The command below gets the controller working again for me. echo -n "0000:0a:00.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/unbind sleep 5 echo -n "0000:0a:00.0" | sudo tee /sys/bus/pci/drivers/xhci_hcd/bind
-- 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/1873439 Title: Logitech BRIO webcam fails with "xhci_hcd 0000:02:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13" Status in linux package in Ubuntu: Confirmed Bug description: [ 450.844431] xhci_hcd 0000:02:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 [ 450.844439] xhci_hcd 0000:02:00.0: Looking for event-dma 00000000fd473230 trb-start 00000000fd473210 trb-end 00000000fd473210 seg-start 00000000fd473000 seg-end 00000000fd473ff0 The above occurs while trying to use Cheese to access the Logitech BRIO webcam (USB device 046d:085e). Ultimately the webcam doesn't work with Cheese. When it produces any image at all, it is full of vertical bars and is in greyscale. Meanwhile dmesg shows hundreds of the above kernel messages. After getting out of Cheese, I unplugged and replugged the webcam. This produced: Apr 17 03:58:30 shh kernel: [ 1218.202407] usb 2-8: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Apr 17 03:58:35 shh kernel: [ 1223.341073] usb 2-8: device descriptor read/8, error -110 then a new series when plugged in: Apr 17 03:59:13 shh kernel: [ 1261.369494] usb 2-8: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd Apr 17 03:59:18 shh kernel: [ 1266.604852] usb 2-8: device descriptor read/8, error -110 which repeated a few times, interspersed with: Apr 17 03:59:34 shh kernel: [ 1282.848732] usb usb2-port8: attempt power cycle Apr 17 03:59:35 shh kernel: [ 1283.361363] usb 2-8: new SuperSpeed Gen 1 USB device number 6 using xhci_hcd Apr 17 03:59:40 shh kernel: [ 1288.621098] usb 2-8: device descriptor read/8, error -110 Apr 17 03:59:40 shh kernel: [ 1288.728918] usb 2-8: new SuperSpeed Gen 1 USB device number 6 using xhci_hcd Apr 17 03:59:46 shh kernel: [ 1293.996668] usb 2-8: device descriptor read/8, error -110 and ultimately: Apr 17 03:59:56 shh kernel: [ 1304.864636] usb usb2-port8: unable to enumerate USB device This dustup with the webcam also seems to screw up the USB interface to a nearby disk drive on a completely different USB port on the motherboard. The problem persists until the kernel is rebooted. Power cycling the webcam (it has no battery, so pulling the USB cord, waiting ten seconds, and replugging it suffices) does not fix the "error -110" issue, so the webcam can never be accessed again until the kernel is rebooted. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-24-generic 5.4.0-24.28 ProcVersionSignature: Ubuntu 5.4.0-24.28-generic 5.4.30 Uname: Linux 5.4.0-24-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-id', '/dev/snd/controlC2', '/dev/snd/pcmC2D0c', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D4c', '/dev/snd/pcmC1D4p', '/dev/snd/pcmC1D2c', '/dev/snd/pcmC1D1p', '/dev/snd/pcmC1D0c', '/dev/snd/pcmC1D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Fri Apr 17 03:54:10 2020 InstallationDate: Installed on 2020-04-17 (0 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402) IwConfig: enp5s0 no wireless extensions. enp6s0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. AX370-Gaming 5 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 nouveaudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-24-generic root=UUID=35b84e12-683c-43ea-9b3f-64fae90e1984 ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-24-generic N/A linux-backports-modules-5.4.0-24-generic N/A linux-firmware 1.187 RfKill: SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/16/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F25 dmi.board.asset.tag: Default string dmi.board.name: AX370-Gaming 5 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF25:bd01/16/2019:svnGigabyteTechnologyCo.,Ltd.:pnAX370-Gaming5:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnAX370-Gaming5:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: AX370-Gaming 5 dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Gigabyte Technology Co., Ltd. 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