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We noticed following warnings in the log with IBM BladeCenter HW (LS21) and RHEL 4 U4 kernel. This is just for your information if you want to check this out. Here are the logs and lspci printout: Dec 12 17:32:55 info CLA-1 kernel: MSI INIT SUCCESS Dec 12 17:32:55 warning CLA-1 kernel: bnx2: eth0: No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information. Dec 12 17:32:55 warning CLA-1 kernel: bnx2: eth1: No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information. Dec 12 17:32:55 info CLA-1 kernel: bnx2: eth0 NIC Link is Up, 1000 Mbps full duplex # lspci -vvv 00:01.0 PCI bridge: Broadcom HT1000 PCI/PCI-X bridge (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: 64 Bus: primary=00, secondary=01, subordinate=02, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: ea000000-efffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity+ SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [90] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD- Freq=3 Status: Bus=0 Dev=1 Func=0 64bit- 133MHz- SCD- USC-, SCO-, SRD- : Upstream: Capacity=0, Commitment Limit=0 : Downstream: Capacity=0, Commitment Limit=0 Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] HyperTransport: Slave or Primary Interface Command: BaseUnitID=1 UnitCnt=3 MastHost- DefDir- Link Control 0: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config 0: MLWI=8bit MLWO=8bit LWI=8bit LWO=8bit Link Control 1: CFlE- CST- CFE- <LkFail- Init- EOC+ TXO+ <CRCErr=0 Link Config 1: MLWI=8bit MLWO=8bit LWI=N/C LWO=N/C Revision ID: 0.00 Capabilities: [d8] #0d [0000] 00:02.0 Host bridge: Broadcom HT1000 Legacy South Bridge Subsystem: IBM: Unknown device 0000 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 00:02.2 ISA bridge: Broadcom HT1000 LPC Bridge Subsystem: SBE Incorporated: Unknown device 0230 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 00:03.0 USB Controller: Broadcom HT1000 USB Controller (rev 01) (prog-if 10 [OHCI]) Subsystem: Broadcom HT1000 USB Controller 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, Cache Line Size 10 Interrupt: pin A routed to IRQ 5 Region 0: Memory at f9fff000 (32-bit, non-prefetchable) [size=4K] Region 1: I/O ports at 3000 [size=256] 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=0 PME- Bridge: PM- B3+ 00:03.1 USB Controller: Broadcom HT1000 USB Controller (rev 01) (prog-if 10 [OHCI]) Subsystem: Broadcom HT1000 USB Controller 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, Cache Line Size 10 Interrupt: pin A routed to IRQ 5 Region 0: Memory at f9ffe000 (32-bit, non-prefetchable) [size=4K] Region 1: I/O ports at 3100 [size=256] 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=0 PME- Bridge: PM- B3+ 00:03.2 USB Controller: Broadcom HT1000 USB Controller (rev 01) (prog-if 20 [EHCI]) Subsystem: Broadcom HT1000 USB Controller 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, Cache Line Size 10 Interrupt: pin A routed to IRQ 5 Region 0: Memory at f9ffd000 (32-bit, non-prefetchable) [size=4K] Region 1: I/O ports at 3200 [size=256] 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=0 PME- Bridge: PM- B3+ 00:05.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02) (prog-if 00 [VGA]) Subsystem: IBM: Unknown device 0305 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 (2000ns min), Cache Line Size 10 Interrupt: pin A routed to IRQ 169 Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M] Region 1: I/O ports at 3300 [size=256] Region 2: Memory at f9fe0000 (32-bit, non-prefetchable) [size=64K] 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- 00:06.0 PCI bridge: Broadcom HT2000 PCI-X bridge (rev b0) (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: 64 Bus: primary=00, secondary=03, subordinate=03, sec-latency=96 I/O behind bridge: 00004000-00004fff Memory behind bridge: e7000000-e80fffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [90] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD- Freq=3 Status: Bus=0 Dev=6 Func=0 64bit- 133MHz- SCD- USC-, SCO-, SRD- : Upstream: Capacity=0, Commitment Limit=0 : Downstream: Capacity=0, Commitment Limit=0 Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] HyperTransport: Slave or Primary Interface Command: BaseUnitID=6 UnitCnt=6 MastHost- DefDir- Link Control 0: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config 0: MLWI=16bit MLWO=16bit LWI=16bit LWO=16bit Link Control 1: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config 1: MLWI=8bit MLWO=8bit LWI=8bit LWO=8bit Revision ID: 0.00 00:07.0 PCI bridge: Broadcom HT2000 PCI-X bridge (rev b0) (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: 64 Bus: primary=00, secondary=04, subordinate=04, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: