forcedeth broken powermanagement/irq handling ?

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Hello
I am runnig a 2.6.16.1 kernel on a DFI LP NF4 SLI-DR Expert mobo, which has an nvidia chipset with onboard nic. The nic works fine with the forcedeth driver, perfomance is ok (good). The system is a x86_64 FC5 install on a dual core opteron 170 cpu with 2GB (2x1GB in dual channel) of Ram installed. When I suspend the machine using ACPI S3 or swsup and resume it the network is dead. I cannot recive an packages. ifdown / ifup does not help. Restarting the network using /sbin/service network restart also does not get network working. Unloading and loading the driver (modprobe -r forcedeth;modprobe forcedeth) has the same result-> dead network. I have to reboot in order to get the network working again. I have a static IP so no dhcp issue. This makes suspend useles on my box, because I have to reboot anyway to get my network working. What could be causing this? If there is any info that I can provide to help fixing this bug tell me.
I also noticed this (don't know if it is related or not but doubt it):
cat /proc/interrupts
          CPU0       CPU1
 0:     640968     628532    IO-APIC-edge  timer
 1:       4763       4745    IO-APIC-edge  i8042
 8:          0          0    IO-APIC-edge  rtc
 9:          0          0   IO-APIC-level  acpi
14:       1552       1082    IO-APIC-edge  ide0
15:      44443      44261    IO-APIC-edge  ide1
16:      57625      44633   IO-APIC-level  libata
17:     972904          0   IO-APIC-level  eth0
...
why does all interupts of eth0 (forcedeth) goes to cpu 0 and never to 1 ? irqbalance is running.
lspci output:
00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a3)
00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev a3)
00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a3)
00:06.0 IDE interface: nVidia Corporation CK804 IDE (rev a2)
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev a3)
00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev a2)
00:0a.0 Bridge: nVidia Corporation CK804 Ethernet Controller (rev a3)
00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 01:09.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller (rev 80) 01:0a.0 Ethernet controller: Marvell Technology Group Ltd. 88E8001 Gigabit Ethernet Controller (rev 13)
01:0b.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 0a)
01:0b.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 0a) 05:00.0 VGA compatible controller: nVidia Corporation GeForce 7800 GTX (rev a1)put:
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