Hello Don! Some additional information about the bridge device 00:14.4 itself (both legacy PCI cards are behind this bridge device - it's an output with both legacy devices plugged in): 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40) (prog-if 01 [Subtractive decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop+ ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 64 Bus: primary=00, secondary=05, subordinate=05, sec-latency=64 I/O behind bridge: 0000a000-0000afff Memory behind bridge: fda00000-fdafffff Prefetchable memory behind bridge: fd900000-fd9fffff Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- If the bridge is put to the VM too, libvirt exits with the following error: error: internal error Unable to reset PCI device 0000:00:14.4: no FLR, PM reset or bus reset available The wlan device looks like this: 05:07.0 Network controller: RaLink RT2800 802.11n PCI Subsystem: Linksys Device 0067 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 32 (500ns min, 1000ns max), Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 21 Region 0: Memory at fdae0000 (32-bit, non-prefetchable) [size=64K] Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Thank you for your advice, kind regards, Andreas Hartmann -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html