Steam not working

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When I try and run Steam from the terminal I get the following errors:
[[email protected] ~]$ steam
/home/ian/.local/share/Steam/steam.sh: line 161: VERSION_ID: unbound variable
/home/ian/.local/share/Steam/steam.sh: line 161: VERSION_ID: unbound variable
Running Steam on antergos 64-bit
/home/ian/.local/share/Steam/steam.sh: line 161: VERSION_ID: unbound variable
STEAM_RUNTIME is enabled automatically
Installing breakpad exception handler for appid(steam)/version(1451690000)
libGL error: unable to load driver: i965_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: i965
libGL error: unable to load driver: i965_dri.so
libGL error: driver pointer missing
libGL error: failed to load driver: i965
libGL error: unable to load driver: swrast_dri.so
libGL error: failed to load driver: swrast

I have tried uninstalling it and reinstalling but it has made no difference. Anyone got any ideas?
Thanks,
Ian

https://bbs.archlinux.org/viewtopic.php?id=193802

Fixed it with a combination of the link posted by solus667 (thank you) and the following link:
https://manerosss.wordpress.com/2016/05/16/how-to-fix-steam-not-running-with-open-source-drivers-on-arch-linux/

Just had to re-install the games and it works fine.