[Yahoo-eng-team] [Bug 1853259] [NEW] performance gaps on detect crashed instance

2019-11-20 Thread ya.wang
Public bug reported: Description === If a QEMU process crashed(oom, etc.), libvirt will send an event which say the instance stopped, and in detail say the instance stopped failed. But nova only handle the stop event, it not check the detail. When event handler receive a stopped event,

[Yahoo-eng-team] [Bug 1845146] [NEW] NUMA aware live migration failed when vCPU pin set

2019-09-24 Thread ya.wang
Public bug reported: Description === When vCPU pin policy is dedicated, the NUMA aware live migration may go failed. Steps to reproduce == 1. Create two flavor: 2c2g.numa; 4c.4g.numa (venv) [root@t1 ~]# openstack flavor show 2c2g.numa ++--

[Yahoo-eng-team] [Bug 1844211] [NEW] nova compute service failed to start when cpu_model_extra_flags seted

2019-09-16 Thread ya.wang
Public bug reported: Description === The nova compute service failed to start when use libvirt drive and cpu_model_extra_flags set. Steps to reproduce == * set [default]/compute_driver = libvirt.LibvirtDriver * set [libvirt]/cpu_model_extra_flags = aes * restart nova co

[Yahoo-eng-team] [Bug 1818183] [NEW] non-admin user live migration failed due to auth token expire

2019-02-28 Thread ya.wang
Public bug reported: Description === When non-admin live migration take a long time, the keystone auth token may expire, that cloud cause post step fail. Steps to reproduce == 1. Allow non-admin user to perform live migration 2. Set a breakpoint in _post_live_migration me