这是输出dmesg
[ 17.064706] usb 2-2: new SuperSpeed USB device number 3 using xhci_hcd
[ 22.496752] usb 2-2: device descriptor read/8, error -110
[ 22.600534] usb 2-2: new SuperSpeed USB device number 3 using xhci_hcd
[ 27.616658] usb 2-2: device descriptor read/8, error -110
[ 27.742801] usb usb2-port2: attempt power cycle
[ 28.163823] usb 2-2: new SuperSpeed USB device number 4 using xhci_hcd
[ 33.248666] usb 2-2: device descriptor read/8, error -110
[ 33.352651] usb 2-2: new SuperSpeed USB device number 4 using xhci_hcd
[ 38.368663] usb 2-2: device descriptor read/8, error -110
[ 38.671823] usb 2-2: new SuperSpeed USB device number 5 using xhci_hcd
[ 44.000689] usb 2-2: unable to get BOS descriptor
[ 49.120774] usb 2-2: unable to read config index 0 descriptor/start: -110
[ 49.121145] usb 2-2: can't read configurations, error -110
[ 49.143813] usb usb2-port2: unable to enumerate USB device
[ 748.588806] [drm:wait_panel_status [i915]] *ERROR* PPS state mismatch
[ 1628.368022] [drm:wait_panel_status [i915]] *ERROR* PPS state mismatch
(deleted repeated error message)
[ 1762.194218] usb 1-2: new high-speed USB device number 4 using xhci_hcd
[ 1762.397556] usb 1-2: New USB device found, idVendor=152d, idProduct=1561
[ 1762.397574] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1762.397646] usb 1-2: Product: ACASIS
[ 1762.397658] usb 1-2: Manufacturer: ACASIS
[ 1762.397668] usb 1-2: SerialNumber: DB9876543213C
[ 1762.409906] scsi host1: uas
[ 1762.411085] scsi 1:0:0:0: Direct-Access ACASIS 0204 PQ: 0 ANSI: 6
[ 1791.096578] usb 1-2: USB disconnect, device number 4
[drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=174191 end=174192) time 297 us, min 763, max 767, scanline start 759, end 773
这是一些错误。
我试着跑fdisk -l&lsblk
未检测到外部硬盘驱动器，但我注意到dmesg可以看到它。如何解决问题？
答案1
使用带有外部电源的电缆
