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[74.215.254.164]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-88993b41f86sm75750246d6.3.2025.12.16.06.23.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Dec 2025 06:23:53 -0800 (PST) Date: Tue, 16 Dec 2025 09:23:52 -0500 From: Adam Stylinski To: Ilpo =?iso-8859-1?Q?J=E4rvinen?= Cc: linux-pci@vger.kernel.org, bhelgaas@google.com Subject: Re: Kernel regression in 6.13 Message-ID: References: <09dc94cd-6247-231a-7bcc-27aaeb3b5176@linux.intel.com> <3c61a43d-2a2f-0cd7-eafc-e34fb36f2274@linux.intel.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3c61a43d-2a2f-0cd7-eafc-e34fb36f2274@linux.intel.com> User-Agent: Mutt/2.2.14 (2025-02-20) On Tue, Dec 16, 2025 at 04:14:10PM +0200, Ilpo Järvinen wrote: > On Tue, 16 Dec 2025, Adam Stylinski wrote: > > > On Tue, Dec 16, 2025 at 11:49:45AM +0200, Ilpo Järvinen wrote: > > > On Mon, 15 Dec 2025, Adam Stylinski wrote: > > > > > > > Hello, > > > > > > > > I seem to be encountering a regression that prevents my system from > > > > booting. The regression occurred between 6.12 and 6.13. I've bisected > > > > it to this commit: > > > > 665745f274870c921020f610e2c99a3b1613519b > > > > > > > > Some info about this system: it's ancient. It's a Q9650 that I used as a > > > > mythbackend/frontend for over a decade. This booting failure on newer > > > > kernels finally forced my hand to buy new a "new" PCI Express based > > > > tuner and upgrade the system into the modern age. It boots via MBR on a > > > > P45 based chipset (A P5Q Plus board, to be precise). Given the age, I > > > > chalked the issue up to possibly some failing hardware or memory > > > > corruption that happened at compile time. I recently pulled the system > > > > back out again to do some performance testing in zlib-ng only to find > > > > out it hangs on the latest Ubuntu server ISO. I figured at this point it > > > > wasn't something specific to my kernel config / compilation and it's > > > > likely a regression. It's also old enough that I may be in the position > > > > of the only one having this problem, so I took it upon myself to bisect > > > > what was going on. Let me know if there's anything you'd like me to test > > > > or try. > > > > > > Hi, > > > > > > Thanks for the report. > > > > > > In pcie_bwnotif_enable() there's pcie_capability_set_word() that enables > > > bandwidth notifications: > > > > > > pcie_capability_set_word(port, PCI_EXP_LNKCTL, > > > PCI_EXP_LNKCTL_LBMIE | PCI_EXP_LNKCTL_LABIE); > > > > > > So as the first step change those PCI_EXP_LNKCTL_LBMIE | > > > PCI_EXP_LNKCTL_LABIE into 0 to see if not enabling the bandwitdh > > > notification allows the system to come up. > > > > > > I suggest not trying this directly at the top of 665745f27487 > > > ("PCI/bwctrl: Re-add BW notification portdrv as PCIe BW controller") > > > but on a kernel that is expected to have fixes since 665745f27487 > > > including those made to the other PCIe service drivers that share > > > interrupt handler with bwctrl (so basically some stable version). > > > > > > If that works try to enable those bits one at a time. > > > > > > Please also send lspci -vvv. > > > > > > -- > > > i. > > > > > > > I'll try changing those values atop of the 6.18 tagged commit and let you know how it goes. Thanks for looking into this. > > The privileged lspci -vv output is below: > > > > 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03) > > Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- > > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- > Latency: 0 > > Capabilities: [e0] Vendor Specific Information: Intel > > > > 00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03) (prog-if 00 [Normal decode]) > > Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ > > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- > Latency: 0, Cache Line Size: 32 bytes > > Interrupt: pin A routed to IRQ 24 > > Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 > > I/O behind bridge: c000-cfff [size=4K] [16-bit] > > Memory behind bridge: fd000000-fe9fffff [size=26M] [32-bit] > > Prefetchable memory behind bridge: c0000000-dfffffff [size=512M] [32-bit] > > Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- > BridgeCtl: Parity- SERR+ NoISA- VGA+ VGA16+ MAbort- >Reset- FastB2B- > > PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- > > Capabilities: [88] Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard > > Capabilities: [80] Power Management version 3 > > Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) > > Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- > > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > > Address: fee02000 Data: 0020 > > Capabilities: [a0] Express (v2) Root Port (Slot+), IntMsgNum 0 > > DevCap: MaxPayload 128 bytes, PhantFunc 0 > > ExtTag- RBE+ TEE-IO- > > DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- > > RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- > > MaxPayload 128 bytes, MaxReadReq 128 bytes > > DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend- > > LnkCap: Port #2, Speed 5GT/s, Width x16, ASPM L0s, Exit Latency L0s <256ns > > ClockPM- Surprise- LLActRep- BwNot+ ASPMOptComp- > > LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ > > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- > > LnkSta: Speed 2.5GT/s, Width x16 > > TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt+ > > At least this Root Port has both BWMgmt and ABWMgmt asserted (not a > problem in itself, necessarily). > > If you get the system working by changing that set_word call, it's worth > to check if these got reasserted (bwctrl tries to clear them right after > the set word call but it could be they get reasserted). > > -- > i. Yes, I was able to boot after forcing those flags to zero. Here's lspci -vvv after booting into 6.18: 00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- lspci: Unable to load libkmod resources: error -2 00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03) (prog-if 00 [Normal decode]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [88] Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Capabilities: [80] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME- Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee02000 Data: 0020 Capabilities: [a0] Express (v2) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend- LnkCap: Port #2, Speed 5GT/s, Width x16, ASPM L0s, Exit Latency L0s <256ns ClockPM- Surprise- LLActRep- BwNot+ ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- LnkSta: Speed 2.5GT/s, Width x16 TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- Surprise- Slot #0, PowerLimit 75W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- Changed: MRL- PresDet+ LinkState- RootCap: CRSVisible- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- DevCap2: Completion Timeout: Not Supported, TimeoutDis- NROPrPrP- LTR- 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- LN System CLS Not Supported, TPHComp- ExtTPHComp- ARIFwd- AtomicOpsCap: Routing- 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd- AtomicOpsCtl: ReqEn- EgressBlck- IDOReq- IDOCompl- LTR- EmergencyPowerReductionReq- 10BitTagReq- OBFF Disabled, EETLPPrefixBlk- LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis- Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete- EqualizationPhase1- EqualizationPhase2- EqualizationPhase3- LinkEqualizationRequest- Retimer- 2Retimers- CrosslinkRes: unsupported, FltMode- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed- WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed+ WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- Capabilities: [140 v1] Root Complex Link Desc: PortNumber=02 ComponentID=01 EltType=Config Link0: Desc: TargetPort=00 TargetComponent=01 AssocRCRB- LinkType=MemMapped LinkValid+ Addr: 00000000fed19000 Kernel driver in use: pcieport 00:1a.0 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1a.1 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1a.2 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1a.7 USB controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2 (prog-if 20 [EHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: ehci-pci 00:1c.0 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root Port 1 (prog-if 00 [Normal decode]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v1) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <256ns, L1 <4us ClockPM- Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- LnkSta: Speed 2.5GT/s, Width x0 TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #0, PowerLimit 10W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- Changed: MRL- PresDet- LinkState- RootCap: CRSVisible- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000 Capabilities: [90] Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed+ WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed+ WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- Capabilities: [180 v1] Root Complex Link Desc: PortNumber=01 ComponentID=00 EltType=Config Link0: Desc: TargetPort=00 TargetComponent=00 AssocRCRB- LinkType=MemMapped LinkValid+ Addr: 00000000fed1c000 Kernel driver in use: pcieport 00:1c.4 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root Port 5 (prog-if 00 [Normal decode]) Subsystem: ASUSTeK Computer Inc. Device 82d4 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v1) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #5, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <256ns, L1 <4us