e5000000-e5ffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [90] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD- Freq=3 Status: Bus=0 Dev=7 Func=0 64bit- 133MHz- SCD- USC-, SCO-, SRD- : Upstream: Capacity=0, Commitment Limit=0 : Downstream: Capacity=0, Commitment Limit=0 Capabilities: [a0] HyperTransport: MSI Mapping 00:08.0 PCI bridge: Broadcom HT2000 PCI-Express bridge (rev b0) (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=05, subordinate=05, sec-latency=96 I/O behind bridge: 00005000-00005fff Memory behind bridge: e3000000-e41fffff Prefetchable memory behind bridge: 00000000e8f00000-00000000e8f00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] Express Root Port (Slot-) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <4us, L1 <16us 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 L1, Port 1 Link: Latency L0s <4us, L1 <16us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x8 Root: Correctable- Non-Fatal- Fatal- PME- 00:09.0 PCI bridge: Broadcom HT2000 PCI-Express bridge (rev b0) (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=06, subordinate=08, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: df000000-e1ffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] Express Root Port (Slot-) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <4us, L1 <16us 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 L1, Port 2 Link: Latency L0s <4us, L1 <16us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x4 Root: Correctable- Non-Fatal- Fatal- PME- 00:0a.0 PCI bridge: Broadcom HT2000 PCI-Express bridge (rev b0) (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=09, subordinate=09, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: dd000000-ddffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] Express Root Port (Slot-) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <4us, L1 <16us Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported- Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- Device: MaxPayload 512 bytes, MaxReadReq 128 bytes Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s L1, Port 3 Link: Latency L0s <4us, L1 <16us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x8 Root: Correctable- Non-Fatal- Fatal- PME- 00:0b.0 PCI bridge: Broadcom HT2000 PCI-Express bridge (rev b0) (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=0a, subordinate=0a, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: dc000000-dcffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- <SERR- <PERR- BridgeCtl: Parity+ SERR+ NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [a0] HyperTransport: MSI Mapping Capabilities: [b0] Express Root Port (Slot-) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <4us, L1 <16us Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported- Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- Device: MaxPayload 512 bytes, MaxReadReq 128 bytes Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 4 Link: Latency L0s <4us, L1 <16us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x4 Root: Correctable- Non-Fatal- Fatal- PME- 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 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- Capabilities: [80] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=16bit LWO=16bit Revision ID: 1.02 Capabilities: [a0] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+ <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=N/C LWO=N/C Revision ID: 1.02 Capabilities: [c0] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=16bit LWO=16bit Revision ID: 1.02 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 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- 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 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- 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 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- Capabilities: [f0] #0f [0010] 00:19.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration 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- Capabilities: [80] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+ <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=N/C LWO=N/C Revision ID: 1.02 Capabilities: [a0] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+ <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=N/C LWO=N/C Revision ID: 1.02 Capabilities: [c0] HyperTransport: Host or Secondary Interface !!! Possibly incomplete decoding Command: WarmRst+ DblEnd- Link Control: CFlE+ CST- CFE- <LkFail- Init+ EOC- TXO- <CRCErr=0 Link Config: MLWI=16bit MLWO=16bit LWI=16bit LWO=16bit Revision ID: 1.02 00:19.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map 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- 00:19.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller 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- 00:19.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control 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- Capabilities: [f0] #0f [0010] 01:0d.0 PCI bridge: Broadcom HT1000 PCI/PCI-X bridge (rev c0) (prog-if 00 [Normal decode]) 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, Cache Line Size 10 Bus: primary=01, secondary=02, subordinate=02, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: ea000000-eeffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 Secondary status: 66Mhz+ FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR- BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B- Capabilities: [90] PCI-X bridge device. Secondary Status: 64bit+, 133MHz+, SCD-, USC-, SCO-, SRD- Freq=0 Status: Bus=1 Dev=13 Func=0 64bit+ 133MHz+ SCD- USC-, SCO+, SRD- : Upstream: Capacity=8, Commitment Limit=8 : Downstream: Capacity=8, Commitment Limit=8 Capabilities: [88] #0d [0000] 02:04.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5706S Gigabit Ethernet (rev 02) Subsystem: IBM: Unknown device 0303 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 (16000ns min), Cache Line Size 10 Interrupt: pin A routed to IRQ 177 Region 0: Memory at ea000000 (64-bit, non-prefetchable) [size=32M] Capabilities: [40] PCI-X non-bridge device. Command: DPERE- ERO- RBC=3 OST=4 Status: Bus=2 Dev=4 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=0, DMOST=4, DMCRS=2, RSCEM- Capabilities: [48] 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: [50] Vital Product Data Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- Address: 00000000fee00000 Data: 40d9 02:05.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5706S Gigabit Ethernet (rev 02) Subsystem: IBM: Unknown device 0303 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 (16000ns min), Cache Line Size 10 Interrupt: pin A routed to IRQ 185 Region 0: Memory at ec000000 (64-bit, non-prefetchable) [size=32M] Capabilities: [40] PCI-X non-bridge device. Command: DPERE- ERO- RBC=3 OST=4 Status: Bus=2 Dev=5 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=0, DMOST=4, DMCRS=2, RSCEM- Capabilities: [48] 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: [50] Vital Product Data Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- Address: 00000000fee00000 Data: 40e1 03:04.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1064 PCI-X Fusion-MPT SAS (rev 02) Subsystem: IBM: Unknown device 031a 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: 72 (16000ns min, 2500ns max), Cache Line Size 10 Interrupt: pin A routed to IRQ 193 Region 0: I/O ports at 4000 [disabled] [size=256] Region 1: Memory at e8010000 (64-bit, non-prefetchable) [size=16K] Region 3: Memory at e8000000 (64-bit, non-prefetchable) [size=64K] 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: [98] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- Address: 0000000000000000 Data: 0000 Capabilities: [68] PCI-X non-bridge device. Command: DPERE- ERO- RBC=3 OST=4 Status: Bus=3 Dev=4 Func=0 64bit+ 133MHz+ SCD- USC-, DC=simple, DMMRBC=2, DMOST=6, DMCRS=4, RSCEM- 05:00.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 02) Subsystem: IBM ServeRAID 8k/8k-l8 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 10 Interrupt: pin A routed to IRQ 201 Region 0: Memory at e4000000 (64-bit, non-prefetchable) [size=2M] Region 2: Memory at e8f00000 (64-bit, prefetchable) [size=128K] Region 4: I/O ports at 5000 [size=256] Capabilities: [40] Express Endpoint IRQ 0 Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag+ Device: Latency L0s <128ns, L1 <2us Device: AtnBtn- AtnInd- PwrInd- 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 L1, Port 0 Link: Latency L0s <64ns, L1 <1us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x8 Capabilities: [e0] Message Signalled Interrupts: 64bit+ Queue=0/2 Enable- Address: 0000000000000000 Data: 0000 06:00.0 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 10 Bus: primary=06, secondary=07, subordinate=07, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: e0000000-e0ffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 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 128 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: 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=3 Status: Bus=6 Dev=0 Func=0 64bit- 133MHz- SCD- USC-, SCO-, SRD- : Upstream: Capacity=65535, Commitment Limit=65535 : Downstream: Capacity=65535, Commitment Limit=65535 06:00.2 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 10 Bus: primary=06, secondary=08, subordinate=08, sec-latency=96 I/O behind bridge: 0000f000-0000efff Memory behind bridge: e1000000-e1ffffff Prefetchable memory behind bridge: 00000000fff00000-00000000ffe00000 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 128 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: 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=3 Status: Bus=6 Dev=0 Func=2 64bit- 133MHz- SCD- USC-, SCO-, SRD- : Upstream: Capacity=65535, Commitment Limit=65535 : Downstream: Capacity=65535, Commitment Limit=65535 BR, Kirsti This event sent from IssueTracker by sprabhu [Support Engineering Group] issue 109203
