Public bug reported:

Hello,

After upgrading to ubuntu 24.04, after a few reboots my touchpad stopped 
working.
After a while it started to work again, but now it stopped again.

When I run xinput my touchpad it is not listed.
$xinput
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Video Bus                                 id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Ideapad extra buttons                     id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=11   [slave  keyboard (3)]
    ↳ Microphone Mute Button                    id=12   [slave  keyboard (3)]

Some other information:

$cat /proc/version_signature > version.log
Ubuntu 6.8.0-31.31-generic 6.8.1

-----------------------------------------------------------------

$sudo lspci -vnvn > lspci-vnvn.log
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th 
Gen Core Processor Host Bridge/DRAM Registers [8086:1910] (rev 07)
        Subsystem: Lenovo Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor 
Host Bridge/DRAM Registers [17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ >SERR- <PERR- INTx-
        Latency: 0
        Capabilities: [e0] Vendor Specific Information: Len=10 <?>
        Kernel driver in use: skl_uncore

00:01.0 PCI bridge [0604]: Intel Corporation 6th-10th Gen Core Processor PCIe 
Controller (x16) [8086:1901] (rev 07) (prog-if 00 [Normal decode])
        Subsystem: Lenovo 6th-10th Gen Core Processor PCIe Controller (x16) 
[17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 120
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: d000-dfff [size=4K] [16-bit]
        Memory behind bridge: d1000000-d1ffffff [size=16M] [32-bit]
        Prefetchable memory behind bridge: a0000000-b1ffffff [size=288M] 
[32-bit]
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [88] Subsystem: Lenovo 6th-10th Gen Core Processor PCIe 
Controller (x16) [17aa:380a]
        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: fee04004  Data: 0020
        Capabilities: [a0] Express (v2) Root Port (Slot+), MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0
                        ExtTag- RBE+
                DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 256 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- 
TransPend-
                LnkCap: Port #2, Speed 8GT/s, Width x16, ASPM L0s L1, Exit 
Latency L0s <256ns, L1 <8us
                        ClockPM- Surprise- LLActRep- BwNot+ ASPMOptComp+
                LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x8
                        TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt+
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- 
Surprise-
                        Slot #1, 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 Via WAKE#, 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- LTR+ 
10BitTagReq- OBFF Via WAKE#, ARIFwd-
                         AtomicOpsCtl: ReqEn- EgressBlck-
                LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 8GT/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
        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=ff
                        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
        Capabilities: [d94 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Kernel driver in use: pcieport

00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530 
[8086:191b] (rev 06) (prog-if 00 [VGA controller])
        Subsystem: Lenovo HD Graphics 530 [17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 137
        Region 0: Memory at d0000000 (64-bit, non-prefetchable) [size=16M]
        Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at e000 [size=64]
        Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
        Capabilities: [40] Vendor Specific Information: Len=0c <?>
        Capabilities: [70] Express (v2) Root Complex Integrated Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0
                        ExtTag- RBE+ FLReset+
                DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- FLReset-
                        MaxPayload 128 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- 
TransPend-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis- 
NROPrPrP- LTR-
                         10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- 
EETLPPrefix-
                         EmergencyPowerReduction Not Supported, 
EmergencyPowerReductionInit-
                         FRS-
                         AtomicOpsCap: 32bit- 64bit- 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- 
10BitTagReq- OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
        Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee01004  Data: 0022
        Capabilities: [d0] 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] Process Address Space ID (PASID)
                PASIDCap: Exec+ Priv-, Max PASID Width: 14
                PASIDCtl: Enable- Exec- Priv-
        Capabilities: [200 v1] Address Translation Service (ATS)
                ATSCap: Invalidate Queue Depth: 00
                ATSCtl: Enable-, Smallest Translation Unit: 00
        Capabilities: [300 v1] Page Request Interface (PRI)
                PRICtl: Enable- Reset-
                PRISta: RF- UPRGI- Stopped-
                Page Request Capacity: 00008000, Page Request Allocation: 
00000000
        Kernel driver in use: i915
        Kernel modules: i915

00:14.0 USB controller [0c03]: Intel Corporation 100 Series/C230 Series Chipset 
Family USB 3.0 xHCI Controller [8086:a12f] (rev 31) (prog-if 30 [XHCI])
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family USB 3.0 xHCI 
Controller [17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 125
        Region 0: Memory at d2300000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [70] Power Management version 2
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA 
PME(D0-,D1-,D2-,D3hot+,D3cold+)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
                Address: 00000000fee08004  Data: 0021
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci

