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Diffstat (limited to 'results/scraper/launchpad-without-comments/1702798')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1702798 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1702798 b/results/scraper/launchpad-without-comments/1702798 new file mode 100644 index 00000000..0198a8a0 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1702798 @@ -0,0 +1,22 @@ +colo: secondary vm can't receive any packet + +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); + ------ +} \ No newline at end of file |