[Expired for OpenStack Compute (nova) because there has been no activity
for 60 days.]
** Changed in: nova
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1572831
Title:
VM's go into error state when booted with SRIOV nic
Status in OpenStack Compute (nova):
Expired
Bug description:
VM's go into error state when booted with SRIOV nic
STeps to reproduce:
================
1.enable sriov in the bios in my case I have mellanox card with dual port nic
which shows up in the OS as eth4 and eth5
2.provide PCI whitelist in nova.conf
pci_passthrough_whitelist =
{"address":"*:04:00.*","physical_network":"physnet1"}
3.the mlx4_core file is set as options mlx4_core port_type_array=2,2
num_vfs=3,3,0 probe_vf=3,3,0 enable_64b_cqe_eqe=0 log_num_mgm_entry_size=-1
4.Its observed that 3 vm's went into eth4 vf's and 3 vm's went into eth5 vf's
the sequence is first vm landed on eth4 vf2 then 2nd on eth4 vf1 both were
up with ip assigned.3rd vm landed on eth5 vf5 bt state of VF remained in auto
state(if we manually set the state to enable then vm gets IP but nova fails to
do so hence vm goes into error state)
5.4th vm landed into eth5 again however nova was able to make state to enable
hence the vm got IP
5th vm landed on eth4 vf0 and it gt ip
This pattern is not certain.Every time vm goes into error the logs show the
below error
VirtualInterfaceCreateException: Virtual Interface creation failed
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