On Tue, Jun 25, 2019 at 03:59:57PM +0300, Ilya Maximets wrote: > On 25.06.2019 15:41, Flavio Leitner wrote: > > On Tue, Jun 25, 2019 at 03:37:09PM +0300, Ilya Maximets wrote: > >> On 25.06.2019 15:20, Flavio Leitner wrote: > >>> On Tue, Jun 25, 2019 at 01:07:53PM +0300, Ilya Maximets wrote: > >>>> On 25.06.2019 0:15, Flavio Leitner wrote: > >>>>> On Mon, Jun 24, 2019 at 06:28:37PM +0300, Ilya Maximets wrote: > >>>> BTW, it's system dependent if ip/route information preserved on tap > >>>> device detaching. I have a few systems, where 'ovs-appctl exit' > >>>> leads to DOWN state for preserved internal ports and consequently > >>>> loosing their IP addresses. On a few other systems this doesn't happen. > >>> > >>> I haven't seen any bug reports yet related to that. Do you happen to > >>> know the kernel and OvS versions? > >> > >> I see this with OVS master and Linux 4.2.6: > >> > >> # ip addr add 192.168.114.20/24 dev ovsdpdk_br0 > >> # ip addr show dev ovsdpdk_br0 > >> 43: ovsdpdk_br0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc > >> pfifo_fast state UP group default qlen 500 > >> link/ether f2:20:dc:bf:7d:44 brd ff:ff:ff:ff:ff:ff > >> inet 192.168.114.20/24 scope global ovsdpdk_br0 > >> valid_lft forever preferred_lft forever > >> > >> # ovs-appctl -t ovs-vswitchd exit > >> > >> # ip addr show dev ovsdpdk_br0 > >> 43: ovsdpdk_br0: <BROADCAST,MULTICAST,PROMISC> mtu 1500 qdisc pfifo_fast > >> state DOWN group default qlen 500 > >> link/ether f2:20:dc:bf:7d:44 brd ff:ff:ff:ff:ff:ff > >> > >> The same scenario on RHEL7 keeps the interface in NO-CARRIER,UP state and > >> preserved ip address. > >> > >> I don't think that it's OVS. It looks more like a kernel issue. > > > > Sounds like that. > > If you start OvS again, does it bring the device UP? > > Nope. It stays DOWN just like the newly created one.
Interesting, I will see if I can recreate the issue here as well. fbl _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
