My guess is some function call to the graphics card is taking too long to return. As I reported, I had the same issues like you but starting from Karmic Alpha 5 onwards, the issue is gone at least for me but I hope for all others out there, too. I confirm that the patch one line in that link above works – I’m now running a custom 4. Please can some other people test this bug fix. Alexander Sack asac wrote on

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I confirm that the patch one line in that link above works – I’m now running a custom 4. And the ilnux Fix” section is wrong. As it could have interactions with the graphics driver, mine is: I followed the tutorial and I managed to get packet injection working on my WLAN; however, my ethernet connection isn’t working. Login to the desktop 3. As soon as I start clicking on windows, moving them or other interactions, the connection gets down.

It should be one, long line of text which includes the exact kernel version you’re running, as well as the CPU architecture. With the lknux setup it comes back rather quickly in seconds sometimes.


That’s the setup for the closed source driver. Results 1 to 10 of I’m still suffering this problem with the new kernel. I can do “modprobe b44” with no error, and b44 shows up in lsmod, but no ethernet. Prior to that wireless would randomly get kernel-level boot. I have never seen any notice on the fact that setting the speed limit at 10 Mbps makes the problem disappear.

Can some of you try to verify if “ethtool -A eth0 rx on tx on autoneg off” also resolves your problem there? Koen Beek koen-beek wrote on Now with connman I’m getting libux same symptoms as this issue. Is there any point in submitting a bug report, since it’s a known upstream issue? I libux up building a whole new kernel because I didn’t really know what I was doing, but it works now.

networking – Ethernet Network card BCMB0 no longer recognised? – Ask Ubuntu

Ok the fix mentioned in comment 89 was in the Natty kernels. This book contains many real life examples derived from the author’s experience as a Linux system and network administrator, trainer and consultant.

Exactly the same happens to the wireless card.


Sorry for spamming again. It tries to get an address from dhcp and at the end it disconnects. I never get disconnected when receiving large file from the internet. I will go for n44 other driver r to see what happens. Note In case bcmwl-kernel-source is upgraded, this procedure probably should be done again.

It’s not a hardware issue as it worked when I tested using a live CD from another distribution. Suspend your computer 4. See full activity log.

The information about this bug in Launchpad is automatically pulled daily from the remote bug. It plays the live tv, but as soon as I go to view the program guide, the ethernet interface goes up and down.

CONFIG_B44: Broadcom 4400 ethernet support

For anyone having lonux problem, I can confirm that disabling the desktop effects in KDE 4. Fixion fixion wrote on June 21st, 6. Both lights on the nic stay on permanently.

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