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器件型号：AM6442 尊敬的 TI 团队：
在 AM64x EVM 和 AM65x EVM 上、我注意到如果我为 eth0分配静态 IP 地址(通过更改/etc/network/interfaces 并重新引导)、则 eth0在引导时不会分配静态 IP。 网卡仍然未配置、但可以通过两次发出"ifdown eth0 && ifup eth0"来修复(一次似乎没有执行)。
请参阅下面的 AM64x EVM 控制台日志、其中显示 eth0已关闭、直到我连续发出 ifdown/ifup 两次：
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| | _| .'| . | . | | __| _| . | | | -_| _| _|
|__|__|_| |__,|_ |___| |__| |_| |___|_| |___|___|_|
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Arago Project http://arago-project.org am64xx-evm ttyS2
Arago 2020.09 am64xx-evm ttyS2
[ 16.478620] omap_rng 40910000.rng: Random Number Generator ver. 241b34c
[ 16.611492] icssg-prueth icssg1-eth: TI PRU ethernet driver initialized: single EMAC mode
[ 17.427651] usbcore: registered new interface driver usbfs
[ 17.478077] usbcore: registered new interface driver hub
[ 17.515878] usbcore: registered new device driver usb
[ 17.936466] remoteproc remoteproc10: powering up 300b4000.pru
[ 17.950552] remoteproc remoteproc10: Booting fw image ti-pruss/am65x-sr2-pru0-prueth-fw.elf, size 36316
[ 17.965024] remoteproc remoteproc10: unsupported resource 5
[ 17.976961] remoteproc remoteproc10: remote processor 300b4000.pru is now up
[ 17.989697] remoteproc remoteproc11: powering up 30084000.rtu
[ 18.005061] remoteproc remoteproc11: Booting fw image ti-pruss/am65x-sr2-rtu0-prueth-fw.elf, size 29944
[ 18.033018] remoteproc remoteproc11: remote processor 30084000.rtu is now up
[ 18.052946] remoteproc remoteproc12: powering up 3008a000.txpru
[ 18.068431] remoteproc remoteproc12: Booting fw image ti-pruss/am65x-sr2-txpru0-prueth-fw.elf, size 35916
[ 18.085055] remoteproc remoteproc12: remote processor 3008a000.txpru is now up
[ 18.102406] pps pps1: new PPS source ptp2
[ 18.122100] TI DP83869 300b2400.mdio:0f: attached PHY driver [TI DP83869] (mii_bus:phy_addr=300b2400.mdio:0f, irq=POLL)
[ 18.141192] net eth2: started
am64xx-evm login: root
Password:
root@am64xx-evm:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 metric 1
inet6 fe80::f684:4cff:fef9:7d1a prefixlen 64 scopeid 0x20<link>
ether f4:84:4c:f9:7d:1a txqueuelen 1000 (Ethernet)
RX packets 86 bytes 7878 (7.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 25 bytes 4186 (4.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 metric 1
ether 70:ff:76:1e:29:1a txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth2: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 metric 1
ether 70:ff:76:1e:29:1b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 metric 1
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 82 bytes 6220 (6.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 82 bytes 6220 (6.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@am64xx-evm:~# ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1): 56 data bytes
ping: sendto: Network is unreachable
root@am64xx-evm:~# ifdown eth0 && ifup eth0 && ifdown eth0 && ifup eth0
ifdown: interface eth0 not configured
[ 64.606611] am65-cpsw-nuss 8000000.ethernet eth0: Link is Down
[ 64.702978] TI DP83867 8000f00.mdio:00: attached PHY driver [TI DP83867] (mii_bus:phy_addr=8000f00.mdio:00, irq=POLL)
[ 64.716307] am65-cpsw-nuss 8000000.ethernet eth0: Link is Down
root@am64xx-evm:~# [ 67.802461] am65-cpsw-nuss 8000000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off
[ 67.810979] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
root@am64xx-evm:~# ping 192.168.10.1
PING 192.168.10.1 (192.168.10.1): 56 data bytes
64 bytes from 192.168.10.1: seq=0 ttl=128 time=1.609 ms
64 bytes from 192.168.10.1: seq=1 ttl=128 time=1.423 ms
64 bytes from 192.168.10.1: seq=2 ttl=128 time=1.411 ms
64 bytes from 192.168.10.1: seq=3 ttl=128 time=1.179 ms
^C
--- 192.168.10.1 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 1.179/1.405/1.609 ms
root@am64xx-evm:~# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 metric 1
inet 192.168.10.2 netmask 255.255.0.0 broadcast 192.168.255.255
inet6 fe80::f684:4cff:fef9:7d1a prefixlen 64 scopeid 0x20<link>
ether f4:84:4c:f9:7d:1a txqueuelen 1000 (Ethernet)
RX packets 268 bytes 28611 (27.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 75 bytes 11457 (11.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 metric 1
ether 70:ff:76:1e:29:1a txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth2: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 metric 1
ether 70:ff:76:1e:29:1b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 metric 1
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 82 bytes 6220 (6.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 82 bytes 6220 (6.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
