[Bug 10846] New: Slow write on LSISAS1068E (SAS6/iR) on kernel >= 2.6.22

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http://bugzilla.kernel.org/show_bug.cgi?id=10846

           Summary: Slow write on LSISAS1068E (SAS6/iR) on kernel >= 2.6.22
           Product: SCSI Drivers
           Version: 2.5
     KernelVersion: 2.6.24-16
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx
        ReportedBy: dom.lalot@xxxxxxxxx


Latest working kernel version:
2.6.21.7

Earliest failing kernel version:
2.6.22.1 till 2.6.24

debian-test:/usr/src# cat /proc/version
Linux version 2.6.22.19 (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.1.2
20061115 (prerelease) (Debian 4.1.1-21)) #1 SMP Fri May 30 19:53:56 CEST 2008


Distribution:
Ubuntu server 8.04 / Debian Lenny

Hardware Environment:
debian-test:/usr/src/linux# lspci -vvv
00:00.0 Host bridge: Intel Corporation 5000P Chipset Memory Controller Hub (rev
92)
        Subsystem: Intel Corporation Unknown device 8086
        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
        Interrupt: pin A routed to IRQ 0
        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: [6c] Express Root Port (Slot-) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 x4, ASPM L0s, Port 0
                Link: Latency L0s unlimited, 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

00:02.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x4 Port 2
(rev 92) (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=07, sec-latency=0
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: d8000000-ddffffff
        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: feeff00c  Data: 41c9
        Capabilities: [6c] Express Root Port (Slot-) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 x4, ASPM L0s, Port 2
                Link: Latency L0s unlimited, 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

00:03.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x4 Port 3
(rev 92) (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=08, sec-latency=0
        I/O behind bridge: 0000e000-0000efff
        Memory behind bridge: de100000-de2fffff
        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: feeff00c  Data: 41d1
        Capabilities: [6c] Express Root Port (Slot-) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 3
                Link: Latency L0s unlimited, 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

00:04.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port
4-5 (rev 92) (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=09, subordinate=09, sec-latency=0
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: de300000-de3fffff
        Prefetchable memory behind bridge: 00000000de500000-00000000de5fffff
        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: feeff00c  Data: 41d9
        Capabilities: [6c] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 4
                Link: Latency L0s unlimited, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 1, PowerLimit 25.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd Off, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-
        Capabilities: [100] Advanced Error Reporting

00:05.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x4 Port 5
(rev 92) (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=0a, subordinate=0a, 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: feeff00c  Data: 41e1
        Capabilities: [6c] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 x4, ASPM L0s, Port 5
                Link: Latency L0s unlimited, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes Disabled CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x0
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 2, PowerLimit 25.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd Off, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-
        Capabilities: [100] Advanced Error Reporting

00:06.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port
6-7 (rev 92) (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=0b, subordinate=0b, 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: feeff00c  Data: 41e9
        Capabilities: [6c] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 6
                Link: Latency L0s unlimited, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes Disabled CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 3, PowerLimit 25.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd Off, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-
        Capabilities: [100] Advanced Error Reporting

00:07.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x4 Port 7
(rev 92) (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=0c, subordinate=0c, 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: feeff00c  Data: 4132
        Capabilities: [6c] Express Root Port (Slot+) IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s unlimited, L1 unlimited
                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 x4, ASPM L0s, Port 7
                Link: Latency L0s unlimited, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes Disabled CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x0
                Slot: AtnBtn- PwrCtrl- MRL- AtnInd- PwrInd- HotPlug- Surpise-
                Slot: Number 4, PowerLimit 25.000000
                Slot: Enabled AtnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq-
                Slot: AttnInd Off, PwrInd Off, Power-
                Root: Correctable- Non-Fatal- Fatal- PME-
        Capabilities: [100] Advanced Error Reporting

00:10.0 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting
Registers (rev 92)
        Subsystem: Dell Unknown device 0208
        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-

00:10.1 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting
Registers (rev 92)
        Subsystem: Dell Unknown device 0208
        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-

00:10.2 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting
Registers (rev 92)
        Subsystem: Dell Unknown device 0208
        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-

00:11.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers
(rev 92)
        Subsystem: Intel Corporation Unknown device 8086
        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-

00:13.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers
(rev 92)
        Subsystem: Intel Corporation Unknown device 8086
        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-

00:15.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev
92)
        Subsystem: Intel Corporation Unknown device 8086
        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-

00:16.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev
92)
        Subsystem: Intel Corporation Unknown device 8086
        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-

