GPU hang trying to run OpenCL kernels on x86_64

[Michel Dänzer]

On 2018-05-24 12:06 AM, Luís Mendes wrote:
> I've tried Linux 4.17-rc6 with Ubuntu 18.04 on Tyan S7002 and I am not even
> able see lightdm/gdm3 as system hangs when starting X.
> Having SR-IOV enabled or disabled makes no difference.
> Tested with AMD RX 460.
> When X is supposed to start the system hangs and only a rectangular region
> on the top left corner screen remains with console text messages from the
> boot process while the remaining of the screen is just black. I am unable
> to do anything with the keyboard, switching to console does not work,
> ctrl-alt-del also doesn't work. I've to do a cold reset.

Can you isolate which change introduced this new issue with git bisect?


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer