どこを探しても解決策が見つかりませんでした。
私は Ubuntu 22.04 を搭載した Lenovo Thinkpad を使用しています。hwe カーネル (6.2.0) を使用していましたが、Toshiba USB 外付けディスクは問題なく認識され、マウントされました。
VirtualBox を動作させるために 5.15 汎用カーネルに戻す必要がありましたが、USB HDD が認識されなくなりました。接続すると、syslog に次のように表示されます。
Nov 6 09:16:21 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42028.932552] usb 4-2: new SuperSpeed USB device number 29 using xhci_hcd
Nov 6 09:16:21 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42028.952945] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.060321] usb 4-2: new SuperSpeed USB device number 29 using xhci_hcd
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.081418] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.392409] usb 4-2: new SuperSpeed USB device number 30 using xhci_hcd
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.413411] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.520336] usb 4-2: new SuperSpeed USB device number 30 using xhci_hcd
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.540993] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:22 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42029.656532] usb usb4-port2: attempt power cycle
Nov 6 09:16:23 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42030.584460] usb 4-2: new SuperSpeed USB device number 31 using xhci_hcd
Nov 6 09:16:23 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42030.604984] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:23 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42030.712289] usb 4-2: new SuperSpeed USB device number 31 using xhci_hcd
Nov 6 09:16:23 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42030.733207] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:24 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42031.044694] usb 4-2: new SuperSpeed USB device number 32 using xhci_hcd
Nov 6 09:16:24 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42031.064972] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:24 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42031.172750] usb 4-2: new SuperSpeed USB device number 32 using xhci_hcd
Nov 6 09:16:24 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42031.193395] usb 4-2: device descriptor read/8, error -71
Nov 6 09:16:24 paolo-Lenovo-ThinkBook-16p-Gen-2 kernel: [42031.308675] usb usb4-port2: unable to enumerate USB device
$ cat /proc/version
Linux version 5.15.0-90-generic (buildd@lcy02-amd64-069) (gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #100-Ubuntu SMP Mon Oct 30 14:09:25 UTC 2023
カーネルのバグでしょうか?
何かヒントはありますか?