00:1d.0 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB
Controller #1 (rev 09) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 0208
        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 20
        Region 4: I/O ports at bc80 [size=32]

00:1d.1 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB
Controller #2 (rev 09) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 0208
        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 21
        Region 4: I/O ports at bca0 [size=32]

00:1d.2 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB
Controller #3 (rev 09) (prog-if 00 [UHCI])
        Subsystem: Dell Unknown device 0208
        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 20
        Region 4: I/O ports at bcc0 [size=32]

00:1d.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI
USB2 Controller (rev 09) (prog-if 20 [EHCI])
        Subsystem: Dell Unknown device 0208
        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 20
        Region 0: Memory at de0ff800 (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 d9) (prog-if 01
[Subtractive 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=0d, subordinate=0d, sec-latency=32
        I/O behind bridge: 0000c000-0000cfff
        Memory behind bridge: de400000-de4fffff
        Prefetchable memory behind bridge: 00000000d0000000-00000000d7ffffff
        Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort+ <SERR- <PERR-
        BridgeCtl: Parity+ SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-
        Capabilities: [50] Subsystem: Gammagraphx, Inc. Unknown device 0000

00:1f.0 ISA bridge: Intel Corporation 631xESB/632xESB/3100 Chipset LPC
Interface Controller (rev 09)
        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

01:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Upstream Port
(rev 01) (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=06, sec-latency=0
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: da000000-ddffffff
        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: [44] Express Upstream Port IRQ 0
                Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <64ns, L1 <1us
                Device: AtnBtn- AtnInd- PwrInd-
                Device: SlotPowerLimit 0.000000
                Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
                Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                Device: MaxPayload 128 bytes, MaxReadReq 4096 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: [70] 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: [80] Subsystem: Gammagraphx, Inc. Unknown device 0000
        Capabilities: [100] Advanced Error Reporting

01:00.3 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express to PCI-X
Bridge (rev 01) (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=07, subordinate=07, 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 128 bytes, MaxReadReq 256 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: [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: [80] Subsystem: Gammagraphx, Inc. Unknown device 0000
        Capabilities: [d8] PCI-X bridge device
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD-
Freq=100MHz
                Status: Dev=00:00.3 64bit- 133MHz- SCD- USC- SCO- SRD-
                Upstream: Capacity=65535 CommitmentLimit=65535
                Downstream: Capacity=65535 CommitmentLimit=65535
        Capabilities: [100] Advanced Error Reporting

02:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream
Port E1 (rev 01) (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=02, secondary=03, subordinate=04, sec-latency=0
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: dc000000-ddffffff
        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: [44] Express Downstream 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 4096 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 0
                Link: Latency L0s <512ns, L1 unlimited
                Link: ASPM Disabled CommClk+ ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable+
                Address: 00000000feeff00c  Data: 413a
        Capabilities: [70] 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: [80] Subsystem: Gammagraphx, Inc. Unknown device 0000
        Capabilities: [100] Advanced Error Reporting

02:01.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream
Port E2 (rev 01) (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=02, secondary=05, subordinate=06, sec-latency=0
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: da000000-dbffffff
        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: [44] Express Downstream 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 4096 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 0
                Link: Latency L0s <512ns, L1 unlimited
                Link: ASPM Disabled CommClk+ ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable+
                Address: 00000000feeff00c  Data: 4142
        Capabilities: [70] 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: [80] Subsystem: Gammagraphx, Inc. Unknown device 0000
        Capabilities: [100] Advanced Error Reporting

03:00.0 PCI bridge: Broadcom EPB PCI-Express to PCI-X Bridge (rev c3) (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=03, secondary=04, subordinate=04, sec-latency=64
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: dc000000-ddffffff
        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: [60] Express PCI/PCI-X Bridge IRQ 0
                Device: Supported: MaxPayload 128 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 128 bytes, MaxReadReq 128 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 0
                Link: Latency L0s <1us, L1 <4us
                Link: ASPM Disabled CommClk+ ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [90] PCI-X bridge device
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD-
Freq=133MHz
                Status: Dev=03:00.0 64bit- 133MHz- SCD- USC- SCO- SRD-
                Upstream: Capacity=0 CommitmentLimit=0
                Downstream: Capacity=0 CommitmentLimit=0
        Capabilities: [b0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [14c] Power Budgeting
        Capabilities: [160] Device Serial Number c0-88-3d-fe-ff-4f-1e-00

04:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708S Gigabit
Ethernet (rev 12)
        Subsystem: Dell Unknown device 0208
        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: 64 bytes
        Interrupt: pin A routed to IRQ 211
        Region 0: Memory at dc000000 (64-bit, non-prefetchable) [size=32M]
        Capabilities: [40] PCI-X non-bridge device
                Command: DPERE- ERO- RBC=512 OST=8
                Status: Dev=04:00.0 64bit+ 133MHz+ SCD- USC- DC=simple
DMMRBC=512 DMOST=8 DMCRS=32 RSCEM- 266MHz- 533MHz-
        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: Mask- 64bit+ Queue=0/0
Enable+
                Address: 00000000feeff00c  Data: 417a

05:00.0 PCI bridge: Broadcom EPB PCI-Express to PCI-X Bridge (rev c3) (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=64
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: da000000-dbffffff
        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: [60] Express PCI/PCI-X Bridge IRQ 0
                Device: Supported: MaxPayload 128 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 128 bytes, MaxReadReq 128 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 0
                Link: Latency L0s <1us, L1 <4us
                Link: ASPM Disabled CommClk+ ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [90] PCI-X bridge device
                Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD-
Freq=133MHz
                Status: Dev=05:00.0 64bit- 133MHz- SCD- USC- SCO- SRD-
                Upstream: Capacity=0 CommitmentLimit=0
                Downstream: Capacity=0 CommitmentLimit=0
        Capabilities: [b0] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [14c] Power Budgeting
        Capabilities: [160] Device Serial Number c2-88-3d-fe-ff-4f-1e-00

06:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708S Gigabit
Ethernet (rev 12)
        Subsystem: Dell Unknown device 0208
        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: 64 bytes
        Interrupt: pin A routed to IRQ 18
        Region 0: Memory at da000000 (64-bit, non-prefetchable) [size=32M]
        Capabilities: [40] PCI-X non-bridge device
                Command: DPERE- ERO- RBC=512 OST=8
                Status: Dev=06:00.0 64bit+ 133MHz+ SCD- USC- DC=simple
DMMRBC=512 DMOST=8 DMCRS=32 RSCEM- 266MHz- 533MHz-
        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: Mask- 64bit+ Queue=0/0
Enable-
                Address: 8ba7fdde142ffbd8  Data: 6ddc

08:00.0 SCSI storage controller: LSI Logic / Symbios Logic SAS1068E PCI-Express
Fusion-MPT SAS (rev 08)
        Subsystem: Dell Unknown device 1f0f
        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
        Interrupt: pin A routed to IRQ 17
        Region 0: I/O ports at ec00 [size=256]
        Region 1: Memory at de2ec000 (64-bit, non-prefetchable) [size=16K]
        Region 3: Memory at de2f0000 (64-bit, non-prefetchable) [size=64K]
        Expansion ROM at de100000 [disabled] [size=1M]
        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: [68] Express Endpoint IRQ 0
                Device: Supported: MaxPayload 4096 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 L1, Port 0
                Link: Latency L0s <64ns, L1 <1us
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [98] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [b0] MSI-X: Enable- Mask- TabSize=1
                Vector table: BAR=1 offset=00002000
                PBA: BAR=1 offset=00003000
        Capabilities: [100] Advanced Error Reporting

09:00.0 Fibre Channel: QLogic Corp. QLA2432 Fibre Channel Adapter (rev 03)
        Subsystem: QLogic Corp. Unknown device 015b
        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
        Interrupt: pin A routed to IRQ 18
        Region 0: I/O ports at d800 [size=256]
        Region 1: Memory at de3f8000 (64-bit, non-prefetchable) [size=16K]
        Expansion ROM at de300000 [disabled] [size=256K]
        Capabilities: [44] 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: [4c] Express Endpoint IRQ 0
                Device: Supported: MaxPayload 1024 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <4us, L1 <1us
                Device: AtnBtn+ AtnInd+ PwrInd+
                Device: Errors: Correctable- Non-Fatal- Fatal+ Unsupported-
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 256 bytes, MaxReadReq 2048 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 0
                Link: Latency L0s <4us, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [64] Message Signalled Interrupts: Mask- 64bit+ Queue=0/4
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [74] Vital Product Data
        Capabilities: [7c] MSI-X: Enable+ Mask- TabSize=16
                Vector table: BAR=1 offset=00002000
                PBA: BAR=1 offset=00003000
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [138] Power Budgeting