00:14.2 Signal processing controller [1180]: Intel Corporation 100 Series/C230 
Series Chipset Family Thermal Subsystem [8086:a131] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family Thermal 
Subsystem [17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin C routed to IRQ 18
        Region 0: Memory at d232a000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: [50] 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: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
                Address: 00000000  Data: 0000
        Kernel driver in use: intel_pch_thermal
        Kernel modules: intel_pch_thermal

00:16.0 Communication controller [0780]: Intel Corporation 100 Series/C230 
Series Chipset Family MEI Controller #1 [8086:a13a] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family MEI Controller 
[17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 136
        Region 0: Memory at d232c000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: [50] 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: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee40004  Data: 0022
        Kernel driver in use: mei_me
        Kernel modules: mei_me

00:17.0 SATA controller [0106]: Intel Corporation HM170/QM170 Chipset SATA 
Controller [AHCI Mode] [8086:a103] (rev 31) (prog-if 01 [AHCI 1.0])
        Subsystem: Lenovo HM170/QM170 Chipset SATA Controller [AHCI Mode] 
[17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 124
        Region 0: Memory at d2328000 (32-bit, non-prefetchable) [size=8K]
        Region 1: Memory at d2330000 (32-bit, non-prefetchable) [size=256]
        Region 2: I/O ports at e080 [size=8]
        Region 3: I/O ports at e088 [size=4]
        Region 4: I/O ports at e060 [size=32]
        Region 5: Memory at d232e000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee04004  Data: 0021
        Capabilities: [70] 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: [a8] SATA HBA v1.0 BAR4 Offset=00000004
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1c.0 PCI bridge [0604]: Intel Corporation 100 Series/C230 Series Chipset 
Family PCI Express Root Port #5 [8086:a114] (rev f1) (prog-if 00 [Normal 
decode])
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family PCI Express 
Root Port [17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 121
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: c000-cfff [size=4K] [16-bit]
        Memory behind bridge: d2200000-d22fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0
                        ExtTag- RBE+
                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 8GT/s, Width x1, ASPM L1, Exit Latency 
L1 <16us
                        ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1
                        TrErr- Train+ SlotClk+ DLActive+ BWMgmt+ ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- 
Surprise-
                        Slot #4, 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-
                DevCap2: Completion Timeout: Range ABC, 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- LTR+ 
10BitTagReq- OBFF Disabled, ARIFwd-
                         AtomicOpsCtl: ReqEn- EgressBlck-
                LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range, 
EnterModifiedCompliance- ComplianceSOS-
                         Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB 
preshoot
                LnkSta2: Current De-emphasis Level: -3.5dB, 
EqualizationComplete- EqualizationPhase1-
                         EqualizationPhase2- EqualizationPhase3- 
LinkEqualizationRequest-
                         Retimer- 2Retimers- CrosslinkRes: unsupported
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee08004  Data: 0020
        Capabilities: [90] Subsystem: Lenovo 100 Series/C230 Series Chipset 
Family PCI Express Root Port [17aa:380a]
        Capabilities: [a0] 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: [100 v0] Null
        Capabilities: [140 v1] Access Control Services
                ACSCap: SrcValid+ TransBlk+ ReqRedir+ CmpltRedir+ UpstreamFwd- 
EgressCtrl- DirectTrans-
                ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- 
EgressCtrl- DirectTrans-
        Capabilities: [200 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=40us PortTPowerOnTime=10us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=150us LTR1.2_Threshold=306176ns
                L1SubCtl2: T_PwrOn=150us
        Capabilities: [220 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Kernel driver in use: pcieport

00:1c.5 PCI bridge [0604]: Intel Corporation 100 Series/C230 Series Chipset 
Family PCI Express Root Port #6 [8086:a115] (rev f1) (prog-if 00 [Normal 
decode])
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family PCI Express 
Root Port [17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin B routed to IRQ 122
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        I/O behind bridge: b000-bfff [size=4K] [16-bit]
        Memory behind bridge: d2100000-d21fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0
                        ExtTag- RBE+
                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 8GT/s, Width x1, ASPM L1, Exit Latency 
L1 <16us
                        ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1
                        TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- 
Surprise-
                        Slot #5, 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-
                DevCap2: Completion Timeout: Range ABC, 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- LTR+ 
10BitTagReq- OBFF Disabled, ARIFwd-
                         AtomicOpsCtl: ReqEn- EgressBlck-
                LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range, 
EnterModifiedCompliance- ComplianceSOS-
                         Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB 
preshoot
                LnkSta2: Current De-emphasis Level: -3.5dB, 
EqualizationComplete- EqualizationPhase1-
                         EqualizationPhase2- EqualizationPhase3- 
LinkEqualizationRequest-
                         Retimer- 2Retimers- CrosslinkRes: unsupported
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee10004  Data: 0020
        Capabilities: [90] Subsystem: Lenovo 100 Series/C230 Series Chipset 
Family PCI Express Root Port [17aa:380a]
        Capabilities: [a0] 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: [100 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt+ 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr+
                AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- 
ECRCChkCap- ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 00000000 00000000 00000000 00000000
                RootCmd: CERptEn+ NFERptEn+ FERptEn+
                RootSta: CERcvd- MultCERcvd- UERcvd- MultUERcvd-
                         FirstFatal- NonFatalMsg- FatalMsg- IntMsg 0
                ErrorSrc: ERR_COR: 0000 ERR_FATAL/NONFATAL: 0000
        Capabilities: [140 v1] Access Control Services
                ACSCap: SrcValid+ TransBlk+ ReqRedir+ CmpltRedir+ UpstreamFwd- 
EgressCtrl- DirectTrans-
                ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- 
EgressCtrl- DirectTrans-
        Capabilities: [200 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=40us PortTPowerOnTime=10us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=150us LTR1.2_Threshold=306176ns
                L1SubCtl2: T_PwrOn=150us
        Capabilities: [220 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Kernel driver in use: pcieport

00:1d.0 PCI bridge [0604]: Intel Corporation 100 Series/C230 Series Chipset 
Family PCI Express Root Port #9 [8086:a118] (rev f1) (prog-if 00 [Normal 
decode])
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family PCI Express 
Root Port [17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 123
        Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
        I/O behind bridge: [disabled] [16-bit]
        Memory behind bridge: d2000000-d20fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort+ <SERR- <PERR-
        BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
                PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
        Capabilities: [40] Express (v2) Root Port (Slot+), MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0
                        ExtTag- RBE+
                DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 256 bytes, MaxReadReq 128 bytes
                DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+ 
TransPend-
                LnkCap: Port #9, Speed 8GT/s, Width x4, ASPM L1, Exit Latency 
L1 <16us
                        ClockPM- Surprise- LLActRep+ BwNot+ ASPMOptComp+
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 8GT/s, Width x4
                        TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt-
                SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- 
Surprise-
                        Slot #8, PowerLimit 25W; 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: Range ABC, 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- LTR+ 
10BitTagReq- OBFF Disabled, ARIFwd+
                         AtomicOpsCtl: ReqEn- EgressBlck-
                LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range, 
EnterModifiedCompliance- ComplianceSOS-
                         Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB 
preshoot
                LnkSta2: Current De-emphasis Level: -3.5dB, 
EqualizationComplete+ EqualizationPhase1+
                         EqualizationPhase2+ EqualizationPhase3+ 
LinkEqualizationRequest-
                         Retimer- 2Retimers- CrosslinkRes: unsupported
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
                Address: fee20004  Data: 0020
        Capabilities: [90] Subsystem: Lenovo 100 Series/C230 Series Chipset 
Family PCI Express Root Port [17aa:380a]
        Capabilities: [a0] 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: [100 v1] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt+ 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr+
                AERCap: First Error Pointer: 12, ECRCGenCap- ECRCGenEn- 
ECRCChkCap- ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 4a000001 03000004 00000000 00000000
                RootCmd: CERptEn+ NFERptEn+ FERptEn+
                RootSta: CERcvd- MultCERcvd- UERcvd- MultUERcvd-
                         FirstFatal- NonFatalMsg- FatalMsg- IntMsg 0
                ErrorSrc: ERR_COR: 0000 ERR_FATAL/NONFATAL: 0000
        Capabilities: [140 v1] Access Control Services
                ACSCap: SrcValid+ TransBlk+ ReqRedir+ CmpltRedir+ UpstreamFwd- 
EgressCtrl- DirectTrans-
                ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- 
EgressCtrl- DirectTrans-
        Capabilities: [200 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=40us PortTPowerOnTime=10us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=40us LTR1.2_Threshold=266240ns
                L1SubCtl2: T_PwrOn=220us
        Capabilities: [220 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Kernel driver in use: pcieport

