random computer freeze with screen corruption

Submitted by spa..@..bma.de

Assigned to Default DRI bug account

my computer randomly freezes. sadly there are no errors in kern.log / xorg.log related to it i can only reset the computer.

I've an Radeon HD 5750.

it always crashes for me, when i run https://github.com/abma/qvdpautest

are there some instructions how to debug such crashes/freezes? what info do you need?

i'm using Ubuntu 15.04 / amd64.

Version: 10.5

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