Comment # 1
on bug 99312
from John Bridgman
If you have not already done so, try disabling the watchdog timer: MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10 seconds, 0 = disable)"); module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444); As part of HSA/ROC development we dropped the priority of compute work relative to graphics which improved interactivity and *almost* eliminated timeouts without having to disable the timer - when I get back in the office I'll dig up the changes. In the meantime, I think disabling the timer will do what you need although you will still have sluggish graphics while long-running kernels are active. Lowering the priority of compute waves across the board won't be a fully general solution because there are going to be some cases (eg Valve's recent work with using high priority compute to improve VR smoothness) where compute will need to be *higher* priority than graphics but it should cover most cases other than "simultaneously running GROMACS and VR".
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