ClockPM- Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- LnkSta: Speed 2.5GT/s, Width x1 TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #0, PowerLimit 10W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- Changed: MRL- PresDet+ LinkState+ RootCap: CRSVisible- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000 Capabilities: [90] Subsystem: ASUSTeK Computer Inc. Device 82d4 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed+ WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed+ WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- Capabilities: [180 v1] Root Complex Link Desc: PortNumber=05 ComponentID=00 EltType=Config Link0: Desc: TargetPort=00 TargetComponent=00 AssocRCRB- LinkType=MemMapped LinkValid+ Addr: 00000000fed1c000 Kernel driver in use: pcieport 00:1c.5 PCI bridge: Intel Corporation 82801JI (ICH10 Family) PCI Express Root Port 6 (prog-if 00 [Normal decode]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v1) Root Port (Slot+), IntMsgNum 0 DevCap: MaxPayload 128 bytes, PhantFunc 0 ExtTag- RBE+ TEE-IO- DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ TransPend- LnkCap: Port #6, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <256ns, L1 <4us ClockPM- Surprise- LLActRep+ BwNot- ASPMOptComp- LnkCtl: ASPM Disabled; RCB 64 bytes, LnkDisable- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- FltModeDis- LnkSta: Speed 2.5GT/s, Width x1 TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #0, PowerLimit 10W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- Changed: MRL- PresDet+ LinkState+ RootCap: CRSVisible- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000 Capabilities: [90] Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100 v1] Virtual Channel Caps: LPEVC=0 RefClk=100ns PATEntryBits=1 Arb: Fixed+ WRR32- WRR64- WRR128- Ctrl: ArbSelect=Fixed Status: InProgress- VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans- Arb: Fixed+ WRR32- WRR64- WRR128- TWRR128- WRR256- Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01 Status: NegoPending- InProgress- Capabilities: [180 v1] Root Complex Link Desc: PortNumber=06 ComponentID=00 EltType=Config Link0: Desc: TargetPort=00 TargetComponent=00 AssocRCRB- LinkType=MemMapped LinkValid+ Addr: 00000000fed1c000 Kernel driver in use: pcieport 00:1d.0 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1d.1 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1d.2 USB controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3 (prog-if 00 [UHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: uhci_hcd 00:1d.7 USB controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1 (prog-if 20 [EHCI]) Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- Kernel driver in use: ehci-pci 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90) (prog-if 01 [Subtractive decode]) Subsystem: ASUSTeK Computer Inc. Device 82d4 Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [50] Subsystem: ASUSTeK Computer Inc. Device 82d4 00:1f.0 ISA bridge: Intel Corporation 82801JIB (ICH10) LPC Interface Controller Subsystem: ASUSTeK Computer Inc. Device 82d4 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller Subsystem: ASUSTeK Computer Inc. P5Q Deluxe Motherboard Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- Capabilities: [420 v2] Advanced Error Reporting UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UncorrIntErr- BlockedTLP- AtomicOpBlocked- TLPBlockedErr- PoisonTLPBlocked- DMWrReqBlocked- IDECheck- MisIDETLP- PCRC_CHECK- TLPXlatBlocked- UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- UncorrIntErr- BlockedTLP- AtomicOpBlocked- TLPBlockedErr- PoisonTLPBlocked- DMWrReqBlocked- IDECheck- MisIDETLP- PCRC_CHECK- TLPXlatBlocked- UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- UncorrIntErr+ BlockedTLP- AtomicOpBlocked- TLPBlockedErr- PoisonTLPBlocked- DMWrReqBlocked- IDECheck- MisIDETLP- PCRC_CHECK- TLPXlatBlocked- CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ CorrIntErr- HeaderOF- CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr+ CorrIntErr- HeaderOF+ AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- ECRCChkCap- ECRCChkEn- MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 00000000 00000000 00000000 00000000 Capabilities: [600 v1] Vendor Specific Information: ID=0001 Rev=1 Len=024 Capabilities: [900 v1] Secondary PCI Express LnkCtl3: LnkEquIntrruptEn- PerformEqu- LaneErrStat: 0 Capabilities: [bb0 v1] Physical Resizable BAR BAR 0: current size: 16MB, supported: 16MB BAR 1: current size: 256MB, supported: 64MB 128MB 256MB BAR 3: current size: 32MB, supported: 32MB 01:00.1 Audio device: NVIDIA Corporation TU116 High Definition Audio Controller (rev a1) Subsystem: Hewlett-Packard Company Device 87a5 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR-