On Wed, 22 Nov 2023 11:10:10 +0000, Ganapatrao Kulkarni <gankulkarni@xxxxxxxxxxxxxxxxxxxxxx> wrote: > > > No change, still L1 hangs. Captured ftrace and the L1 is keep > looping/faulting around same address across kvm_entry and kvm_exits. > > It is a weird behavior, L1 is faulting and looping around MDCR and > AA64MMFR3_EL1 access in function __finalise_el2. I really can't see how this happens. There are no backward branches, and we don't seem to reach the ERET either. So something must affect the state after the trap of ID_AA64MMFR3_EL1. M. -- Without deviation from the norm, progress is not possible.
