Re: [ovirt-users] R: Re: Network instability after upgrade 3.6.0 -> 3.6.1

Il 04/02/2016 16.55, Dan Kenigsberg ha scritto: >On Wed, Jan 06, 2016 at 08:45:16AM +0200, Dan Kenigsberg wrote: >>On Mon, Jan 04, 2016 at 01:54:37PM +0200, Dan Kenigsberg wrote: >>>On Mon, Jan 04, 2016 at 12:31:38PM +0100, Stefano Danzi wrote: >>>>I did some tests: >>>> >>>>kernel-3.10.0-327.3.1.el7.x86_64 -> bond mode 4 doesn't work (if I detach >>>>one network cable the network is stable) >>>>kernel-3.10.0-229.20.1.el7.x86_64 -> bond mode 4 works fine >>>Would you be kind to file a kernel bug in bugzilla.redhat.com? >>>Summarize the information from this thread (e.g. your ifcfgs and in what >>>way does mode 4 doesn't work). >>> >>>To get the bug solved quickly we'd better find paying RHEL7 customer >>>subscribing to it. But I'll try to push from my direction. >>Stefano has been kind to open >> >> Bug 1295423 - Unstable network link using bond mode = 4 >> https://bugzilla.redhat.com/show_bug.cgi?id=1295423 >> >>which we fail to reproduce on our own lab. I'd be pleased if anybody who >>experiences it, and their networking config to the bug (if it is >>different). Can you also lay out your switch's hardware and >>configuration? >Stefano, could you share your /proc/net/bonding/* files with us? >I heard about similar reports were the bond slaves had mismatching >aggregator id. Could it be your case as well? > Here: [root@ovirt01 ~]# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: IEEE 802.3ad Dynamic link aggregation Transmit Hash Policy: layer2 (0) MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 802.3ad info LACP rate: slow Min links: 0 Aggregator selection policy (ad_select): stable Active Aggregator Info: Aggregator ID: 2 Number of ports: 1 Actor Key: 9 Partner Key: 1 Partner Mac Address: 00:00:00:00:00:00 Slave Interface: enp4s0 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 2 Permanent HW addr: **:**:**:**:**:f1 Slave queue ID: 0 Aggregator ID: 1

Actor Churn State: churned Partner Churn State: churned Actor Churned Count: 4 Partner Churned Count: 5 details actor lacp pdu: system priority: 65535 port key: 9 port priority: 255 port number: 1 port state: 69 details partner lacp pdu: system priority: 65535 oper key: 1 port priority: 255 port number: 1 port state: 1 Slave Interface: enp5s0 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 1 Permanent HW addr: **:**:**:**:**:f2 Slave queue ID: 0 Aggregator ID: 2