arb_sampler_objects-framebufferblit: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/lib64/piglit/bin/arb_sampler_objects-framebufferblit - from package: piglit

You may install the required package with command yum install {package}

Error in other languages:
arb_sampler_objects-framebufferblit: bevel nie gevind nie
arb_sampler_objects-framebufferblit: comandă negăsită
arb_sampler_objects-framebufferblit: comando não encontrado
arb_sampler_objects-framebufferblit: commande introuvable
arb_sampler_objects-framebufferblit: command not found
arb_sampler_objects-framebufferblit: käsku ei ole
arb_sampler_objects-framebufferblit: không tìm thấy lệnh
arb_sampler_objects-framebufferblit: komanda nerasta
arb_sampler_objects-framebufferblit: Kommando nicht gefunden.
arb_sampler_objects-framebufferblit: kommandot finns inte
arb_sampler_objects-framebufferblit: komut yok
arb_sampler_objects-framebufferblit: nie znaleziono polecenia
arb_sampler_objects-framebufferblit: níor aimsíodh an t-ordú
arb_sampler_objects-framebufferblit: no se encontró la orden
arb_sampler_objects-framebufferblit: no s'ha trobat l'ordre
arb_sampler_objects-framebufferblit: opdracht niet gevonden
arb_sampler_objects-framebufferblit: parancs nem található
arb_sampler_objects-framebufferblit: perintah tidak ditemukan
arb_sampler_objects-framebufferblit: príkaz nenájdený
arb_sampler_objects-framebufferblit: příkaz nenalezen
arb_sampler_objects-framebufferblit: команда не найдена
arb_sampler_objects-framebufferblit: командата не е открита
arb_sampler_objects-framebufferblit: 命令找不到
arb_sampler_objects-framebufferblit: コマンドが見つかりません