[USRP-users] Run time issue with 3.14.1.1 (X300 with UBX)

Brian Padalino bpadalino at gmail.com
Mon Jan 13 10:18:07 EST 2020


On Mon, Jan 13, 2020 at 5:23 AM voonna santosh via USRP-users <
usrp-users at lists.ettus.com> wrote:

> Hi Sam,
>    I have managed to reproduce this issue and when it happens, here is the
> info you have asked for:
>
>
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group
> default qlen 1000
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>        valid_lft forever preferred_lft forever
>     inet6 ::1/128 scope host
>        valid_lft forever preferred_lft forever
> 2: enp3s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc mq state UP
> group default qlen 1000
>     link/ether 00:e0:4b:6b:0c:41 brd ff:ff:ff:ff:ff:ff
>     inet 192.168.40.20/24 brd 192.168.40.255 scope global noprefixroute
> enp3s0f0
>        valid_lft forever preferred_lft forever
>     inet6 fe80::2e0:4bff:fe6b:c41/64 scope link
>        valid_lft forever preferred_lft forever
> 3: enp3s0f1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state
> DOWN group default qlen 1000
>     link/ether 00:e0:4b:6b:0c:42 brd ff:ff:ff:ff:ff:ff
> 4: enp8s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state
> DOWN group default qlen 1000
>     link/ether 00:0c:8b:71:75:78 brd ff:ff:ff:ff:ff:ff
> 5: enp15s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP
> group default qlen 1000
>     link/ether 00:e0:4b:6b:0c:43 brd ff:ff:ff:ff:ff:ff
>     inet 192.168.10.20/24 brd 192.168.10.255 scope global noprefixroute
> enp15s0
>        valid_lft forever preferred_lft forever
>     inet6 fe80::2e0:4bff:fe6b:c43/64 scope link
>        valid_lft forever preferred_lft forever
> 6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> state DOWN group default qlen 1000
>     link/ether 52:54:00:07:9b:55 brd ff:ff:ff:ff:ff:ff
>     inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
>        valid_lft forever preferred_lft forever
> 7: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master
> virbr0 state DOWN group default qlen 1000
>     link/ether 52:54:00:07:9b:55 brd ff:ff:ff:ff:ff:ff
>

Usually when I see this happen, there has been a drop or an error on the
interface.

Can you also give the output using the -s flag, so ip -s a?

Look for some non-zero number in errors or dropped columns.

Brian
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