Comments (33)
i checked now PYNQ networking was not completely installed.
after changing eth0 file contents as following i was able to access pynq thorough browser.
auto eth0
iface eth0 inet dhcp
auto eth0:1
iface eth0:1 inet static
address 192.168.2.99
netmask 255.255.255.0
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i i upgraded the pynq and installed the latest networkking overlay from pynq which changed my eth0 file contests as following but still i am not able to access jupyter-notebook via browser.
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https://github.com/Xilinx/PYNQ-Networking/blob/master/setup.py#L62
The setup.py
should have made a copy in your system. You can recover using that.
For you issue, there are several things to do first:
1.upgrade your PYNQ image to v2.2:
sudo pip3.6 install --upgrade git+https://github.com/Xilinx/PYNQ.git
- then pip install the latest networking overlay.
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how to resolve this issue because without it i am not able to use this overlay.
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I need more information. Can you introduce a little more about your setup? Wireless, wired? Dynamic IP or static IP?
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i am using static ip and using wired setup following is the snapshot of the system.
from pynq-networking.
Is your snapshot showing the system before installing networking overlay? (if not can you attach the screenshot after installing networking overlay)
If so, it seems that the pynq networking has not been installed successfully. Otherwise you would be able to see br0
as an interface name shown there.
Also, after installing networking overlay, try reboot the board to see if br0
shows up.
I have not tried static IP with the networking overlay; however it should work as long as eth0:1
shows up correctly.
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no it is after installing the networking overlay actually i removed br0 line from eth0 file because with that i was unable to access my board from browser.
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@yunqu br0 is showing there but now i am unable to access jupyter notebook from browser .
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after trying i am able to solve connectivity issue with the following eth0 configuration.
But now when i run following code in jupyter notebook i got an Error shown on serial terminal.
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Kernel seems crashed. Maybe the br0
was assumed to be bridging on top of eth0
instead of the static eth0:1
. Instead of trying to resolve this issue by yourself, is it possible to plug in an Ethernet cable to your board, and start over again? Just want to make sure this is actually working before you want to play around the static IP.
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as per your instructions i tried it again by reinstalling but same issue that jupyter notebook is not accessible.
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it am stuck in this issue since a month.
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Let me confirm this: you used DHCP for your Ethernet connection on the board (say you have an assigned IP address a.b.c.d). Then are you able to directly type in that IP in your web browser to access it (assuming your PC is also connected to the same network)?
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no i am not using dhcp i have connected board directly to my PC.
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@jeffiy As I said, what you should try is to connect the board to the network directly, and use your PC to access the board using the dynamically assigned IP.
The br0
option installed by the networking overlay should not be changed. The kernel object file is dependent on that. I have been using the same br0
configuration and accessing jupyter notebook using the dynamic IP without any trouble.
Also, maybe reboot your board after installation.
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@jeffiy Have you configured the FPGA first? Also, if you're not the same person as @aniqurrehman, then please open a new issue, otherwise things get confused.
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@stephenneuendorffer what to configure in in FPGA.? i just installed the PYNQ-Networking overlay from git repository into my board.
no we are working together and having the same issue.
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If you really want to use the static IP to connect your board with PC, another hacky thing to try, is to get rid of the original eth0
DHCP and make eth0
IP static assigned (not eth0:1
), something like:
auto eth0
iface eth0 inet static
address 192.168.2.99
netmask 255.255.255.0
auto br0
iface br0 inet dhcp
bridge_ports eth0
Make sure you backup your original file /interface.d/eth0
.
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Thanks @yunqu i try this and then let you know.
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@yunqu i changed configuration as you mentioned but still not working.
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when i ping from both sides it says destination host unreachable.
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After booting the board, you should be able to connect to the jupyter web server. Can you do this? Can you run through the first three notebooks successfully (which don't use any FPGA acceleration)?
It looks like (based on @jeffiy's comment) that you're getting stuck on the fourth notebook. You have to run the first two cells in the notebook (which download the overlay) before the third. It looks like the kernel driver for the bridge IP is crashing, which shouldn't happen if the overlay has been downloaded. It doesn't surprise me that you run into problems after that point. We need to determine why the kernel driver is crashing.
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issue is that after booting the board, i am not able to connect to the jupyter web server. i cannot open it in browser.
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@jeffiy I think the configuration for eth0:1 needs to be updated too.
Please try this from the serial port:
sudo ifconfig eth0:1 down
sudo ifconfig br0:1 192.168.2.99
And then see if you can ping back and forth.
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@stephenneuendorffer Yes now i can open jupyter-notebook via browser.
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@stephenneuendorffer what was the problem and what should i do now?
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The problem is that when the bridge is enabled, the eth0 interface is no longer logically accessible independently of the bridge. As a side effect this means that the eth0:1 interface is not legal. To make the fix permanent, you can change the /etc/network/interfaces.d/eth0 file to replace 'eth0:1' with 'br0:1'. This file is processed by ifup to determine the correct ifconfig commands. @yunqu if this works we should patch things this way.
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Let me know if this is the fix: #9
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I have made changes as yoou mentioned but now i getting other errors.
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hi @yunqu and @stephenneuendorffer
what should i do now?
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Try assigning your PC static IP address.
https://pynq.readthedocs.io/en/v2.0/appendix.html#assign-your-computer-a-static-ip
Follow this link. Worked for me.
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I was able to fix the issue with the ethernet connection, I am using the latex image on the PYNQ-Z2 that is 3.0.1 on Windows 11 22H2.
I did not make changes to anything in the interfaces.d file.
I followed these steps:
- Open properties of ethernet adapter
- Click QoS Packet Scheduler, then click Configure button.
- Go to Advanced tab, and select the Speed & Duplex property
- Change its value to 10Mbps Full Duplex.
- Apply the settings and ping 192.168.2.99
You should now be able to access jupyter-notebook on 192.168.2.99.
Screenshot for reference
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