Server Crash - IVP Failed

L 04/25/2015 - 20:52:32: Engine error: IVP Failed at /home/buildbot/buildslave/rel_hl2_linux/build/src/ivp/ivp_physics/…/ivp_utility/ivu_vhash.cxx 157
I got this error in the server logs and the server crashed.
OS : Linux centos 6.5 64 bit

Validate your cache files.

[editline]25th April 2015[/editline]

Also, Don’t make 2 threads for the same thing just cause it doesn’t get answered immediately.

Its server side
I need to validate the server files?