I appreciate the info Mathias. I will work on getting a 3.16 kernel in testing on one of our systems and report back. Jay Larson Sr. Unix Administrator Katalyst Data Management Phone: 281-529-3200 Cell: 832-712-7251 KELMAN is now KATALYST! Please visit www.katalystdm.com! On 09/12/2014 08:26 AM, Mathias Nyman wrote: > Hi > > On 09/11/2014 05:18 PM, Jay Larson wrote: > > Mathias, > > > > I was not able to locate an official method of inquiring about issues with xhci, > > so I'm writing directly to you. If this is not the appropriate method please > > accept my apologies and kindly direct me to the proper place. > > > > Me, including the linux usb mailing list (added to cc), is the right combination > to ask > questions regarding xhci. > > > We have had a failure for which I have been asked to provide an explanation. A > > process that was accessing a USB 3.0 disk unexpectedly failed (Killed). We have > > had other issues where users have had to reboot to restore USB connectivity > > (possibly just reloading the module would have had the same effect). I can only > > surmise that there is either a problem with the hardware, or xhci. I am in > > particular curious if we could expect any significant benefits to using a more > > recent kernel. > > > > You should definitely use a more recent kernel, there are tons of changes since > 2.6.32, > and It's impossible for me to support old kernels. > > > [uname -a] > > Linux kdmlinux3 2.6.32-279.el6.x86_64 #1 SMP Fri Jun 22 12:19:21 UTC 2012 x86_64 > > x86_64 x86_64 GNU/Linux > > > > [lcpci -vv] > > 04:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev > > For example this quirk was added to 3.2 kernel concerning the NEC host: > > commit df711fc9962b9491af2b92bd0d21ecbfefe4e5fa > > xHCI: reset-on-resume quirk for NEC uPD720200 > > Julian Sikorski reports NEC uPD720200 does not work stable after suspend > and resume. Re-initialize the host in xhci_resume(). > > > If you can, please try with a 3.16 or 3.17-rc kernel and see if the issue still > exists. > > -Mathias > > (leaving rest of message here for reference for linux-usb readers) > > > > 04) (prog-if 30 [XHCI]) > > Physical Slot: 0-1 > > 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 16 > > Region 0: Memory at fe9fe000 (64-bit, non-prefetchable) [size=8K] > > 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: [70] MSI: Enable- Count=1/8 Maskable- 64bit+ > > Address: 0000000000000000 Data: 0000 > > Capabilities: [90] MSI-X: Enable+ Count=8 Masked- > > Vector table: BAR=0 offset=00001000 > > PBA: BAR=0 offset=00001080 > > Capabilities: [a0] Express (v2) Endpoint, MSI 00 > > DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s > > unlimited, L1 unlimited > > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- > > 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 5GT/s, Width x1, ASPM L0s L1, Latency L0 > > <4us, L1 unlimited > > ClockPM+ Surprise- LLActRep- BwNot- > > LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- > > 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+ > > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- > > LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-, > > Selectable De-emphasis: -6dB > > Transmit Margin: Normal Operating Range, > > EnterModifiedCompliance- ComplianceSOS- > > Compliance De-emphasis: -6dB > > LnkSta2: Current De-emphasis Level: -3.5dB > > Capabilities: [100] 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- NonFatalErr+ > > CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+ > > AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn- > > Capabilities: [140] Device Serial Number ff-ff-ff-ff-ff-ff-ff-ff > > Capabilities: [150] Latency Tolerance Reporting > > Max snoop latency: 0ns > > Max no snoop latency: 0ns > > Kernel driver in use: xhci_hcd > > Kernel modules: xhci-hcd > > > > [dmesg] > > xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep > > ffff88006e7a6ec0 > > xhci_hcd 0000:04:00.0: xHCI xhci_drop_endpoint called with disabled ep > > ffff88006e7a6f08 > > xhci_hcd 0000:04:00.0: ERROR: unexpected command completion code 0x0. > > usb 13-2: new SuperSpeed USB device number 18 using xhci_hcd > > usb 13-2: New USB device found, idVendor=1058, idProduct=1140 > > usb 13-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5 > > usb 13-2: Product: My Book 1140 > > usb 13-2: Manufacturer: Western Digital > > usb 13-2: SerialNumber: 504C313332314C414733595A5248 > > usb 13-2: configuration #1 chosen from 1 choice > > scsi26 : SCSI emulation for USB Mass Storage devices > > usb-storage: device found at 18 > > usb-storage: waiting for device to settle before scanning > > usb-storage: device scan complete > > usb 13-2: reset SuperSpeed USB device number 18 using xhci_hcd > > xhci_hcd 0000:04:00.0: xHCI host not responding to stop endpoint command. > > xhci_hcd 0000:04:00.0: Assuming host is dying, halting host. > > xhci_hcd 0000:04:00.0: Non-responsive xHCI host is not halting. > > xhci_hcd 0000:04:00.0: Completing active URBs anyway. > > xhci_hcd 0000:04:00.0: HC died; cleaning up > > > > I would be appreciative of any insight you might have. > > > > Thanks > > > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