09:00.1 Fibre Channel: QLogic Corp. QLA2432 Fibre Channel Adapter (rev 03)
        Subsystem: QLogic Corp. Unknown device 015b
        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
        Interrupt: pin B routed to IRQ 19
        Region 0: I/O ports at dc00 [size=256]
        Region 1: Memory at de3fc000 (64-bit, non-prefetchable) [size=16K]
        Expansion ROM at de500000 [disabled] [size=256K]
        Capabilities: [44] 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: [4c] Express Endpoint IRQ 0
                Device: Supported: MaxPayload 1024 bytes, PhantFunc 0, ExtTag-
                Device: Latency L0s <4us, L1 <1us
                Device: AtnBtn+ AtnInd+ PwrInd+
                Device: Errors: Correctable- Non-Fatal- Fatal+ Unsupported-
                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                Device: MaxPayload 256 bytes, MaxReadReq 2048 bytes
                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s, Port 0
                Link: Latency L0s <4us, L1 unlimited
                Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
                Link: Speed 2.5Gb/s, Width x4
        Capabilities: [64] Message Signalled Interrupts: Mask- 64bit+ Queue=0/4
Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [74] Vital Product Data
        Capabilities: [7c] MSI-X: Enable+ Mask- TabSize=16
                Vector table: BAR=1 offset=00002000
                PBA: BAR=1 offset=00003000
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [138] Power Budgeting

0d:04.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)
(prog-if 00 [VGA])
        Subsystem: Dell Unknown device 0208
        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 6
        Region 0: Memory at d0000000 (32-bit, prefetchable) [size=128M]
        Region 1: I/O ports at cc00 [size=256]
        Region 2: Memory at de4f0000 (32-bit, non-prefetchable) [size=64K]
        [virtual] Expansion ROM at de400000 [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-


debian-test:/usr/src/linux-2.6.22.19/scripts# cat /proc/modules
xt_length 2048 0 - Live 0xf8dc1000
ipt_ttl 1984 0 - Live 0xf8dbf000
xt_tcpmss 2304 0 - Live 0xf8dbd000
iptable_mangle 2912 0 - Live 0xf8dbb000
iptable_filter 3104 0 - Live 0xf8db9000
xt_multiport 3200 0 - Live 0xf8daf000
xt_limit 2720 0 - Live 0xf8923000
ipt_tos 1760 0 - Live 0xf8d9c000
ipt_REJECT 4128 0 - Live 0xf8db6000
ip_tables 12420 2 iptable_mangle,iptable_filter, Live 0xf8db1000
x_tables 14564 8
xt_length,ipt_ttl,xt_tcpmss,xt_multiport,xt_limit,ipt_tos,ipt_REJECT,ip_tables,
Live 0xf8d90000
button 8080 0 - Live 0xf8da9000
ac 5348 0 - Live 0xf8d99000
battery 10116 0 - Live 0xf8d95000
ipmi_devintf 9096 4 - Live 0xf8bc6000
ipmi_si 39308 2 - Live 0xf8d9e000
ipmi_msghandler 35024 2 ipmi_devintf,ipmi_si, Live 0xf8c28000
ipv6 236676 22 - Live 0xf8dd7000
mptctl 23460 2 - Live 0xf8c3c000
loop 16996 0 - Live 0xf8be1000
sg 32764 0 - Live 0xf8c33000
serio_raw 6852 0 - Live 0xf8bca000
tsdev 8160 0 - Live 0xf88d6000
joydev 9696 0 - Live 0xf8bcd000
psmouse 36112 0 - Live 0xf8c14000
shpchp 31316 0 - Live 0xf8c1f000
rtc 12568 0 - Live 0xf8c0f000
pci_hotplug 29408 1 shpchp, Live 0xf8c06000
sr_mod 16548 0 - Live 0xf8bdb000
cdrom 33056 1 sr_mod, Live 0xf8bd1000
evdev 9472 0 - Live 0xf8bc2000
ext3 121704 2 - Live 0xf8be7000
jbd 55528 1 ext3, Live 0xf8950000
mbcache 8516 1 ext3, Live 0xf88db000
dm_mirror 20896 0 - Live 0xf8949000
dm_snapshot 17060 0 - Live 0xf8943000
dm_mod 52384 7 dm_mirror,dm_snapshot, Live 0xf8bb4000
ide_generic 1312 0 [permanent], Live 0xf8832000
sd_mod 27360 3 - Live 0xf893b000
usbhid 25952 0 - Live 0xf8933000
usb_storage 75328 0 - Live 0xf89da000
ide_core 112164 2 ide_generic,usb_storage, Live 0xf89bd000
mptsas 27496 2 - Live 0xf891b000
qla2xxx 144388 0 - Live 0xf895f000
mptscsih 21408 1 mptsas, Live 0xf8914000
firmware_class 9728 1 qla2xxx, Live 0xf8856000
mptbase 52768 3 mptctl,mptsas,mptscsih, Live 0xf8925000
ehci_hcd 31340 0 - Live 0xf88b6000
scsi_transport_sas 27872 1 mptsas, Live 0xf8842000
scsi_transport_fc 33924 1 qla2xxx, Live 0xf885d000
uhci_hcd 22992 0 - Live 0xf884a000
usbcore 125736 5 usbhid,usb_storage,ehci_hcd,uhci_hcd, Live 0xf88f4000
bnx2 151256 0 - Live 0xf8890000
scsi_mod 136652 10
mptctl,sg,sr_mod,sd_mod,usb_storage,mptsas,qla2xxx,mptscsih,scsi_transport_sas,scsi_transport_fc,
Live 0xf886d000
thermal 13576 0 - Live 0xf8834000
processor 31176 1 thermal, Live 0xf8839000
fan 4964 0 - Live 0xf882b000


