我在戴尔 XPS 13 9350 笔记本电脑上安装了 HP Thunderbolt 3 扩展坞（ASMedia ASM1042A），运行 kubuntu 16.10（目前已升级到内核 4.9），运行率为 50%。BIOS 已升级到最新版本（1.4.13）
显示端口和电源工作正常。外部音频端口在启动后约 10 分钟开始工作。USB 端口完全不起作用。问题在日志中可见 - dmesg 不断（并且永远）显示：
[ 33.293363] usb 3-1: new high-speed USB device number 67 using xhci_hcd
[ 33.761342] usb 3-1: new high-speed USB device number 68 using xhci_hcd
[ 34.229235] usb 3-1: new high-speed USB device number 69 using xhci_hcd
运行至第 127 个设备并再次从 2 开始。
lsusb：
Bus 004 Device 002: ID 174c:3074 ASMedia Technology Inc. ASM1074 SuperSpeed hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0572:1804 Conexant Systems (Rockwell), Inc.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0c45:670c Microdia
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lspci：
00:00.0 Host bridge: Intel Corporation Skylake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Skylake Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015]
02:00.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015]
02:01.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015]
02:02.0 PCI bridge: Intel Corporation DSL6340 Thunderbolt 3 Bridge [Alpine Ridge 2C 2015]
03:00.0 System peripheral: Intel Corporation DSL6340 Thunderbolt 3 NHI [Alpine Ridge 2C 2015]
04:00.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
05:00.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
05:01.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
05:02.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
05:03.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
05:04.0 PCI bridge: Intel Corporation DSL6540 Thunderbolt 3 Bridge [Alpine Ridge 4C 2015]
06:00.0 USB controller: ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller
07:00.0 Ethernet controller: Broadcom Limited NetXtreme BCM57762 Gigabit Ethernet PCIe (rev 01)
3a:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
3c:00.0 Non-Volatile memory controller: Toshiba America Info Systems Device 010f (rev 01)
期待一些解决方法的想法！
谢谢，Bobster
答案1
ArchLinux 有一篇很好的文章戴尔 XPS 13 (9350)。
首先，您的 BIOS 已于 2017-09-28 更新。您需要使用现代 Windows 版本进行启动才能安装它。
Thunderbolt3 Hotplug 支持此端口需要修复一个错误，该错误已在内核版本 4.7 中解决。它还要求使用 CONFIG_PCI_HOTPLUG=y 构建内核。我刚刚检查了 Ubuntu Mainline Kernel 4.14.4，遗憾的是它似乎没有使用此选项进行编译。希望Ubuntu 内核团队很快就会添加此配置选项。
从内核 4.13 开始，戴尔允许通过 Linux 进行 Thunderbolt NVM 更新. 有新应用程序可用于刷新 Thunderbolt 控制器。