# uname -a Linux 1void 6.12.9_1 #1 SMP PREEMPT_DYNAMIC Fri Jan 10 00:53:27 UTC 2025 x86_64 GNU/Linux
OK. I'm getting somewhere and starting to get a pretty picture of what is likely transpiring! My xhci_hcd fail on this bug is occurring on my second bus. (eg. dmesg |grep 2-4 -> usb 2-4) This is second USB bus on the Gigabyte "Z790 UD AC" make/model board is the 5GB USB device! lsusb -t Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/9p, 20000M/x2 Port 004: Dev 009, If 0, Class=Hub, Driver=hub/4p, 5000M Port 006: Dev 018, If 0, Class=Mass Storage, Driver=usb-storage, 5000M DEVICE IDs idVendor=0451, idProduct=8041 (hub) dmesg |grep 2-4 [ 6.497899] usb 2-4: new SuperSpeed USB device number 2 using xhci_hcd [ 6.509171] usb 2-4: New USB device found, idVendor=0451, idProduct=8041, bcdDevice= 1.00 [ 6.509175] usb 2-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.509932] hub 2-4:1.0: USB hub found [ 6.509959] hub 2-4:1.0: 4 ports detected Looks like this is occurring on the Gigabyte Z790 UD AC 1 x USB 3.2 Gen 2 bus/ports, red port rated for 5Gb/s and reporting 5000Mb/s via Linux USB utilities. Since this 5GB USB tech is likely new, likely seeing a bug with with either the BIOS/EFI initialization of the on-board motherboard USB 5GB PCI device, or a kernel driver bug with initialization of the on-board motherboard USB 5GB PCI device. I'm more less guessing, the bug is Linux kernel driver related, as I'm not seeing significant similar delays with Windows 11. This bug is still occurring apparently randomly, from reboot to cold start, without apparent pattern here. -- 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/1667750 Title: xhci_hcd: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Status in HWE Next: Fix Released Status in Linux: Confirmed Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Released Status in linux source package in Zesty: Fix Released Status in linux source package in Artful: Fix Released Status in linux package in Arch Linux: New Status in linux package in Debian: New Status in linux package in Fedora: Confirmed Bug description: [SRU Justification] [Impact] Dell TB16 docking station has issue to use gigabit ethernet. The ethernet will disconnect unless it's changed to 100Mb/s. [Test Case] Download some big files from the web. User confirms the patch fixes the issue. [Regression Potential] This patch only effects ASMEDIA's ASM1042A. The regression potential is low, also limited to the specific device. --- My system contains a Realtek Semiconductor Corp. RTL8153 Gigabit Ethernet Adapter which is on usb3 bus in my docking station (Dell TB16) which is attached to my laptop (Dell XPS9550) via Thunderbolt 3. I get usb related kernel error messages when I initiate a high speed transfer (by issuing wget http://cdimage.ubuntu.com/daily- live/current/zesty-desktop-amd64.iso) and the download fails. This does not happened when the Ethernet adapter is connected to a 100Mb/s switch, but only when connected to 1000Mb/s. It also does not happened with slow traffic (e.g. web page browsing). This is not a new bug with kernel 4.10, but has been going on since at least 4.7 and maybe (probably?) since forever. I'm aware of several others with this configuration (RTL8153 on usb3 behind thunderbolt 3) that have the same issue. This bug is also not specific to Ubuntu; I also get it on Arch Linux. I've also tested and seen this bug with several different models of thunderbolt 3 docks. Here are the relevant kernel log messages: Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9010 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9020 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9030 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9040 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9050 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:38 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9060 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:39 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:39 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9070 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:42:39 ubuntu kernel: xhci_hcd 0000:0e:00.0: ERROR Transfer event TRB DMA ptr not part of current TD ep_index 2 comp_code 13 Feb 24 16:42:39 ubuntu kernel: xhci_hcd 0000:0e:00.0: Looking for event-dma 00000004777d9080 trb-start 0000000475a14fe0 trb-end 0000000475a14fe0 seg-start 0000000475a14000 seg-end 0000000475a14ff0 Feb 24 16:43:06 ubuntu kernel: r8152 4-1.2:1.0 enx204747f8f471: Tx timeout Feb 24 16:43:06 ubuntu kernel: r8152 4-1.2:1.0 enx204747f8f471: Tx status -2 Feb 24 16:43:06 ubuntu kernel: r8152 4-1.2:1.0 enx204747f8f471: Tx status -2 Feb 24 16:43:06 ubuntu kernel: r8152 4-1.2:1.0 enx204747f8f471: Tx status -2 Feb 24 16:43:06 ubuntu kernel: r8152 4-1.2:1.0 enx204747f8f471: Tx status -2 Feb 24 16:43:09 ubuntu kernel: usb 4-1.2: reset SuperSpeed USB device number 3 using xhci_hcd I can't seem to make this bug appear with any other type of USB traffic. I've reported it to the realtek kernel dev team and they don't think their RTL8153 driver (in this case the r8152 module) is to blame, but instead that it's an xhci_hcd issue. If you look through the dmesg log attached here, you'll see that at 45.967025 I plugged the thunderbolt 3 cable from my dock into my laptop. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-image-4.10.0-8-generic 4.10.0-8.10 ProcVersionSignature: Ubuntu 4.10.0-8.10-generic 4.10.0-rc8 Uname: Linux 4.10.0-8-generic x86_64 ApportVersion: 2.20.4-0ubuntu2 Architecture: amd64 CasperVersion: 1.380 CurrentDesktop: Unity:Unity7 Date: Fri Feb 24 16:53:35 2017 LiveMediaBuild: Ubuntu 17.04 "Zesty Zapus" - Alpha amd64 (20170224) MachineType: Dell Inc. XPS 15 9550 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --- RelatedPackageVersions: linux-restricted-modules-4.10.0-8-generic N/A linux-backports-modules-4.10.0-8-generic N/A linux-firmware 1.163 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/22/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.2.19 dmi.board.name: 0N7TVV dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.2.19:bd12/22/2016:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 15 9550 dmi.sys.vendor: Dell Inc. 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