Hi,
On Mon, Sep 7, 2015 at 2:46 PM, Patrik Flykt <[email protected]>
wrote:
>
> Hi,
>
> On Mon, 2015-09-07 at 10:34 +0200, laurent vaudoit wrote:
>
> > I've made some more debug, and now, i'm able to have lan1/lan2 up after
> > suspend/resume procedure.
>
> Sharing the solution with us would help quite a lot. What did you do to
> have lan1 and lan2 up after resume?
>
In fact, before entering in suspend mode, our software was doing an
ifconfig lan1/2 down, and i was not aware of this.
So, behaviour was "normal".
If in our software, we suppress this step, interface are up after resume.
>
> > I just have one more problem.
> > After resume, lan1 is shown as UP (checked by ip link show), but have no
> IP
> > adress.
> > After boot, lan1 get an IP through DHCP.
> > after suspend/resume, i do not get an IP (if i launch udhcpc command, ip
> is
> > get and everything works).
>
> If you leave udhcpc installed and running as well, nothing will work
> reliably. For the above I assume you started udhcpc manually just to
> check that the connection works.
>
yes, udhcpc command is just used for checking that connection available.
>
> Please give more information on what you were seeing and which actions
> you took. Starting for example with the output of 'ip link show'. And
> also explain what other networking or switch software you have enabled
> and/or running.
>
after boot, ip link show give this:
ifconfig lan1
lan1 Link encap:Ethernet HWaddr 00:10:02:5F:00:46
inet addr:172.24.239.127 Bcast:172.24.255.255 Mask:255.255.0.0
inet6 addr: fe80::210:2ff:fe5f:46/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:327 errors:0 dropped:108 overruns:0 frame:0
TX packets:25 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:31029 (30.3 KiB) TX bytes:3421 (3.3 KiB)
root@gad-pcm-mx6solo-dev:~# ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
DEFAULT
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: can0: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
3: can1: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
4: can2: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
5: can3: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
6: eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
7: lan1@eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UP mode DEFAULT
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
8: lan2@eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UP mode DEFAULT
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
after ifconfig lan1 down /up (i have the same problem with this
manipulation as with suspend/resume)
ifconfig lan1 down
connmand[800]: lan1 {RX} 3656 packets 324125 bytes
connmand[800]: lan1 {TX} 25 packets 3421 bytes
connmand[800]: lan1 {update} flags 36866 <DOWN>
connmand[800]: lan1 {newlink} index 7 address 00:10:02:5F:00:46 mtu 1500
connmand[800]: lan1 {newlink} indehrtimer: interrupt took 13334 ns
x 7 operstate 2 <DOWN>
connmand[800]: Failed to connect to serveIPv6: ADDRCONF(NETDEV_UP): lan1:
link is not ready
r 172.22.200.200
connmand[800]: lan1 {del} route fe80:: gw :: scope 0 <UNIVERSE>
connmand[800]: lan1 {del} route ff00:: gw :: scope 0 <UNIVERSE>
connmand[800]: lan1 {del} address 172.24.239.127/16 label lan1
root@gad-pcm-mx6solo-dev:~# ifconfig lan1 downdsa dsa.26 lan1: link down
root@gad-pcm-mx6solo-dev:~#
root@gad-pcm-mx6solo-dev:~# ifconfig lan1 up
connmand[800]: lan1 {RX} 4235 packets 368693 bytes
connmand[800]IPv6: ADDRCONF(NETDEV_UP): lan1: link is not ready
: lan1 {TX} 25 packets 3421 bytes
connmand[800]: lan1 {update} flags 36867 <UP>
connmand[800]: lan1 {newlink} index 7 address 00:10:02:5F:00:46 mtu 1500
connmand[800]: lan1 {newlink} index 7 operstate 3 <LOWER-LAYER-DOWN>
root@gad-pcm-mx6solo-dev:~# dsa dsa.26 lan1: link up, 100 Mb/s, full duplex
IPv6: ADDRCONF(NETDEV_CHANGE): lan1: link becomes ready
connmand[800]: lan1 {add} route ff00:: gw :: scope 0 <UNIVERSE>
connmand[800]: lan1 {add} route fe80:: gw :: scope 0 <UNIVERSE>
connmand[800]: lan1 {RX} 4238 packets 368903 bytes
connmand[800]: lan1 {TX} 25 packets 3421 bytes
connmand[800]: lan1 {update} flags 102467 <UP,RUNNING,LOWER_UP>
connmand[800]: lan1 {newlink} index 7 address 00:10:02:5F:00:46 mtu 1500
connmand[800]: lan1 {newlink} index 7 operstate 6 <UP>
root@gad-pcm-mx6solo-dev:~#
root@gad-pcm-mx6solo-dev:~# ifconfig lan1
lan1 Link encap:Ethernet HWaddr 00:10:02:5F:00:46
inet6 addr: fe80::210:2ff:fe5f:46/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4434 errors:0 dropped:1236 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:386168 (377.1 KiB) TX bytes:3819 (3.7 KiB)
root@gad-pcm-mx6solo-dev:~# ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
DEFAULT
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: can0: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
3: can1: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
4: can2: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
5: can3: <NOARP> mtu 16 qdisc noop state DOWN mode DEFAULT qlen 10
link/can
j1939 off
6: eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
7: lan1@eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UP mode DEFAULT
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
8: lan2@eth0: <BROADCAST,MULTICAST,DYNAMIC,UP,LOWER_UP> mtu 1500 qdisc
noqueue state UP mode DEFAULT
link/ether 00:10:02:5f:00:46 brd ff:ff:ff:ff:ff:ff
On the board, we use iproute2 (with linux-can J1939 patch), also
avahi-daemon, and connamn (normally launch by systemd, but for test, i
launch it manually)
thanks for your help
>
> Cheers,
>
> Patrik
>
> __
>
Regards
Laurent
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