http://bugzilla.opensuse.org/show_bug.cgi?id=1185532 Bug ID: 1185532 Summary: kernel: usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.2 Hardware: x86-64 OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-bugs@opensuse.org Reporter: Ulrich.Windl@rz.uni-regensburg.de QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Found these messages when booting: May 02 14:35:14 localhost kernel: xhci_hcd 0000:04:00.3: xHCI Host Controller May 02 14:35:14 localhost kernel: xhci_hcd 0000:04:00.3: new USB bus registered, assigned bus number 2 May 02 14:35:14 localhost kernel: xhci_hcd 0000:04:00.3: Host supports USB 3.1 Enhanced SuperSpeed May 02 14:35:14 localhost kernel: usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. May 02 14:35:14 localhost kernel: usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.03 May 02 14:35:14 localhost kernel: usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 May 02 14:35:14 localhost kernel: usb usb2: Product: xHCI Host Controller May 02 14:35:14 localhost kernel: usb usb2: Manufacturer: Linux 5.3.18-lp152.72-default xhci-hcd May 02 14:35:14 localhost kernel: usb usb2: SerialNumber: 0000:04:00.3 May 02 14:35:14 localhost kernel: hub 2-0:1.0: USB hub found May 02 14:35:14 localhost kernel: hub 2-0:1.0: 2 ports detected Hardware is a Lenovo ThinkPad E15 (2nd Gen) with an AMD Ryzen 7 mobile 4700U: # lspci -s 0000:04:00.3 04:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1 # lspci -s 0000:04:00.3 -vv 04:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Renoir USB 3.1 (prog-if 30 [XHCI]) Subsystem: Lenovo Device 507f 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: 32 bytes Interrupt: pin D routed to IRQ 30 Region 0: Memory at fd000000 (64-bit, non-prefetchable) [size=1M] Capabilities: [48] Vendor Specific Information: Len=08 <?> 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: [64] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset- SlotPowerLimit 0.000W DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 512 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- TransPend- LnkCap: Port #0, Speed 16GT/s, Width x16, ASPM L0s L1, Exit Latency L0s <64ns, L1 <1us ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+ LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 16GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-, OBFF Not Supported AtomicOpsCap: 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled AtomicOpsCtl: ReqEn- LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete-, EqualizationPhase1- EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- Capabilities: [a0] MSI: Enable- Count=1/8 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Capabilities: [c0] MSI-X: Enable+ Count=8 Masked- Vector table: BAR=0 offset=000fe000 PBA: BAR=0 offset=000ff000 Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?> Kernel driver in use: xhci_hcd Kernel modules: xhci_pci # lsusb -s 2:1 -v Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 3.10 bDeviceClass 9 Hub bDeviceSubClass 0 bDeviceProtocol 3 bMaxPacketSize0 9 idVendor 0x1d6b Linux Foundation idProduct 0x0003 3.0 root hub bcdDevice 5.03 iManufacturer 3 Linux 5.3.18-lp152.72-default xhci-hcd iProduct 2 xHCI Host Controller iSerial 1 0000:04:00.3 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 31 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xe0 Self Powered Remote Wakeup MaxPower 0mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 9 Hub bInterfaceSubClass 0 bInterfaceProtocol 0 Full speed (or root) hub iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0004 1x 4 bytes bInterval 12 bMaxBurst 0 can't get hub descriptor, LIBUSB_ERROR_PIPE (Resource temporarily unavailable) Binary Object Store Descriptor: bLength 5 bDescriptorType 15 wTotalLength 35 bNumDeviceCaps 2 SuperSpeed USB Device Capability: bLength 10 bDescriptorType 16 bDevCapabilityType 3 bmAttributes 0x02 Latency Tolerance Messages (LTM) Supported wSpeedsSupported 0x0008 Device can operate at SuperSpeed (5Gbps) bFunctionalitySupport 3 Lowest fully-functional device speed is SuperSpeed (5Gbps) bU1DevExitLat 0 micro seconds bU2DevExitLat 0 micro seconds ** UNRECOGNIZED: 14 10 0a 00 01 00 00 00 01 00 00 00 34 00 05 00 b4 00 05 00 can't get debug descriptor: Resource temporarily unavailable Device Status: 0x0001 Self Powered -- You are receiving this mail because: You are on the CC list for the bug.