debian-test:/usr/src/linux# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
  Vendor: SEAGATE  Model: ST9146802SS      Rev: S229
  Type:   Direct-Access                    ANSI  SCSI revision: 05
Host: scsi0 Channel: 00 Id: 01 Lun: 00
  Vendor: SEAGATE  Model: ST9146802SS      Rev: S229
  Type:   Direct-Access                    ANSI  SCSI revision: 05
Host: scsi0 Channel: 01 Id: 00 Lun: 00
  Vendor: Dell     Model: VIRTUAL DISK     Rev: 1028
  Type:   Direct-Access                    ANSI  SCSI revision: 05
Host: scsi3 Channel: 00 Id: 00 Lun: 00
  Vendor:          Model: Virtual CDROM    Rev: 1.00
  Type:   CD-ROM                           ANSI  SCSI revision: 00
Host: scsi4 Channel: 00 Id: 00 Lun: 00
  Vendor:          Model: Virtual Floppy   Rev: 1.00
  Type:   Direct-Access                    ANSI  SCSI revision: 00


Software Environment:

debian-test:/usr/src/linux-2.6.22.19/scripts# ./ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux debian-test.pr.univmed.fr 2.6.22.19 #1 SMP Fri May 30 19:53:56 CEST 2008
i686 GNU/Linux

Gnu C                  4.1.2
Gnu make               3.81
binutils               2.17
util-linux             2.12r
mount                  2.12r
module-init-tools      3.3-pre2
e2fsprogs              1.40-WIP
Linux C Library        2.3.6
Dynamic linker (ldd)   2.3.6
Procps                 3.2.7
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.97
udev                   105
Modules Loaded         xt_length ipt_ttl xt_tcpmss iptable_mangle
iptable_filter xt_multiport xt_limit ipt_tos ipt_REJECT ip_tables x_tables
button ac battery ipmi_devintf ipmi_si ipmi_msghandler ipv6 mptctl loop sg
serio_raw tsdev joydev psmouse shpchp rtc pci_hotplug sr_mod cdrom evdev ext3
jbd mbcache dm_mirror dm_snapshot dm_mod ide_generic sd_mod usbhid usb_storage
ide_core mptsas qla2xxx mptscsih firmware_class mptbase ehci_hcd
scsi_transport_sas scsi_transport_fc uhci_hcd usbcore bnx2 scsi_mod thermal
processor fan

debian-test:/usr/src/linux-2.6.22.19/scripts# cat /proc/ioports
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
03c0-03df : vga+
03f8-03ff : serial
0800-087f : pnp 00:05
  0800-0803 : ACPI PM1a_EVT_BLK
  0804-0805 : ACPI PM1a_CNT_BLK
  0808-080b : ACPI PM_TMR
  0810-0815 : ACPI CPU throttle
  0828-082f : ACPI GPE0_BLK
  0850-0850 : ACPI PM2_CNT_BLK
0880-08bf : pnp 00:05
08c0-08df : pnp 00:05
08e0-08e3 : pnp 00:05
0900-0900 : pnp 00:05
0c00-0c7f : pnp 00:05
0ca0-0ca1 : pnp 00:05
0ca2-0ca2 : pnp 00:06
  0ca2-0ca2 : ipmi_si
0ca3-0ca3 : pnp 00:06
  0ca3-0ca3 : ipmi_si
0ca4-0caf : pnp 00:05
0cf8-0cff : PCI conf1
bc80-bc9f : 0000:00:1d.0
  bc80-bc9f : uhci_hcd
bca0-bcbf : 0000:00:1d.1
  bca0-bcbf : uhci_hcd
bcc0-bcdf : 0000:00:1d.2
  bcc0-bcdf : uhci_hcd
c000-cfff : PCI Bus #0d
  cc00-ccff : 0000:0d:04.0
d000-dfff : PCI Bus #09
  d800-d8ff : 0000:09:00.0
    d800-d8ff : qla2xxx
  dc00-dcff : 0000:09:00.1
    dc00-dcff : qla2xxx
e000-efff : PCI Bus #08
  ec00-ecff : 0000:08:00.0

