Comment 0 for bug 2042912

[Impact]
System hangs and no external output after unplug/plug DP monitor. (AMD Radeon Pro W7500)
Observed a bunch of [Hardware Error] messages and finally amdgpu crashed.

[Fix]
AMD provides a patch to fix the issue
https://www.spinics.net/lists/amd-gfx/msg99737.html

[Testcase]
1. Connect the DUT to an external DP monitor via one of the ports on the AMD graphics card
2. Boot into Ubuntu
3. Unplug the DP cable from the DUT
4. Wait for 30 seconds
5. Replug in the DP cable
6. Make sure the system doesn't hang and the external DP monitor works

[Where probles could occur]