Timebase save uses a random number for a legacy vmstate field, which
makes rr snapshot loading unbalanced. The easiest way to deal with this
is just to skip the rng if record-replay is active.
Reviewed-by: Pavel Dovgalyuk <pavel.dovgal...@ispras.ru>
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
hw/ppc/ppc.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
index a0ee064b1d..87df914600 100644
--- a/hw/ppc/ppc.c
+++ b/hw/ppc/ppc.c
@@ -32,6 +32,7 @@
#include "qemu/main-loop.h"
#include "qemu/error-report.h"
#include "sysemu/kvm.h"
+#include "sysemu/replay.h"
#include "sysemu/runstate.h"
#include "kvm_ppc.h"
#include "migration/vmstate.h"
@@ -976,8 +977,14 @@ static void timebase_save(PPCTimebase *tb)
return;
}
- /* not used anymore, we keep it for compatibility */
- tb->time_of_the_day_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST);
+ if (replay_mode == REPLAY_MODE_NONE) {
+ /* not used anymore, we keep it for compatibility */
+ tb->time_of_the_day_ns = qemu_clock_get_ns(QEMU_CLOCK_HOST);
+ } else {
+ /* simpler for record-replay to avoid this event, compat not needed */
+ tb->time_of_the_day_ns = 0;
+ }
+
/*
* tb_offset is only expected to be changed by QEMU so
* there is no need to update it from KVM here
--
2.40.1
