Cc'ing avocado-devel for test idea. On 1/28/21 3:31 PM, michael.nawrocki--- via wrote: > The SCR_EL3 register reset value (0) and the value produced when > writing 0 via the scr_write function (set as writefn in the register > struct) differ. This causes migration to fail. > > I believe the solution is to specify a raw_writefn for that register. > > Failing invocation: > $ qemu-system-arm -machine vexpress-a9 -cpu cortex-a9 -nographic > QEMU 5.2.0 monitor - type 'help' for more information > (qemu) migrate "exec:cat > img" > (qemu) q > $ qemu-system-arm -machine vexpress-a9 -cpu cortex-a9 -nographic -incoming > "exec:cat img" > qemu-system-arm: error while loading state for instance 0x0 of device 'cpu' > qemu-system-arm: load of migration failed: Operation not permitted > > > Mike Nawrocki (1): > target/arm: Add raw_writefn to SCR_EL3 register > > target/arm/helper.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >