We should not raise any interrupt after VM has been stopped but this is what e1000 currently did when mit timer is active in pre_save(). Fixing this by scheduling a timer in post_load() which can make sure the interrupt was raised when VM is running.
Reported-and-tested-by: Longpeng <longpe...@huawei.com> Signed-off-by: Jason Wang <jasow...@redhat.com> --- hw/net/e1000.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/hw/net/e1000.c b/hw/net/e1000.c index 1dc1466..a023ceb 100644 --- a/hw/net/e1000.c +++ b/hw/net/e1000.c @@ -1381,11 +1381,6 @@ static int e1000_pre_save(void *opaque) E1000State *s = opaque; NetClientState *nc = qemu_get_queue(s->nic); - /* If the mitigation timer is active, emulate a timeout now. */ - if (s->mit_timer_on) { - e1000_mit_timer(s); - } - /* * If link is down and auto-negotiation is supported and ongoing, * complete auto-negotiation immediately. This allows us to look @@ -1423,7 +1418,8 @@ static int e1000_post_load(void *opaque, int version_id) s->mit_irq_level = false; } s->mit_ide = 0; - s->mit_timer_on = false; + s->mit_timer_on = true; + timer_mod(s->mit_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1); /* nc.link_down can't be migrated, so infer link_down according * to link status bit in mac_reg[STATUS]. -- 2.5.0