as requested: # uname -r 2.6.9-42.32.EL.jwltest.180smp # grep MSI /var/log/messages Feb 5 16:03:54 bcmz01 kernel: PCI: Found HT MSI mapping on 0000:00:08.0 with capability enabled Feb 5 16:03:54 bcmz01 kernel: PCI: Found HT MSI mapping on 0000:00:09.0 with capability enabled Feb 5 16:03:54 bcmz01 kernel: PCI: Found HT MSI mapping on 0000:00:0a.0 with capability enabled Feb 5 16:03:54 bcmz01 kernel: PCI: Found HT MSI mapping on 0000:00:0b.0 with capability enabled Feb 5 16:03:57 bcmz01 kernel: MSI INIT SUCCESS Feb 5 16:03:57 bcmz01 kernel: bnx2: eth0: No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information. # dmesg |grep MSI PCI: Found HT MSI mapping on 0000:00:08.0 with capability enabled PCI: Found HT MSI mapping on 0000:00:09.0 with capability enabled PCI: Found HT MSI mapping on 0000:00:0a.0 with capability enabled PCI: Found HT MSI mapping on 0000:00:0b.0 with capability enabled MSI INIT SUCCESS bnx2: eth0: No interrupt was generated using MSI, switching to INTx mode. Please report this failure to the PCI maintainer and include system chipset information. full sysreport attached. Mind you this blade was loaned to me for today only, so if further tests are required this may take a while again. PCFE This event sent from IssueTracker by sprabhu [Support Engineering Group] issue 109203
Escalated to High priority - need engineering feedback. What are the implications of this message?
Generally this happens because of some interesting pci quirk and though the driver is complaining it isn't really critical. I'll see if there are any workarounds to address this. John Linville hasn't been doing RHEL4 test kernels lately, he's left that up to me. If they are willing to test some of these out they can try the ones here: http://people.redhat.com/agospoda/#rhel4 Thanks!
Thanks for the feedback. I'll take a look at this in more detail.
Do we have one of the systems like the customer has that we can use for testing? It seems there should be an entry in the lastest rhel4 and rhel5 kernels (like in my test kernels), but it doesn't seem like the entry in quirks.c is doing anything....
Test kernels for this issue will be available here: http://people.redhat.com/agospoda/#rhel4 Please test them and report back the results. Thanks!
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
committed in stream U6 build 55.24. A test kernel with this patch is available from http://people.redhat.com/~jbaron/rhel4/
Jason, thanks for this. I just tested 2.6.9-55.25.ELsmp and it works as expected for this bug.
Please provide more information on the type of bnx2 chip (5706/5708), type of system, lspci, etc.
Michael, I made some of the private comments public -- sorry about that. Let me know if you need more info.
MSI failure was due to BIOS not setting HT_MSI_FLAGS_ENABLE bit in the HyperTransport MSI mapping capability of the HT-to-PCI bridge (PCI device 0:1.0). The patch to detect this problem and apply the proper quirk is in the link below. http://marc.info/?l=linux-netdev&m=118921524032043&w=2
*** Bug 205520 has been marked as a duplicate of this bug. ***
Bug 205520 (publicly accessible) was marked as duplicate of this bug (not publicly accessible). I do not see anything in this bug report (or comments) that looks like sensitive information. Unless you guys are under some NDA with hardware manufacturer and are discussing parts of hardware designed covered with that particular NDA. If this bug is intended to be internal discussion between Red Hat and Broadcom engineers, please reopen bug 205520 and mark it to depend on this bug instead of marking it as duplicate (and remove me from CC in that case, I'm in no way under NDA with any of the hardware vendors). If this bug is not intended to be internal discussion between Red Hat and Broadcom engineers, make it public. Thanks
Does anyone mind if we make this publicly accessible?
Andy, sorry for the long delay. NSN is fine with this being turned public.
Aleksandar, this should now be publicly accessible -- let me know you or anyone else have any problems accessing it.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2007-0791.html