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** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1702798
Title:
colo: secondary vm can't receive any packet
Status in QEMU:
Incomplete
Bug description:
Following document 'COLO-FT.txt', I test colo feature on my hosts. It seems
goes well,but I found the secondary vm can't receive any packets. I attached
the process and find out the reason as follow, the filter-redirector(red0)
didn't flush it's queue because the secondary vm in migrate
state(RUN_STATE_INMIGRATE) :
int qemu_can_send_packet(NetClientState *sender)
{
int vm_running = runstate_is_running():
if (!vm_running) { // it will return false on the secondary vm
return 0;
}
------
}
How does it produce outbound packets in the secondary vm as it in migrate
state?
static void *qemu_kvm_cpu_thread_fn(void *arg)
{
------
do {
if (cpu_can_run(cpu)) { // it will return false on the secondary
vm
r = kvm_cpu_exec(cpu);
------
}
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