It looks like this has been fixed upstream. I will close it. If the problem still occurs, please reopen it.
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/331699 Title: Realtek RTL8111/8169 LAN (r8169) falls back from Gigabit to 100Mb/s after waking up from Suspend(S3) Status in Linux: Fix Released Status in linux package in Ubuntu: Invalid Bug description: System Environment: http://www.sysprofile.de/id42117 Mainboard: Gigabyte GA-P35-DS3P Component: Realtek 8111/8169 LAN with r8169 driver OS: Always the latest stable Ubuntu The Problem: When I boot the PC, Ubuntu connects at 1000Mb/s but after waking up from suspend to ram (S3) the connection speed is only 100Mb/s. That occurs in Ubuntu 8.10 and 9.04 Alpha 4. I use a reliable Gigabit router and Cat6 cables, so that should not be the reason. More Info: http://ubuntuforums.org/showthread.php?t=579312 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/331699/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp