I am having a similar problem. Live CD and install have been fine but during restart following a suspend or hibernate the ethernet does not come back.
Normal lspci -vvnn: 03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 02) Subsystem: Dell Unknown device [1028:0278] Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 219 Region 0: I/O ports at be00 [size=256] Region 2: Memory at fd8ff000 (64-bit, non-prefetchable) [size=4K] Region 4: Memory at fdef0000 (64-bit, prefetchable) [size=64K] [virtual] Expansion ROM at fde00000 [disabled] [size=128K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Address: 00000000fee0f00c Data: 413a Capabilities: [70] Express Endpoint IRQ 1 Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <512ns, L1 <8us Device: AtnBtn- AtnInd- PwrInd- Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop- Device: MaxPayload 128 bytes, MaxReadReq 512 bytes Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s L1, Port 0 Link: Latency L0s <512ns, L1 <64us Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch- Link: Speed 2.5Gb/s, Width x1 Capabilities: [b0] MSI-X: Enable- Mask- TabSize=2 Vector table: BAR=4 offset=00000000 PBA: BAR=4 offset=00000800 Capabilities: [d0] Vital Product Data After restart from suspend: 03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev ff) (prog-if ff) !!! Unknown header type 7f Needless to say eth0 fails -- RTL8102EL NIC driver oops during Hardy boot https://bugs.launchpad.net/bugs/223656 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs