Eu tento iniciar o emulador, mas ele gera no log:

libGL error: unable to load driver: r600_dri.so 
libGL error: driver pointer missing 
libGL error: failed to load driver: r600 
libGL error: unable to load driver: swrast_dri.so 
libGL error: failed to load driver: swrast 
X Error of failed request:  GLXBadContext   
Major opcode of failed request:  155 (GLX)
Minor opcode of failed request: 6 (X_GLXIsDirect)
Serial number of failed request:  47
Current serial number in output stream:  46 
libGL error: unable to load driver: r600_dri.so 
libGL error: driver pointer missing 
libGL error: failed to load driver: r600 
libGL error: unable to load driver: swrast_dri.so 
libGL error: failed to load driver: swrast 
X Error of failed request:  GLXBadContext
Major opcode of failed request:  155 (GLX)
Minor opcode of failed request:  6 (X_GLXIsDirect)   
Serial number of failed request:  47   
Current serial number in output stream:  46 
libGL error: unable to load driver: r600_dri.so 
libGL error: driver pointer missing 
libGL error: failed to load driver: r600
libGL error: unable to load driver: swrast_dri.so 
libGL error: failed to load driver: swrast 
X Error of failed request:  BadValue (integer parameter out of range for operation)   
Major opcode of failed request:  155 (GLX)   
Minor opcode of failed request:  24 (X_GLXCreateNewContext)   
Value in failed request:  0x0   
Serial number of failed request:  33   
Current serial number in output stream:  34 
QObject::~QObject: Timers cannot be stopped from another thread emulator: WARNING: Increasing RAM size to 1GB

Como corrigi-lo? Eu li tópicos com erros semelhantes, mas isso não me ajuda.