Re: USB Ethernet gadget seems doesn't work with current mainline

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hi,

On Fri, Nov 5, 2010 at 10:39 AM, Enric Balletbò i Serra
<eballetbo@xxxxxxxxx> wrote:
> Hello all,
>
> With current mainline and stable 2.6.35.y branch I've some strange
> features with USB ethernet gadget ...
>
>  root@igep0020:~# uname -a
>  Linux igep0020 2.6.37-rc1+ #1 Fri Nov 5 09:22:53 CET 2010 armv7l
> unknown unknown GNU/Linux
>
>  root@igep0020:~# ifconfig
>  usb0      Link encap:Ethernet  HWaddr 5A:A9:54:25:4C:04
>          inet addr:192.168.7.2  Bcast:192.168.7.255  Mask:255.255.255.0
>          inet6 addr: fe80::58a9:54ff:fe25:4c04/64 Scope:Link
>          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>          TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
>          collisions:0 txqueuelen:1000
>          RX bytes:0 (0.0 B)  TX bytes:4951 (4.8 KiB)
>
> Pinging seems not work
>
>  root@igep0020:~# ping -c5 192.168.7.1
>  PING 192.168.7.1 (192.168.7.1): 56 data bytes
>  --- 192.168.7.1 ping statistics ---
>  5 packets transmitted, 0 packets received, 100% packet loss
>
> Curiously if I unplug and plug the USB cable, and ping again ...
>
>  root@igep0020:~# ping -c5 192.168.7.1
>  PING 192.168.7.1 (192.168.7.1): 56 data bytes
>  64 bytes from 192.168.7.1: seq=0 ttl=64 time=0.397 ms
>  64 bytes from 192.168.7.1: seq=1 ttl=64 time=0.489 ms
>  64 bytes from 192.168.7.1: seq=2 ttl=64 time=0.397 ms
>  64 bytes from 192.168.7.1: seq=3 ttl=64 time=0.366 ms
>  64 bytes from 192.168.7.1: seq=4 ttl=64 time=0.396 ms
>
>  --- 192.168.7.1 ping statistics ---
>  5 packets transmitted, 5 packets received, 0% packet loss
>  round-trip min/avg/max = 0.366/0.409/0.489 ms
>
> Works, anyone knows if the ethernet gadget is broken in current
> mainline or have observed this feature ?

Please try this patch:
http://marc.info/?l=linux-usb&m=128576496614332&w=2

Report back if it works, maybe then that patch will finally get merged..
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