debian-test:/usr/src/linux-2.6.22.19/scripts# cat /proc/iomem
00000000-0009ffff : System RAM
  00000000-00000000 : Crash kernel
000a0000-000bffff : Video RAM area
000c0000-000c8fff : Video ROM
000c9000-000c9fff : Adapter ROM
000ca000-000cbdff : Adapter ROM
000cc000-000cc1ff : Adapter ROM
000cc800-000d23ff : Adapter ROM
000f0000-000fffff : System ROM
00100000-cfeb1fff : System RAM
  00100000-00299ee9 : Kernel code
  00299eea-00335f43 : Kernel data
cfeb2000-cfec7fff : reserved
cfec8000-cfee7bff : ACPI Tables
cfee7c00-cfffffff : reserved
d0000000-d7ffffff : PCI Bus #0d
  d0000000-d7ffffff : 0000:0d:04.0
d8000000-ddffffff : PCI Bus #01
  da000000-ddffffff : PCI Bus #02
    da000000-dbffffff : PCI Bus #05
      da000000-dbffffff : PCI Bus #06
        da000000-dbffffff : 0000:06:00.0
          da000000-dbffffff : bnx2
    dc000000-ddffffff : PCI Bus #03
      dc000000-ddffffff : PCI Bus #04
        dc000000-ddffffff : 0000:04:00.0
          dc000000-ddffffff : bnx2
de0ff800-de0ffbff : 0000:00:1d.7
  de0ff800-de0ffbff : ehci_hcd
de100000-de2fffff : PCI Bus #08
  de100000-de1fffff : 0000:08:00.0
  de2ec000-de2effff : 0000:08:00.0
  de2f0000-de2fffff : 0000:08:00.0
de300000-de3fffff : PCI Bus #09
  de300000-de33ffff : 0000:09:00.0
  de3f8000-de3fbfff : 0000:09:00.0
    de3f8000-de3fbfff : qla2xxx
  de3fc000-de3fffff : 0000:09:00.1
    de3fc000-de3fffff : qla2xxx
de400000-de4fffff : PCI Bus #0d
  de400000-de41ffff : 0000:0d:04.0
  de4f0000-de4fffff : 0000:0d:04.0
de500000-de5fffff : PCI Bus #09
  de500000-de53ffff : 0000:09:00.1
e0000000-efffffff : reserved
fe000000-ffffffff : reserved
100000000-22fffffff : System RAM



Problem Description:

Depending on the kernel version writes are fast or slow on every kernel above
2.6.22 We have tested various driver versions, used utilities for firmware, but
still slow writes on latest kernels. We compiled and tested more than 20
kernels
We just discovered that after a quick test on new dell hardware poweredge m600.

Most of the current distrib are on 2.6.18, except Ubuntu and various vserver or
openvz kernels for debian. We tested redhat and suse too.




Steps to reproduce:

Very easy: We also check for an untar of the kernel (5x slower)
debian-test:~# dd if=/dev/zero of=/root/test.cdrom bs=10k count=60000
60000+0 enregistrements lus
60000+0 enregistrements écrits
614400000 octets (614 MB) copiés, 1,17602 seconde, 522 MB/s
debian-test:~# uname -a
Linux debian-test.pr.univmed.fr 2.6.19.7 #1 SMP Fri May 30 15:55:50 CEST 2008
i686 GNU/Linux

debian:~# dd if=/dev/zero of=test.cdrom  bs=10k count=60000
60000+0 records in
60000+0 records out
614400000 bytes (614 MB) copied, 7.51225 seconds, 81.8 MB/s
debian:~# uname -a
Linux debian 2.6.22-4-vserver-686 #1 SMP Tue Feb 12 22:02:04 UTC 2008 i686
GNU/Linux


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