FETMX6ULC-V1.1核心板的网口1（eth1）故障

niuyang · 发表于 2020-7-10 10:13:40

本帖最后由 niuyang 于 2020-7-10 10:53 编辑

版主及各们网友好：

      有个现象困扰好多天了，特请教，请帮忙分析。

      我们最近在用FETMX6ULC-V1.1核心板做产品，发现一个现象：网口eth0正常，但网口1（eth1）不正常，具体表现如下：

      1. eth1必须插拔一下网线，才会检测有到有网络（RJ45的灯亮起）。
      2. 在eth1上用SSH当控制台运行应用程序、观察程序打印输出信息的过程中eth1会莫名地断掉，此时SSH没有信息输出了，但控制台串口有如下信息打印输出：

            root@freescale /opt$[29556.290008] libphy: 20b4000.ethernet:02 - Link is Down
            [29556.295293] imx-uart 21e8000.serial: Rx FIFO overrun
            [29556.300366] imx-uart 21e8000.serial: Rx FIFO overrun
            [29556.305478] imx-uart 21ec000.serial: Rx FIFO overrun
            [29610.310521] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29610.316501] imx-uart 21ec000.serial: Rx FIFO overrun
            [29612.319969] libphy: 20b4000.ethernet:02 - Link is Down
            [29619.320270] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29621.319968] libphy: 20b4000.ethernet:02 - Link is Down
            [29621.325253] imx-uart 21e8000.serial: Rx FIFO overrun
            [29621.330388] imx-uart 21f4000.serial: Rx FIFO overrun
            [29621.335450] imx-uart 21e8000.serial: Rx FIFO overrun
            [29621.340551] imx-uart 21f4000.serial: Rx FIFO overrun
            [29643.340402] libphy: 20b4000.ethernet:02 - Link is Up - 100/Full
            [29661.340020] libphy: 20b4000.ethernet:02 - Link is Down
            [29667.340307] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29669.339991] libphy: 20b4000.ethernet:02 - Link is Down
            [29669.345282] imx-uart 21e8000.serial: Rx FIFO overrun
            [29669.350406] imx-uart 21f4000.serial: Rx FIFO overrun
            [29669.355471] imx-uart 21e8000.serial: Rx FIFO overrun
            [29669.360573] imx-uart 21f4000.serial: Rx FIFO overrun
            [29678.360297] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29678.366278] imx-uart 21ec000.serial: Rx FIFO overrun
            [29678.371353] imx-uart 21ec000.serial: Rx FIFO overrun
            [29680.370086] libphy: 20b4000.ethernet:02 - Link is Down
            [29695.370322] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29697.370021] libphy: 20b4000.ethernet:02 - Link is Down
            [29697.375306] imx-uart 21e8000.serial: Rx FIFO overrun
            [29697.380380] imx-uart 21f4000.serial: Rx FIFO overrun
            [29710.380309] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29710.386286] imx-uart 21e8000.serial: Rx FIFO overrun
            [29710.391358] imx-uart 21f4000.serial: Rx FIFO overrun
            [29712.389955] libphy: 20b4000.ethernet:02 - Link is Down
            [29715.390352] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29715.396328] imx-uart 21e8000.serial: Rx FIFO overrun
            [29715.401441] imx-uart 21f4000.serial: Rx FIFO overrun
            [29715.406504] imx-uart 21e8000.serial: Rx FIFO overrun
            [29715.411609] imx-uart 21f4000.serial: Rx FIFO overrun
            [29717.410064] libphy: 20b4000.ethernet:02 - Link is Down
            [29717.415355] imx-uart 21ec000.serial: Rx FIFO overrun
            [29720.420762] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29722.420351] libphy: 20b4000.ethernet:02 - Link is Down
            [29737.420437] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29737.426411] imx-uart 21ec000.serial: Rx FIFO overrun
            [29739.430391] libphy: 20b4000.ethernet:02 - Link is Down
            [29774.430452] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29776.430363] libphy: 20b4000.ethernet:02 - Link is Down
            [29776.435649] imx-uart 21e8000.serial: Rx FIFO overrun
            [29776.440726] imx-uart 21f4000.serial: Rx FIFO overrun
            [29792.440334] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29794.440022] libphy: 20b4000.ethernet:02 - Link is Down
            [29811.440456] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29811.446427] imx-uart 21ec000.serial: Rx FIFO overrun
            [29813.449985] libphy: 20b4000.ethernet:02 - Link is Down
            [29870.450308] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29870.456281] imx-uart 21e8000.serial: Rx FIFO overrun
            [29870.461414] imx-uart 21f4000.serial: Rx FIFO overrun
            [29872.460010] libphy: 20b4000.ethernet:02 - Link is Down
            [29872.465299] imx-uart 21ec000.serial: Rx FIFO overrun
            [29880.470269] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29882.470558] libphy: 20b4000.ethernet:02 - Link is Down
            [29882.475848] imx-uart 21e8000.serial: Rx FIFO overrun
            [29882.480970] imx-uart 21f4000.serial: Rx FIFO overrun
            [29882.486035] imx-uart 21e8000.serial: Rx FIFO overrun
            [29882.491140] imx-uart 21f4000.serial: Rx FIFO overrun
            [29882.496198] imx-uart 21e8000.serial: Rx FIFO overrun
            [29882.501294] imx-uart 21f4000.serial: Rx FIFO overrun
            [29886.500322] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29888.499999] libphy: 20b4000.ethernet:02 - Link is Down
            [29906.500435] libphy: 20b4000.ethernet:02 - Link is Up - 10/Half
            [29908.500032] libphy: 20b4000.ethernet:02 - Link is Down
            [29910.500421] libphy: 20b4000.ethernet:02 - Link is Up - 100/Full
            [29910.506481] imx-uart 21e8000.serial: Rx FIFO overrun
            [29910.511562] imx-uart 21f4000.serial: Rx FIFO overrun

      核心板是在我们的产品板上运行的，以上现象在网口eth0上不存在，而对于以上eth1的故障我们换了三块核心板，情况都差不多。

倔强的土坷垃 · 发表于 2020-7-10 11:57:22

查看一下etc/network/inte**ces文件，默认是将ETH1屏蔽掉了。删除屏蔽再试一下。

倔强的土坷垃 · 发表于 2020-7-10 11:59:28

查看inte**ce文件

niuyang · 发表于 2020-7-10 12:43:41

应该是打开了，我刷的是console的文件系统，缺省就是打开的

root@freescale ~$ cat /etc/network/inte**ces
# /etc/network/inte**ces -- configuration file for ifup(8), ifdown(8)

# The loopback inte**ce
auto lo
iface lo inet loopback

# Wired or wireless inte**ces
auto eth0
iface eth0 inet static
address 192.168.0.232
netmask 255.255.255.0
gateway 192.168.0.1
broadcast 192.168.0.255

auto eth1
iface eth1 inet static
address 192.168.1.232
netmask 255.255.255.0
gateway 192.168.1.1
broadcast 192.168.1.255
root@freescale ~$

zhichao · 发表于 2020-7-11 08:32:17

您用我们的底板，烧我们的程序也这样吗

niuyang · 发表于 2020-7-13 14:40:11

本帖最后由 niuyang 于 2020-7-13 14:43 编辑

在我们自己的产品板上，核心板、内核和文件系统都飞凌的。没有买评估板。

zhichao · 发表于 2020-7-14 09:56:51

您可以检查一下硬件，看看是不是底板或线路问题

lianpan · 发表于 2020-7-20 10:34:41

您好, 问下你们问题解决了吗, 我们也碰到类似问题, eth0通eth1不通.

niuyang · 发表于 2020-8-25 09:57:18

本帖最后由 niuyang 于 2020-8-25 10:01 编辑

lianpan 发表于 2020-7-20 10:34
您好, 问下你们问题解决了吗, 我们也碰到类似问题, eth0通eth1不通.

还没有，暂时先用一个网口。以后想用第二个网口还挺悬。你们有解决吗？可以分享一下吗？
PCB布线的时候，eth0和eth1的布线情况差不多，线长也相差不大，但为什么结果不一样，感觉非常奇怪，按说100M网络布线应该没那么难处理吧。速度也不高啊。而且我们一共做了十个板子，情形都基本一样。

niuyang · 发表于 2020-9-10 17:45:46

各位，非常抱歉，我们的网线可能有问题，换了根网线问题似乎不存在了，正测试中，有消息再来更新。

Davy_Guo · 发表于 2023-8-22 18:41:24

同样的问题+1，真的会谢啊

Pushy · 发表于 7 天前

兄弟可以分享一下OKA40i-C的资料吗

[硬件咨询] FETMX6ULC-V1.1核心板的网口1（eth1）故障

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