Some routers also do not support at all ports Gigabit. Comment on this change optional. If this bug is fixed in the mainline kernel, please add the following tags: January 9th, 5. I connected another gigabit capable pc to the witch and it works.

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If the mainline kernel does not fix the issue, please add the following tags: For details and our forum data attribution, retention and privacy policy, see here. I got a response from Guo-Fu Tseng: This bug affects 6 people. January 9th, 2.

January 10th, 9. Please execute the following command, as it will automatically gather debugging information, in a terminal: Selecting an MTU larger than bytes with the ifconfig 8 utility configures the adapter to receive and jmicro Jumbo Frames.

If you get gigabit speeds, then I would think perhaps naively it’s a bug in the linux driver jmkcron a bug elsewhere. Email me about changes to this bug report.


Driuchatyi Nikolay, it will help immensely if you filed a new report via a terminal: For more information on configuring this device, see ifconfig 8. Anyone got any idea how to solve this? Linud post a comment you must log in. This is jmc25 first time I have used this ethernet controller with a gigabit network, normally I use the laptop with wifi. See full activity log. Driuchatyi Nikolay, thank you for reporting this and helping make Ubuntu better. The accepted range is 1 to ; the default is 2.

jmicron jmc250 gigabit card not detected

My suggestion is to use non-IEEE Link is down [ The Trendnet unmanaged switch works fine at M with Windows 7. Driuchatyi Nikolay druchaty on On my Trusty system, jimcron card showed up as there but disabled – finding it with lshw -c network allowed me to ifconfig up the device and truck right on from there with no issues though with a funny devicename – p1p1 instead of eth0, but who cares, really.

Thank you for your understanding. I connected another gigabit capable pc to the witch and it works. Setting the network speed to mbit establishes a working mbit connection.


Download JMicron JMC/JMC PCI-E LAN Driver for Linux

I have sent an email to JMicron. Driuchatyi Nikolay, could you please test the latest upstream kernel available from the very top line at the top of the page from linus January 7th, 1. Have you made any progress on this since then? Installed on 2 days ago InstallationMedia: The switch is capable of: Status changed to Confirmed 2.

[all variants] jmc gigabit problem

I even tried the jmiceon from git and the same happens. To Be Filled By O. Laptop has the same ethernet controller. This might be a driver’s problem.