How to fix error when starting steam on arch?

Question

linux

Here is the error when starting steam

Steam: An X Error occurred
X Error of failed request:  BadWindow (invalid Window parameter)
Major opcode of failed request:  155
Resource id in failed request:  0x3000008
Serial number of failed request:  2857
xerror_handler: X failed, continuing
Steam: An X Error occurred
X Error of failed request:  BadWindow (invalid Window parameter)
Major opcode of failed request:  155
Resource id in failed request:  0x3000008
Serial number of failed request:  2862
xerror_handler: X failed, continuing
/home/buildbot/buildslave_steam/steam_rel_client_ubuntu12_linux/build/src/vgui2/src/surface_opengl.cpp (563) : Assertion Failed: glIsTexture( id )
Steam: An X Error occurred
X Error of failed request:  BadWindow (invalid Window parameter)
Major opcode of failed request:  155
Resource id in failed request:  0x3000008
Serial number of failed request:  2867
xerror_handler: X failed, continuing

How to fix