05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
Subsystem: Elitegroup Computer Systems Device 90b3
Flags: bus master, fast devsel, latency 0, IRQ 2300
I/O ports at 4000 [size=256]
Memory at f60000 5a8 00 (64-bit, prefetchable) [size=4K]
Memory at f4000000 (64-bit, prefetchable) [size=64K]
[virtual] Expansion ROM at f4010000 [disabled] [size=64K]
Capabilities: [40] Power Management version 7
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
Capabilities: [70] Express Endpoint, MSI 01
Capabilities: [ac] MSI-X: Enable- Mask- TabSize=2
Capabilities: [cc] Vital Product Data <?>
Capabilities: [100] Advanced Error Reporting <?>
Capabilities: [140] Virtual Channel <?>
Capabilities: [160] Device Serial Number 00-00-ff-ff-00-00-01-64
Kernel driver in use: r8169
Kernel modules: r8169

Each time before my Ubuntu 9.04 Loading, This error message displaying,I compiled the Driver which I downloaded form the Realtek's websites but the problem still exists!I need help!Does anyone know how to solve this problem?