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Monitor/QMP: Don't allow cont on bad VM state

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We have two states where issuing cont before system_reset can
cause problems: RSTATE_SHUTDOWN (when -no-shutdown is used) and
RSTATE_PANICKED (which only happens with kvm).

This commit fixes that by doing the following when state is
RSTATE_SHUTDOWN or RSTATE_PANICKED:

 1. returning an error to the user/client if cont is issued
 2. automatically transition to RSTATE_PAUSED during system_reset

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2011-07-29 15:57:54 -03:00
parent 1354869c38
commit 6667b23f30
4 changed files with 16 additions and 0 deletions
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4
vl.c
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@ -1573,6 +1573,10 @@ static void main_loop(void)
cpu_synchronize_all_states();
qemu_system_reset(VMRESET_REPORT);
resume_all_vcpus();
if (runstate_check(RSTATE_PANICKED) ||
runstate_check(RSTATE_SHUTDOWN)) {
runstate_set(RSTATE_PAUSED);
}
}
if (qemu_powerdown_requested()) {
monitor_protocol_event(QEVENT_POWERDOWN, NULL);