Michael Neuling <mi...@neuling.org> writes: > On POWER9 DD2.1 and below, it's possible to get Machine Check > Exception (MCE) where only DSISR bit 33 is set. This will result in > the linux MCE handler seeing an unknown event, which triggers linux to > crash.
Why do we get a machine check with just one bit set, and why is it OK to just treat it as handled without doing anything? Is it just entirely spurious? cheers
