AM335x EVM SK Network issue, please help!!!

Hi Biser

I use linux-3.2.0-psp04.06.00.08

Thanks

Kiros

Hi Biser

Thanks for your help.

I see the CPSW Driver's Guide, but i still have no idea.

Because I use default firmware ( kernel and drvier ) without modify.

I think the default firmware in AM335x EVM SK will work perfectly.

Do i need to modify some kernel feature or get some patches to fix this issue?

Thanks

Kiros

Hi Biser

The default firmware is already configured in dual standalone EMAC mode.

So i can see the eth0 and eth1.

But the issue is still exist. :(

Thanks

Kiros

Hi,

could you please post your /etc/network/interfaces

I know it is a very stupid thing but maybe starting from the bottom could help :-)

In my SK I don't have this problem

Hi,

/etc/network/interface ( I didn't modify anything )

# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface

auto lo

iface lo inet loopback

# Wireless interfaces

#

# Example of an unencrypted (no WEP or WPA) wireless connection

# that connects to any available access point:

#

iface wlan0 inet dhcp

        wireless_mode managed

        wireless_essid any

iface tiwlan0 inet dhcp

        wireless_mode managed

        wireless_essid any

#

#

# Same as above but locked to a specific access point:

#

#iface wlan0 inet dhcp

#       wireless_mode managed

#       wireless-essid some-essid

#

# A WEP encrypted connection locked to a specific access point:

#

#iface wlan0 inet dhcp

#       wireless-essid some-essid

#       wireless-key s:My-PlainText-Password

#       wireless-mode managed

#

# A WPA1 or WPA2 encrypted connection locked to a specific access point.

# This is the best option for non-roaming, single-network usage.

# Note that your card may require a firmware update to use WPA.

# Some distributions install a temporary volatile firmware update on ifup.

#

#iface wlan0 inet dhcp

#       wpa-essid some-essid

#       wpa-psk My-PlainText-Password

#

# A WPA1 or WPA2 encrypted connection using an external configuration file

# for wpa-supplicant. This is the way to go if you need to configure multiple

# networks with different keys and / or WPA settings and roaming support.

#

# iface wlan0 inet dhcp

#    wpa-conf /etc/wpa_supplicant.conf

#    wpa-driver hostap

iface atml0 inet dhcp

# Wired or wireless interfaces

auto eth0

iface eth0 inet dhcp

        pre-up /bin/grep -v -e "ip=[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+" /proc/cmdline > /dev/null

iface eth1 inet dhcp

# Ethernet/RNDIS gadget (g_ether)

# ... or on host side, usbnet and random hwaddr

iface usb0 inet dhcp

# Zaurus 2.4 Lineo net_fd; obsolete

iface usbd0 inet static

        address 192.168.129.201

        netmask 255.255.255.0

        network 192.168.129.0

        gateway 192.168.129.200

# iPAQ 2.4 mach-sa1100/usb-eth

# (192.168.0.202 is the iPAQ's IP, 192.168.0.200 is the host's IP)

iface usbf inet static

        address 192.168.0.202

        netmask 255.255.255.0

        network 192.168.0.0

        gateway 192.168.0.200

# Bluetooth networking

iface bnep0 inet dhcp

----------------------------------------------------------------------------------------------------------------------

Thanks

Kiros

try to add

auto eth1

just before

iface eth1 inet dhcp

Hi 

I think add auto eth1 just enable eth1 at startup.

i try to add and still have the same problem.

Here is the interface configuration

PHY: 0:00 - Link is Up - 100/Full

eth0    Link encap:Ethernet HWaddr D4:94:A1:89:36:D1

            inet addr:192.168.10.100 Bcast:192.168.10.255 Mask:255.255.255.0

PHY: 0:01 - Link is Up - 100/Full

eth1    Link encap:Ethernet HWaddr D4:94:A1:89:36:D2
            inet addr:192.168.20.151 Bcast:192.168.20.255 Mask:255.255.255.0

At first, i ping( fping can duplicate the issue fast) two interface and it's ok.

And then i ifconfig eth0 down, and i see eth1 also lost ping after several pings.

And i ifconfig eth0 up, they still lost ping. 

So i ifconfig eth0/eth1 down both. And ifconfig eth0/eth1 up again.

They work again.

What is your kernel psp version? 

Thanks

Kiros

I'm using the last realeas of psp:

linux-3.2.0-psp04.06.00.11

I'm sorry I  have no other ideas for now.

I think that if you don't use all the devices listed in your /etc/network/interfaces you can delete some of them and keep only eth0 and eth1 (copy that file before). I know they are very elementary  steps, but I know how it feels when something don't work :-)

Hi Giuseppe

Thanks for your information.

Try to keep only eth0 and eth1 in /etc/network/interfaces is not work.

I guess there is something wrong with cpsw driver.

Because i try to re-initialize some settings on cpsw_ndo_open when eth0 up again.

And ping will not be lost !!!

But there are still bugs on these settings, it will cause driver crash. 

So I still keep debugging.

And I will try to update the driver code with last kernel psp.

Thanks

Kiros