Re: [Intel-gfx] [PATCH igt 2/2] lib: Remove illegal instructions from hang injection

On Mon, Aug 07, 2017 at 04:33:40PM +0300, Mika Kuoppala wrote: > Chris Wilson writes: > > > The idea behind using an illegal instruction was to hang the GPU must > > faster than simply using the recursive batch. However, we stopped doing > > so on gen8+ as the CS parser

Re: [Intel-gfx] [PATCH igt 2/2] lib: Remove illegal instructions from hang injection

Chris Wilson writes: > The idea behind using an illegal instruction was to hang the GPU must > faster than simply using the recursive batch. However, we stopped doing > so on gen8+ as the CS parser was much laxer and allowed the illegal > command through but still

[Intel-gfx] [PATCH igt 2/2] lib: Remove illegal instructions from hang injection

The idea behind using an illegal instruction was to hang the GPU must faster than simply using the recursive batch. However, we stopped doing so on gen8+ as the CS parser was much laxer and allowed the illegal command through but still interpreted the packet length (jumping over the recursive