Public bug reported: The r8168-dkms driver installs but there is no network connectivity and with ifconfig both RX and TX show 0 Bytes DHCP and Fixed.
kernel is 3.5.0-25-generic x86_64 x86_64 x86_64 GNU/Linux MB is GA-990FXA-UD7 CPU AMD 1100T stock clock RAM 8G lspci for r8111/8168B 06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06) Subsystem: Giga-byte Technology GA-EP45-DS5/GA-EG45M-DS2H Motherboard Flags: bus master, fast devsel, latency 0, IRQ 44 I/O ports at 9e00 [size=256] Memory at fd7ff000 (64-bit, prefetchable) [size=4K] Memory at fd7f8000 (64-bit, prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: r8168 Kernel modules: r8168, r8169 Disabling iommu in bios causes driver to work. ** Affects: r8168 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1132627 Title: r8168-dkms driver fails to connect with iommu enabled on amd 1100T To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/r8168/+bug/1132627/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs