Quoting Mika Kuoppala (2019-05-08 13:18:06) > Chris Wilson <[email protected]> writes: > > > If the HW fail to ack a change in forcewake status, the machine is as > > good as dead -- it may recover, but in reality it missed the mmio > > updates and is now in a very inconsistent state. If it happens, we can't > > trust the CI results (or at least the fails may be genuine but due to > > the HW being dead and not the actual test!) so reboot the machine (CI > > checks for a kernel taint in between each test and reboots if the > > machine is tainted). > > > > Signed-off-by: Chris Wilson <[email protected]> > > Cc: Mika Kuoppala <[email protected]> > > Cc: Tvrtko Ursulin <[email protected]> > > Sounds and looks reasonable. Should we also taint if we have > unclaimed mmio after init sequence?
The unclaimed mmio throws a WARN so it naturally gets the add_taint(TAINT_WARN) and CI reboots already. Otherwise, yes :) -Chris _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
