[Wine] Wow crach.. I use bumblebee to activate nvidia optimus

[snarus]

i installed bumblebee to be able to use the nvidia geforce 310m  via optimus.
https://github.com/MrMEEE/bumblebee

When I try to run wow thus:  optirun /usr/bin/wine Launcher.exe  -opengl

I get this message:

[mb at h45n1-t-a11 World of Warcraft]$ optirun /usr/bin/wine Launcher.exe 
fixme:process:GetLogicalProcessorInformation (0x32e504,0x32eb04): stub
X Error of failed request:  BadPixmap (invalid Pixmap parameter)
  Major opcode of failed request:  54 (X_FreePixmap)
  Resource id in failed request:  0x4e000eb
  Serial number of failed request:  1026
  Current serial number in output stream:  1041

Does someone know what to do?