On 5/25/21 2:37 PM, Babu Moger wrote: > Investigation so far. > 1. The test fails on AMD(Milan) systems. Test appears to pass on Intel > systems. Tested on old Intel system available here. Ten cents says that you have discovered that AMD returns a synthesized value for XINUSE[PKRU] and that write_pkru() is buggy. Any volunteers to fix the if (!pk) case in write_pkru() and see if the problem goes away? (Or at least to print something for the if (!pk) case and seee if it gets printed?) --Andy
