On Sunday 18 October 2009 05:46:26 am you wrote:
> > Maybe this is a "shouldn't happen" and nobody should ever have to use
> > assign- busses anymore, but unless that's the case I'd like to propose
> > something like this:
> 
> Can you provide lspci -vvv? Maybe we can fix it after all :)

With pci=assign-busses enabled:

--- begin lspci -vvv ---

00:00.0 Host bridge: Intel Corporation E7520 Memory Controller Hub (rev 09)
        Subsystem: Dell Unknown device 016d                                
        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                                                              
                      
        Capabilities: [40] Vendor Specific Information                          
                      

00:02.0 PCI bridge: Intel Corporation E7525/E7520/E7320 PCI Express Port A 
(rev 09) (prog-if 00 [Normal decode])
        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                                   
                                
        Bus: primary=00, secondary=01, subordinate=03, sec-latency=0            
                                
        I/O behind bridge: 0000f000-00000fff                                    
                                
        Memory behind bridge: fe800000-feafffff                                 
                                
        Prefetchable memory behind bridge: 00000000f8000000-00000000f80fffff    
                                
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-          
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                                
        Capabilities: [50] Power Management version 2                           
                                
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                      
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                                
        Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- 
Queue=0/1 Enable-                         
                Address: fee00000  Data: 0000                                   
                                
        Capabilities: [64] Express Root Port (Slot-) IRQ 0                      
                                
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                                
                Device: Latency L0s <64ns, L1 <1us                              
                                
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+     
                                
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                                
                Device: MaxPayload 256 bytes, MaxReadReq 128 bytes              
                                
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 2       
                                
                Link: Latency L0s <4us, L1 unlimited                            
                                
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-             
                                
                Link: Speed 2.5Gb/s, Width x8                                   
                                
                Root: Correctable- Non-Fatal- Fatal- PME-                       
                                
        Capabilities: [100] Advanced Error Reporting                            
                                

00:04.0 PCI bridge: Intel Corporation E7525/E7520 PCI Express Port B (rev 09) 
(prog-if 00 [Normal decode])
        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                                   
                          
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0            
                          
        I/O behind bridge: 0000f000-00000fff                                    
                          
        Memory behind bridge: fff00000-000fffff                                 
                          
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                          
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-    
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                          
        Capabilities: [50] Power Management version 2                           
                          
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                          
        Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- 
Queue=0/1 Enable-                   
                Address: fee00000  Data: 0000                                   
                          
        Capabilities: [64] Express Root Port (Slot-) IRQ 0                      
                          
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                          
                Device: Latency L0s <64ns, L1 <1us                              
                          
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+     
                          
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                          
                Device: MaxPayload 128 bytes, MaxReadReq 128 bytes              
                          
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 4       
                          
                Link: Latency L0s <4us, L1 unlimited                            
                          
                Link: ASPM Disabled RCB 64 bytes Disabled CommClk- ExtSynch-    
                          
                Link: Speed 2.5Gb/s, Width x0                                   
                          
                Root: Correctable- Non-Fatal- Fatal- PME-                       
                          
        Capabilities: [100] Advanced Error Reporting                            
                          

00:05.0 PCI bridge: Intel Corporation E7520 PCI Express Port B1 (rev 09) 
(prog-if 00 [Normal decode])
        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                                   
                      
        Bus: primary=00, secondary=05, subordinate=07, sec-latency=0            
                      
        I/O behind bridge: 0000d000-0000efff                                    
                      
        Memory behind bridge: fe300000-fe7fffff                                 
                      
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                      
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
<TAbort- <MAbort- <SERR- <PERR-
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                      
        Capabilities: [50] Power Management version 2                           
                      
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)            
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                      
        Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- 
Queue=0/1 Enable-               
                Address: fee00000  Data: 0000                                   
                      
        Capabilities: [64] Express Root Port (Slot-) IRQ 0                      
                      
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                      
                Device: Latency L0s <64ns, L1 <1us                              
                      
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+     
                      
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                      
                Device: MaxPayload 256 bytes, MaxReadReq 128 bytes              
                      
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 5       
                      
                Link: Latency L0s <4us, L1 unlimited                            
                      
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-             
                      
                Link: Speed 2.5Gb/s, Width x4                                   
                      
                Root: Correctable- Non-Fatal- Fatal- PME-                       
                      
        Capabilities: [100] Advanced Error Reporting                            
                      

00:06.0 PCI bridge: Intel Corporation E7520 PCI Express Port C (rev 09) (prog-
if 00 [Normal decode])
        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                                   
                      
