Error: BadRequest (invalid request code or no such operation) 1
Extension: 148 (Uknown extension)
Minor opcode: 48 (Unknown request)
Resource id: 0x79
*** glibc detected *** double free or corruption (out): 0xafb71a00 ***
Geannuleerd
ben@pardus ~ $
Maybe someone else knows how to solve these,
Regards,
Ben
UPDATE: Have just rebooted and I am now in exactly the same situation as you are.