I'm having the same issue, but native to Ubuntu 14.04 and 16.04 (kernel 4.2.0) on Dell Precision 7510 with Broadcom 5880. Card reads successfully from SCRx31 USB reader. Card also works on kernel 3.13.0 (different Dell computer) with same Broadcom 5880 reader.
May 1 19:06:41 m-Precision pcscd: eventhandler.c:313:EHStatusHandlerThread() Error communicating to: Broadcom Corp 5880 [Contacted SmartCard] (0123456789ABCD) 00 00 May 1 19:06:46 m-Precision kernel: [15276.197331] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.426405] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.442649] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision kernel: [15276.465888] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? May 1 19:06:46 m-Precision pcscd: commands.c:1456:CCID_Receive() Can't read all data (54 out of 92 expected) May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:214:t1_transceive() fatal: transmit/receive failed May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:46 m-Precision pcscd: openct/proto-t1.c:170:t1_transceive() T=1 state machine is DEAD. Reset the card first. May 1 19:06:46 m-Precision pcscd: ifdwrapper.c:527:IFDTransmit() Card not transacted: 612 May 1 19:06:46 m-Precision pcscd: winscard.c:1612:SCardTransmit() Card not transacted: 0x80100016 May 1 19:06:47 m-Precision pcscd: ccid_usb.c:790:ReadUSB() read failed (1/2): -8 Resource temporarily unavailable May 1 19:06:47 m-Precision pcscd: ifdwrapper.c:348:IFDStatusICC() Card not transacted: 612 May 1 19:06:47 m-Precision pcscd: eventhandler.c:313:EHStatusHandlerThread() Error communicating to: Broadcom Corp 5880 [Contacted SmartCard] (0123456789ABCD) 00 00 May 1 19:06:52 m-Precision kernel: [15281.960976] xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 4 with no TDs queued? The above cycles on syslog roughly every second. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1541997 Title: dmesg flooded with xhci_hcd warnings "WARN Event TRB for slot 1 ep 8 with no TDs queued?" Status in linux package in Ubuntu: Incomplete Bug description: I am running vmware, hosting a Windows 10 guest, relaying USB smartcard reader and see a flood of following warnings in dmesg: "xhci_hcd 0000:00:14.0: WARN Event TRB for slot 1 ep 8 with no TDs queued?" I only presume they are related to vmware/usb smartcard reader, I can't be sure. ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-27-generic 4.2.0-27.32 ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1 Uname: Linux 4.2.0-27-generic x86_64 ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC1D0p: cromo 2748 F...m pulseaudio /dev/snd/controlC1: cromo 2748 F.... pulseaudio /dev/snd/controlC0: cromo 2748 F.... pulseaudio /dev/snd/timer: cromo 2748 f.... pulseaudio CurrentDesktop: GNOME Date: Thu Feb 4 14:19:30 2016 HibernationDevice: RESUME=UUID=3cd6beac-9b2b-4af8-9004-fdec2b01f2df InstallationDate: Installed on 2013-04-24 (1016 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1) MachineType: Dell Inc. Latitude E6230 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic root=UUID=50ed3eed-05f6-4dce-b5d6-86a6519d89c1 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.2.0-27-generic N/A linux-backports-modules-4.2.0-27-generic N/A linux-firmware 1.149.3 SourcePackage: linux UpgradeStatus: Upgraded to wily on 2015-10-28 (98 days ago) dmi.bios.date: 05/20/2013 dmi.bios.vendor: Dell Inc. dmi.bios.version: A10 dmi.board.name: 0GWYCT dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA10:bd05/20/2013:svnDellInc.:pnLatitudeE6230:pvr01:rvnDellInc.:rn0GWYCT:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6230 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. 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