        Bus: primary=00, secondary=08, subordinate=0e, sec-latency=0            
                      
        I/O behind bridge: 00001000-00001fff                                    
                      
        Memory behind bridge: fe100000-fe2fffff                                 
                      
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                      
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- 
<TAbort- <MAbort+ <SERR+ <PERR-
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                      
        Capabilities: [50] Power Management version 2                           
                      
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)            
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                      
        Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- 
Queue=0/1 Enable-               
                Address: fee00000  Data: 0000                                   
                      
        Capabilities: [64] Express Root Port (Slot-) IRQ 0                      
                      
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                      
                Device: Latency L0s <64ns, L1 <1us                              
                      
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+     
                      
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                      
                Device: MaxPayload 256 bytes, MaxReadReq 128 bytes              
                      
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 6       
                      
                Link: Latency L0s <4us, L1 unlimited                            
                      
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-             
                      
                Link: Speed 2.5Gb/s, Width x8                                   
                      
                Root: Correctable- Non-Fatal- Fatal- PME-                       
                      
        Capabilities: [100] Advanced Error Reporting                            
                      

00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #1 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 016d                                     
                                     
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-                 
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-             
        Latency: 0                                                              
                                     
        Interrupt: pin A routed to IRQ 16                                       
                                     
        Region 4: I/O ports at bce0 [size=32]                                   
                                     

00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #2 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 016d                                     
                                     
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-                 
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-             
        Latency: 0                                                              
                                     
        Interrupt: pin B routed to IRQ 19                                       
                                     
        Region 4: I/O ports at bcc0 [size=32]                                   
                                     

00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI 
Controller #3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 016d                                     
                                     
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-                 
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-             
        Latency: 0                                                              
                                     
        Interrupt: pin C routed to IRQ 18                                       
                                     
        Region 4: I/O ports at bca0 [size=32]                                   
                                     

00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI 
Controller (rev 02) (prog-if 20 [EHCI])
        Subsystem: Dell Unknown device 016d                                     
                                   
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-               
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-           
        Latency: 0                                                              
                                   
        Interrupt: pin D routed to IRQ 23                                       
                                   
        Region 0: Memory at feb00000 (32-bit, non-prefetchable) [size=1K]       
                                   
        Capabilities: [50] Power Management version 2                           
                                   
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                       
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                                   
        Capabilities: [58] Debug port                                           
                                   

00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) (prog-if 00 
[Normal decode])
        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                                                              
                      
        Bus: primary=00, secondary=0f, subordinate=0f, sec-latency=32           
                      
        I/O behind bridge: 0000c000-0000cfff                                    
                      
        Memory behind bridge: fdf00000-fe0fffff                                 
                      
        Prefetchable memory behind bridge: f0000000-f7ffffff                    
                      
        Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- <SERR- <PERR-
        BridgeCtl: Parity+ SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-           
                        

00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface 
Bridge (rev 02)
        Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr+ 
Stepping- SERR+ FastB2B-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 0                                                              
                        

00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE 
Controller (rev 02) (prog-if 8a [Master SecP PriP])
        Subsystem: Dell Unknown device 016d                                     
                                        
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-                    
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-                
        Latency: 0                                                              
                                        
        Interrupt: pin A routed to IRQ 0                                        
                                        
        Region 0: I/O ports at 01f0 [size=8]                                    
                                        
        Region 1: I/O ports at 03f4 [size=1]                                    
                                        
        Region 2: I/O ports at 0170 [size=8]                                    
                                        
        Region 3: I/O ports at 0374 [size=1]                                    
                                        
        Region 4: I/O ports at fc00 [size=16]                                   
                                        
        Region 5: Memory at 80000000 (32-bit, non-prefetchable) [size=1K]       
                                        

01:00.0 PCI bridge: Intel Corporation 80332 [Dobson] I/O processor (A-Segment 
Bridge) (rev 06) (prog-if 00 [Normal decode])
        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                                   
                                           
        Bus: primary=01, secondary=02, subordinate=02, sec-latency=64           
                                           
        I/O behind bridge: 0000f000-00000fff                                    
                                           
        Memory behind bridge: fe900000-feafffff                                 
                                           
        Prefetchable memory behind bridge: 00000000f8000000-00000000f80fffff    
                                           
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-                   
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                                           
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                                           
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                                           
                Device: Latency L0s <64ns, L1 <1us                              
                                           
                Device: AtnBtn- AtnInd- PwrInd-                                 
                                           
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                                           
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                                           
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                                           
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                                           
                Link: Latency L0s unlimited, L1 unlimited                       
                                           
