This will allow additional upstream developers to examine the issue. Email me about changes to this bug report. No upgrade log present probably fresh install dmi. On windows it automatically connects to the switch, but only with a mbit speed. January 9th, 5.

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Download full text If the latest kernel did not allow you to test to the issue ex.

Use the lower nibble of the chip revision number to get the full mask revision of the controller. I tried your procedure, but with no luck. As well, please do not announce in this report you created a new bug report. I have sent an email to JMicron.

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

This bug affects 6 people. If linu issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description: Router has Gigabit ethernet ports and laptop doesn’t see them. Bookmarks Bookmarks Digg del.


Helpful bug reporting tips: Driuchatyi Nikolay, to clarify, does the command mentioned in the Bug Description allow you to at least use the device at Mbps speeds: Driuchatyi Nikolay druchaty wrote on So your problem and hardware may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel not a mainline one via: Some routers also do not support at all ports Gigabit.

Anyone got any idea how to solve this? January 9th, 5.

My jmc network card seems to have problems with gigabit networks. Y-rcZ Please note, an error to install the kernel does not fit llinux criteria of kernel- bug-exists- upstream.

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

Jim, I “solved” the issue jmc20 disabling gigabit ethernet on the network card with: I found that it’s a bug of the JMC kernel module. Launchpad Janitor janitor wrote on Here’s the relevant lshw -c if you’re still interested, run after the above fix: The problem still persists.


For more on this, please read the official Ubuntu documentation: This is the first time I have used this ethernet controller with a gigabit network, normally I use the laptop with wifi.

Please provide a direct URL to your e-mail to the mailing list once you have made it so that it may be tracked via http: Mon Apr 21 This could have something to do with Energy Efficient Ethernet The time now is The number of times that eFuse can be safely reprogrammed is 16 at most. Setting the network speed to mbit establishes a working mbit connection.

Yes, “sudo ethtool -s eth0 speed duplex full” solved the problem. I got a response from Guo-Fu Tseng: I can confirm that the JMC driver “jme version 1.