LIBGL_DEBUG=verbose glxgears
libGL: XF86DRIGetClientDriverName: 5.2.0 r300 (screen 0)
libGL: OpenDriver: trying /usr/lib/X11/modules/dri/r300_dri.so
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 4, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:05.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 4, (OK)
drmOpenByBusid: drmOpenMinor returns 4
drmOpenByBusid: drmGetBusid reports pci:0000:01:05.0
Warning, xpress200 detected.
libGL warning: 3D driver claims to not support visual 0x4b
libGL error: 
Can't open configuration file /etc/drirc: No such file or directory.
libGL error: 
Can't open configuration file /home/zach/.drirc: No such file or directory.
X Error of failed request:  BadRequest (invalid request code or no such operation)
  Major opcode of failed request:  157 (DAMAGE)
  Minor opcode of failed request:  4 ()
  Serial number of failed request:  37
  Current serial number in output stream:  38