00:1e.0 Signal processing controller [1180]: Intel Corporation 100 Series/C230 
Series Chipset Family Serial IO UART #0 [8086:a127] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family Serial IO UART 
[17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 20
        Region 0: Memory at d232d000 (64-bit, non-prefetchable) [size=4K]
        Capabilities: [80] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D3 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [90] Vendor Specific Information: Len=14 <?>
        Kernel driver in use: intel-lpss
        Kernel modules: intel_lpss_pci

00:1f.0 ISA bridge [0601]: Intel Corporation HM170 Chipset LPC/eSPI Controller 
[8086:a14e] (rev 31)
        Subsystem: Lenovo HM170 Chipset LPC/eSPI Controller [17aa:380a]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0

00:1f.2 Memory controller [0580]: Intel Corporation 100 Series/C230 Series 
Chipset Family Power Management Controller [8086:a121] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family Power 
Management Controller [17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Region 0: Memory at d2324000 (32-bit, non-prefetchable) [size=16K]

00:1f.3 Audio device [0403]: Intel Corporation 100 Series/C230 Series Chipset 
Family HD Audio Controller [8086:a170] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family HD Audio 
Controller [17aa:380a]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 64
        Interrupt: pin A routed to IRQ 140
        Region 0: Memory at d2320000 (64-bit, non-prefetchable) [size=16K]
        Region 4: Memory at d2310000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [50] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA 
PME(D0-,D1-,D2-,D3hot+,D3cold+)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee08004  Data: 0023
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel, snd_soc_avs

00:1f.4 SMBus [0c05]: Intel Corporation 100 Series/C230 Series Chipset Family 
SMBus [8086:a123] (rev 31)
        Subsystem: Lenovo 100 Series/C230 Series Chipset Family SMBus 
[17aa:380a]
        Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d232f000 (64-bit, non-prefetchable) [size=256]
        Region 4: I/O ports at efa0 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

01:00.0 3D controller [0302]: NVIDIA Corporation GM107M [GeForce GTX 950M] 
[10de:139a] (rev a2)
        Subsystem: Lenovo GM107M [GeForce GTX 950M] [17aa:380b]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 138
        Region 0: Memory at d1000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at a0000000 (64-bit, prefetchable) [size=256M]
        Region 3: Memory at b0000000 (64-bit, prefetchable) [size=32M]
        Region 5: I/O ports at d000 [size=128]
        Capabilities: [60] 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: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee02004  Data: 0023
        Capabilities: [78] Express (v2) Endpoint, MSI 00
                DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s 
unlimited, L1 <64us
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 75W
                DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq-
                        RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 256 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- 
TransPend-
                LnkCap: Port #0, Speed 8GT/s, Width x16, ASPM L0s L1, Exit 
Latency L0s <512ns, L1 unlimited
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+
                LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s (downgraded), Width x8 (downgraded)
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Range AB, TimeoutDis+ NROPrPrP- 
LTR+
                         10BitTagComp- 10BitTagReq- OBFF Via message, ExtFmt- 
EETLPPrefix-
                         EmergencyPowerReduction Not Supported, 
EmergencyPowerReductionInit-
                         FRS- TPHComp- ExtTPHComp-
                         AtomicOpsCap: 32bit- 64bit- 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 
10BitTagReq- OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
                LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis-
                         Transmit Margin: Normal Operating Range, 
EnterModifiedCompliance- ComplianceSOS-
                         Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB 
preshoot
                LnkSta2: Current De-emphasis Level: -3.5dB, 
EqualizationComplete+ EqualizationPhase1+
                         EqualizationPhase2+ EqualizationPhase3+ 
LinkEqualizationRequest-
                         Retimer- 2Retimers- CrosslinkRes: unsupported
        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=ff
                        Status: NegoPending- InProgress-
        Capabilities: [250 v1] Latency Tolerance Reporting
                Max snoop latency: 34326183936ns
                Max no snoop latency: 34326183936ns
        Capabilities: [258 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=255us PortTPowerOnTime=10us
                L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1-
                           T_CommonMode=0us LTR1.2_Threshold=0ns
                L1SubCtl2: T_PwrOn=10us
        Capabilities: [128 v1] Power Budgeting <?>
        Capabilities: [600 v1] Vendor Specific Information: ID=0001 Rev=1 
Len=024 <?>
        Capabilities: [900 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Kernel driver in use: nvidia
        Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia

02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 
802.11ac PCIe Wireless Network Adapter [10ec:8821]
        Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter 
[17aa:a814]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 139
        Region 0: I/O ports at c000 [size=256]
        Region 2: Memory at d2200000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
                Address: 00000000fee04004  Data: 0023
        Capabilities: [70] Express (v2) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 
<64us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 10W
                DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr+ 
TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s <512ns, L1 <64us
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis+ 
NROPrPrP- LTR+
                         10BitTagComp- 10BitTagReq- OBFF Via message/WAKE#, 
ExtFmt- EETLPPrefix-
                         EmergencyPowerReduction Not Supported, 
EmergencyPowerReductionInit-
                         FRS- TPHComp- ExtTPHComp-
                         AtomicOpsCap: 32bit- 64bit- 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis+ LTR+ 
10BitTagReq- OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
                LnkCap2: Supported Link Speeds: 2.5GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 2.5GT/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
        Capabilities: [100 v2] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr+
                AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- 
ECRCChkCap+ ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 00000000 00000000 00000000 00000000
        Capabilities: [140 v1] Device Serial Number 00-e0-4c-ff-fe-87-2b-01
        Capabilities: [150 v1] Latency Tolerance Reporting
                Max snoop latency: 3145728ns
                Max no snoop latency: 3145728ns
        Capabilities: [158 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=150us PortTPowerOnTime=150us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=0us LTR1.2_Threshold=306176ns
                L1SubCtl2: T_PwrOn=150us
        Kernel driver in use: rtl8821ae
        Kernel modules: rtl8821ae

03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. 
RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 
15)
        Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet 
Controller [17aa:0047]
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 64 bytes
        Interrupt: pin A routed to IRQ 17
        Region 0: I/O ports at b000 [size=256]
        Region 2: Memory at d2104000 (64-bit, non-prefetchable) [size=4K]
        Region 4: Memory at d2100000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 3
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA 
PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [70] Express (v2) Endpoint, MSI 01
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, 
L1 <64us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 10W
                DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 4096 bytes
                DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr+ 
TransPend-
                LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s unlimited, L1 <64us
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- 
LTR+
                         10BitTagComp- 10BitTagReq- OBFF Via message/WAKE#, 
ExtFmt- EETLPPrefix-
                         EmergencyPowerReduction Not Supported, 
EmergencyPowerReductionInit-
                         FRS- TPHComp- ExtTPHComp-
                         AtomicOpsCap: 32bit- 64bit- 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 
10BitTagReq- OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
                LnkCap2: Supported Link Speeds: 2.5GT/s, Crosslink- Retimer- 
2Retimers- DRS-
                LnkCtl2: Target Link Speed: 2.5GT/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
        Capabilities: [b0] MSI-X: Enable+ Count=4 Masked-
                Vector table: BAR=4 offset=00000000
                PBA: BAR=4 offset=00000800
        Capabilities: [100 v2] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr+
                AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- 
ECRCChkCap+ ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 00000000 00000000 00000000 00000000
        Capabilities: [140 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=ff
                        Status: NegoPending- InProgress-
        Capabilities: [160 v1] Device Serial Number 01-00-00-00-68-4c-e0-00
        Capabilities: [170 v1] Latency Tolerance Reporting
                Max snoop latency: 3145728ns
                Max no snoop latency: 3145728ns
        Capabilities: [178 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=150us PortTPowerOnTime=150us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=0us LTR1.2_Threshold=306176ns
                L1SubCtl2: T_PwrOn=150us
        Kernel driver in use: r8169
        Kernel modules: r8169

04:00.0 Non-Volatile memory controller [0108]: Kingston Technology Company, 
Inc. KC3000/FURY Renegade NVMe SSD E18 [2646:5013] (rev 01) (prog-if 02 [NVM 
Express])
        Subsystem: Kingston Technology Company, Inc. KC3000/FURY Renegade NVMe 
SSD E18 [2646:5013]
        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- 
<MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d2000000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [80] Express (v2) Endpoint, MSI 00
                DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s 
unlimited, L1 unlimited
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ 
SlotPowerLimit 25W
                DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+
                        RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-
                        MaxPayload 256 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr- 
TransPend-
                LnkCap: Port #0, Speed 16GT/s, Width x4, ASPM L1, Exit Latency 
L1 <64us
                        ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 8GT/s (downgraded), Width x4
                        TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- 
LTR+
                         10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ 
EETLPPrefix-
                         EmergencyPowerReduction Not Supported, 
EmergencyPowerReductionInit-
                         FRS- TPHComp- ExtTPHComp-
                         AtomicOpsCap: 32bit- 64bit- 128bitCAS-
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 
10BitTagReq- OBFF Disabled,
                         AtomicOpsCtl: ReqEn-
                LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 
2Retimers+ DRS-
                LnkCtl2: Target Link Speed: 16GT/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: Upstream Port
        Capabilities: [d0] MSI-X: Enable+ Count=33 Masked-
                Vector table: BAR=0 offset=00002000
                PBA: BAR=0 offset=00003000
        Capabilities: [e0] MSI: Enable- Count=1/8 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [f8] 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: [100 v1] Latency Tolerance Reporting
                Max snoop latency: 3145728ns
                Max no snoop latency: 3145728ns
        Capabilities: [110 v1] L1 PM Substates
                L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ 
L1_PM_Substates+
                          PortCommonModeRestoreTime=10us PortTPowerOnTime=220us
                L1SubCtl1: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+
                           T_CommonMode=0us LTR1.2_Threshold=266240ns
                L1SubCtl2: T_PwrOn=220us
        Capabilities: [128 v1] Alternative Routing-ID Interpretation (ARI)
                ARICap: MFVC- ACS-, Next Function: 0
                ARICtl: MFVC- ACS-, Function Group: 0
        Capabilities: [1e0 v1] Data Link Feature <?>
        Capabilities: [200 v2] Advanced Error Reporting
                UESta:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UEMsk:  DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
                UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- 
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
                CESta:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr-
                CEMsk:  RxErr- BadTLP- BadDLLP- Rollover- Timeout- 
AdvNonFatalErr+
                AERCap: First Error Pointer: 00, ECRCGenCap- ECRCGenEn- 
ECRCChkCap+ ECRCChkEn-
                        MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
                HeaderLog: 04000001 0000000f 04070008 d57eeee7
        Capabilities: [290 v1] Device Serial Number 00-00-00-00-00-00-00-00
        Capabilities: [2a0 v1] Power Budgeting <?>
        Capabilities: [300 v1] Secondary PCI Express
                LnkCtl3: LnkEquIntrruptEn- PerformEqu-
                LaneErrStat: 0
        Capabilities: [340 v1] Physical Layer 16.0 GT/s <?>
        Capabilities: [378 v1] Lane Margining at the Receiver <?>
        Kernel driver in use: nvme
        Kernel modules: nvme

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-31-generic 6.8.0-31.31
ProcVersionSignature: Ubuntu 6.8.0-31.31-generic 6.8.1
Uname: Linux 6.8.0-31-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/seq:        saptaru    3824 F.... pipewire
 /dev/snd/pcmC0D3p:   saptaru    3824 F...m pipewire
 /dev/snd/controlC0:  saptaru    3824 F.... pipewire
                      saptaru    3829 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Thu May 23 08:58:51 2024
InstallationDate: Installed on 2019-02-01 (1938 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 174f:14e6 Syntek Lenovo EasyCamera
 Bus 001 Device 003: ID 0bda:0821 Realtek Semiconductor Corp. RTL8821A Bluetooth
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: LENOVO 80RU
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-31-generic 
root=UUID=2fe74233-5167-4c47-a70a-b789526762d8 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-31-generic N/A
 linux-backports-modules-6.8.0-31-generic  N/A
 linux-firmware                            20240318.git3b128b60-0ubuntu2
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-05-14 (8 days ago)
dmi.bios.date: 07/11/2016
dmi.bios.release: 1.53
dmi.bios.vendor: LENOVO
dmi.bios.version: E5CN53WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lenovo ideapad 700-15ISK
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 700-15ISK
dmi.ec.firmware.release: 1.19
dmi.modalias: 
dmi:bvnLENOVO:bvrE5CN53WW:bd07/11/2016:br1.53:efr1.19:svnLENOVO:pn80RU:pvrLenovoideapad700-15ISK:rvnLENOVO:rnLenovoideapad700-15ISK:rvrNODPK:cvnLENOVO:ct10:cvrLenovoideapad700-15ISK:skuLENOVO_MT_80RU_BU_idea_FM_Lenovoideapad700-15ISK:
dmi.product.family: IDEAPAD
dmi.product.name: 80RU
dmi.product.sku: LENOVO_MT_80RU_BU_idea_FM_Lenovo ideapad 700-15ISK
dmi.product.version: Lenovo ideapad 700-15ISK
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug noble

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https://bugs.launchpad.net/bugs/2066825

Title:
  Lenovo Ideapad "lenovo 700-15isk 80ru" Touchpad not detected

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