lspci -vvvv 0000:01:00.0 Network controller: NVIDIA Corporation Device 2296 Subsystem: NVIDIA Corporation Device 0000 Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Capabilities: [190 v1] Lane Margining at the Receiver Capabilities: [1b8 v1] Latency Tolerance Reporting Max snoop latency: 0ns Max no snoop latency: 0ns Capabilities: [1c0 v1] L1 PM Substates L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2- ASPM_L1.1- L1_PM_Substates+ PortCommonModeRestoreTime=60us PortTPowerOnTime=40us L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1- T_CommonMode=0us L1SubCtl2: T_PwrOn=10us Capabilities: [1d0 v1] Vendor Specific Information: ID=0002 Rev=4 Len=100 Capabilities: [2d0 v1] Vendor Specific Information: ID=0001 Rev=1 Len=038 Capabilities: [308 v1] Data Link Feature Capabilities: [314 v1] Precision Time Measurement PTMCap: Requester:+ Responder:- Root:- PTMClockGranularity: Unimplemented PTMControl: Enabled:- RootSelected:- PTMEffectiveGranularity: Unknown Capabilities: [320 v1] Vendor Specific Information: ID=0003 Rev=1 Len=054 Capabilities: [388 v1] Vendor Specific Information: ID=0006 Rev=0 Len=018 Kernel driver in use: tvnet