                Link: ASPM Disabled CommClk- ExtSynch-                          
                                           
                Link: Speed 2.5Gb/s, Width x8                                   
                                           
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                                    
                Address: 0000000000000000  Data: 0000                           
                                           
        Capabilities: [6c] Power Management version 2                           
                                           
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                                 
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                                           
        Capabilities: [d8] PCI-X bridge device                                  
                                           
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- 
Freq=133MHz                                           
                Status: Dev=01:00.0 64bit- 133MHz- SCD- USC- SCO- SRD-          
                                           
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                                           
                Downstream: Capacity=65535 CommitmentLimit=65535                
                                           
        Capabilities: [100] Advanced Error Reporting                            
                                           
        Capabilities: [300] Power Budgeting                                     
                                           

01:00.2 PCI bridge: Intel Corporation 80332 [Dobson] I/O processor (B-Segment 
Bridge) (rev 06) (prog-if 00 [Normal decode])
        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                                   
                                           
        Bus: primary=01, secondary=03, subordinate=03, sec-latency=64           
                                           
        I/O behind bridge: 0000f000-00000fff                                    
                                           
        Memory behind bridge: fff00000-000fffff                                 
                                           
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                                           
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-                   
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                                           
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                                           
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                                           
                Device: Latency L0s <64ns, L1 <1us                              
                                           
                Device: AtnBtn- AtnInd- PwrInd-                                 
                                           
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                                           
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                                           
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                                           
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                                           
                Link: Latency L0s unlimited, L1 unlimited                       
                                           
                Link: ASPM Disabled CommClk- ExtSynch-                          
                                           
                Link: Speed 2.5Gb/s, Width x8                                   
                                           
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                                    
                Address: 0000000000000000  Data: 0000                           
                                           
        Capabilities: [6c] Power Management version 2                           
                                           
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                                 
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                                           
        Capabilities: [d8] PCI-X bridge device                                  
                                           
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- 
Freq=133MHz                                           
                Status: Dev=01:00.2 64bit- 133MHz- SCD- USC- SCO- SRD-          
                                           
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                                           
                Downstream: Capacity=65535 CommitmentLimit=65535                
                                           
        Capabilities: [100] Advanced Error Reporting                            
                                           
        Capabilities: [300] Power Budgeting                                     
                                           

02:0e.0 RAID bus controller: Dell PowerEdge Expandable RAID controller 4 (rev 
06)
        Subsystem: Dell PowerEdge Expandable RAID Controller 4e/Di              
 
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping+ SERR+ FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 64 (32000ns min), Cache Line Size: 64 bytes                    
                        
        Interrupt: pin A routed to IRQ 46                                       
                        
        Region 0: Memory at f80f0000 (32-bit, prefetchable) [size=64K]          
                        
        Region 2: Memory at fe9c0000 (32-bit, non-prefetchable) [size=256K]     
                        
        Expansion ROM at fea00000 [disabled] [size=128K]                        
                        
        Capabilities: [c0] Power Management version 2                           
                        
                Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)              
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                        
        Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/1 Enable-                 
                Address: 0000000000000000  Data: 0000                           
                        
        Capabilities: [e0] PCI-X non-bridge device                              
                        
                Command: DPERE- ERO- RBC=512 OST=4                              
                        
                Status: Dev=02:0e.0 64bit+ 133MHz+ SCD- USC- DC=bridge 
DMMRBC=1024 DMOST=4 DMCRS=16 RSCEM- 266MHz- 533MHz-

05:00.0 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge A (rev 
09) (prog-if 00 [Normal decode])
        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                                   
                               
        Bus: primary=05, secondary=06, subordinate=06, sec-latency=32           
                               
        I/O behind bridge: 0000e000-0000efff                                    
                               
        Memory behind bridge: fe600000-fe7fffff                                 
                               
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                               
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- <SERR- <PERR-       
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                               
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                               
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                               
                Device: Latency L0s <64ns, L1 <1us                              
                               
                Device: AtnBtn- AtnInd- PwrInd-                                 
                               
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                               
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                               
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                               
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                               
                Link: Latency L0s unlimited, L1 unlimited                       
                               
                Link: ASPM Disabled CommClk- ExtSynch-                          
                               
                Link: Speed 2.5Gb/s, Width x4                                   
                               
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                        
                Address: 0000000000000000  Data: 0000                           
                               
        Capabilities: [6c] Power Management version 2                           
                               
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                     
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                               
        Capabilities: [d8] PCI-X bridge device                                  
                               
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- Freq=conv  
                               
                Status: Dev=05:00.0 64bit- 133MHz- SCD- USC- SCO- SRD-          
                               
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                               
                Downstream: Capacity=65535 CommitmentLimit=65535                
                               
        Capabilities: [100] Advanced Error Reporting                            
                               
        Capabilities: [300] Power Budgeting                                     
                               

05:00.2 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge B (rev 
09) (prog-if 00 [Normal decode])
        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                                   
                               
        Bus: primary=05, secondary=07, subordinate=07, sec-latency=32           
                               
        I/O behind bridge: 0000d000-0000dfff                                    
                               
        Memory behind bridge: fe400000-fe5fffff                                 
                               
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                               
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- <SERR- <PERR-       
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                               
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                               
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                               
                Device: Latency L0s <64ns, L1 <1us                              
                               
                Device: AtnBtn- AtnInd- PwrInd-                                 
                               
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                               
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                               
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                               
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                               
                Link: Latency L0s unlimited, L1 unlimited                       
                               
                Link: ASPM Disabled CommClk- ExtSynch-                          
                               
                Link: Speed 2.5Gb/s, Width x4                                   
                               
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                        
                Address: 0000000000000000  Data: 0000                           
                               
        Capabilities: [6c] Power Management version 2                           
                               
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                     
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                               
        Capabilities: [d8] PCI-X bridge device                                  
                               
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- Freq=conv  
                               
                Status: Dev=05:00.2 64bit- 133MHz- SCD- USC- SCO- SRD-          
                               
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                               
                Downstream: Capacity=65535 CommitmentLimit=65535                
                               
        Capabilities: [100] Advanced Error Reporting                            
                               
        Capabilities: [300] Power Budgeting                                     
                               

06:07.0 Ethernet controller: Intel Corporation 82541GI/PI Gigabit Ethernet 
Controller (rev 05)
        Subsystem: Dell Unknown device 016d                                     
              
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 32 (63750ns min), Cache Line Size: 64 bytes                    
                        
        Interrupt: pin A routed to IRQ 65                                       
                        
        Region 0: Memory at fe6e0000 (32-bit, non-prefetchable) [size=128K]     
                        
        Region 2: I/O ports at ecc0 [size=64]                                   
                        
        Capabilities: [dc] Power Management version 2                           
                        
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)              
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-                     
                        
        Capabilities: [e4] PCI-X non-bridge device                              
                        
                Command: DPERE- ERO+ RBC=512 OST=1                              
                        
                Status: Dev=00:00.0 64bit- 133MHz- SCD- USC- DC=simple 
DMMRBC=2048 DMOST=1 DMCRS=8 RSCEM- 266MHz- 533MHz-

07:08.0 Ethernet controller: Intel Corporation 82541GI/PI Gigabit Ethernet 
Controller (rev 05)
        Subsystem: Dell Unknown device 016d                                     
              
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- 
Stepping- SERR+ FastB2B-
        Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 32 (63750ns min), Cache Line Size: 64 bytes                    
                        
        Interrupt: pin A routed to IRQ 66                                       
                        
        Region 0: Memory at fe4e0000 (32-bit, non-prefetchable) [size=128K]     
                        
        Region 2: I/O ports at dcc0 [size=64]                                   
                        
        Capabilities: [dc] Power Management version 2                           
                        
                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)              
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-                     
                        
        Capabilities: [e4] PCI-X non-bridge device                              
                        
                Command: DPERE- ERO+ RBC=512 OST=1                              
                        
                Status: Dev=00:00.0 64bit- 133MHz- SCD- USC- DC=simple 
DMMRBC=2048 DMOST=1 DMCRS=8 RSCEM- 266MHz- 533MHz-

08:00.0 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge A (rev 
09) (prog-if 00 [Normal decode])
        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                                   
                               
        Bus: primary=08, secondary=09, subordinate=09, sec-latency=64           
                               
        I/O behind bridge: 0000f000-00000fff                                    
                               
        Memory behind bridge: fff00000-000fffff                                 
                               
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                               
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-       
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                               
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                               
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                               
                Device: Latency L0s <64ns, L1 <1us                              
                               
                Device: AtnBtn- AtnInd- PwrInd-                                 
                               
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                               
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                               
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                               
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                               
                Link: Latency L0s unlimited, L1 unlimited                       
                               
                Link: ASPM Disabled CommClk- ExtSynch-                          
                               
                Link: Speed 2.5Gb/s, Width x8                                   
                               
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                        
                Address: 0000000000000000  Data: 0000                           
                               
        Capabilities: [6c] Power Management version 2                           
                               
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                     
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                               
        Capabilities: [d8] PCI-X bridge device                                  
                               
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- 
Freq=133MHz                               
                Status: Dev=08:00.0 64bit- 133MHz- SCD- USC- SCO- SRD-          
                               
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                               
                Downstream: Capacity=65535 CommitmentLimit=65535                
                               
        Capabilities: [100] Advanced Error Reporting                            
                               
        Capabilities: [300] Power Budgeting                                     
                               

08:00.2 PCI bridge: Intel Corporation 6700PXH PCI Express-to-PCI Bridge B (rev 
09) (prog-if 00 [Normal decode])
        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                                   
                               
        Bus: primary=08, secondary=0a, subordinate=0e, sec-latency=32           
                               
        I/O behind bridge: 00001000-00001fff                                    
                               
        Memory behind bridge: fe200000-fe2fffff                                 
                               
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff    
                               
        Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort+ <SERR- <PERR-       
        BridgeCtl: Parity+ SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-           
                               
        Capabilities: [44] Express PCI/PCI-X Bridge IRQ 0                       
                               
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-   
                               
                Device: Latency L0s <64ns, L1 <1us                              
                               
                Device: AtnBtn- AtnInd- PwrInd-                                 
                               
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported-     
                               
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-            
                               
                Device: MaxPayload 256 bytes, MaxReadReq 512 bytes              
                               
                Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 0       
                               
                Link: Latency L0s unlimited, L1 unlimited                       
                               
                Link: ASPM Disabled CommClk- ExtSynch-                          
                               
                Link: Speed 2.5Gb/s, Width x8                                   
                               
        Capabilities: [5c] Message Signalled Interrupts: Mask- 64bit+ 
Queue=0/0 Enable-                        
                Address: 0000000000000000  Data: 0000                           
                               
        Capabilities: [6c] Power Management version 2                           
                               
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0+,D1-,D2-,D3hot+,D3cold+)                     
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-                     
                               
        Capabilities: [d8] PCI-X bridge device                                  
                               
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- Freq=conv  
                               
                Status: Dev=08:00.2 64bit- 133MHz- SCD- USC- SCO- SRD-          
                               
                Upstream: Capacity=65535 CommitmentLimit=65535                  
                               
                Downstream: Capacity=65535 CommitmentLimit=65535                
                               
        Capabilities: [100] Advanced Error Reporting                            
                               
        Capabilities: [300] Power Budgeting                                     
                               

0a:02.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev 81)
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 168
        Interrupt: pin A routed to IRQ 64
        Region 0: Memory at fe200000 (32-bit, non-prefetchable) [size=4K]
        Bus: primary=0a, secondary=0b, subordinate=0e, sec-latency=176
        Memory window 0: fe220000-fe23f000 (prefetchable)
        Memory window 1: fe240000-fe25f000
        I/O window 0: 00001000-000010ff
        I/O window 1: 00001400-000014ff
        BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
        16-bit legacy interface ports at 0001

0f:0d.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY 
[Radeon 7000/VE] (prog-if 00 [VGA])
        Subsystem: Dell Unknown device 016d
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop+ ParErr- 
Stepping+ SERR+ FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR-
        Latency: 32 (2000ns min), Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 7
        Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
        Region 1: I/O ports at cc00 [size=256]
        Region 2: Memory at fdff0000 (32-bit, non-prefetchable) [size=64K]
        [virtual] Expansion ROM at fdf00000 [disabled] [size=128K]
        Capabilities: [50] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 PME-Enable- DSel=0 DScale=0 PME-
--- end lspci -vvv ---

(My apologies; the machine is remote and there's currently *not* a card 
installed in the adapter, so the backend bus doesn't show up; it's assigned 
#0b.)

Without pci=assign-busses all is the same, except that the bus with the Radeon 
(#0f in this listing) gets assigned #0b. The PCMCIA adapter card is still 
0a:02.0, and the bus behind it gets assigned #0b-0e with the warning message 
"pci_bus 0000:0b: Upper limit for fixing this bridge's parent bridge: #0a". 
Cardbus cards do absolutely nothing in that state, which isn't much of a 
surprise.

The machine is a Dell PowerEdge 2850; if you need any more info for debugging 
I'll do what I can for you, but it is in production so I'd like to keep the 
number of reboots limited :)

Thanks very much for your time,

Andrew

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