Hi ! On 2021-05-30 10:29 p.m., Long Wind wrote: > Thank Geoff! with usb3 disk plugged to lenovo running buster > i see msg below, but i'm not sure if usb3 is used > > May 31 10:21:18 debian kernel: [13385.174292] usb 5-6: new high-speed > USB device number 12 using ehci-pci > May 31 10:21:18 debian kernel: [13385.331455] usb 5-6: New USB device > found, idVendor=0781, idProduct=5591, bcdDevice= 1.00 > May 31 10:21:18 debian kernel: [13385.331459] usb 5-6: New USB device > strings: Mfr=1, Product=2, SerialNumber=3 > May 31 10:21:18 debian kernel: [13385.331461] usb 5-6: Product: SanDisk > 3.2Gen1 > May 31 10:21:18 debian kernel: [13385.331463] usb 5-6: Manufacturer: USB > May 31 10:21:18 debian kernel: [13385.331465] usb 5-6: SerialNumber: > 01010726504b6423940942c89716195fcf82e07a8b871127b1e65360cf8bb85335c600000000000000000000e0bd07b9ff893100915581073caae2e3 > May 31 10:21:18 debian kernel: [13385.331885] usb-storage 5-6:1.0: USB > Mass Storage device detected > May 31 10:21:18 debian kernel: [13385.332549] scsi host4: usb-storage > 5-6:1.0 > May 31 10:21:19 debian kernel: [13386.359351] scsi 4:0:0:0: > Direct-Access USB SanDisk 3.2Gen1 1.00 PQ: 0 ANSI: 6 > May 31 10:21:19 debian kernel: [13386.359741] sd 4:0:0:0: Attached scsi > generic sg1 type 0 > May 31 10:21:19 debian kernel: [13386.361717] sd 4:0:0:0: [sdb] 60088320 > 512-byte logical blocks: (30.8 GB/28.7 GiB) > May 31 10:21:19 debian kernel: [13386.364470] sd 4:0:0:0: [sdb] Write > Protect is off > May 31 10:21:19 debian kernel: [13386.364473] sd 4:0:0:0: [sdb] Mode > Sense: 43 00 00 00 > May 31 10:21:19 debian kernel: [13386.365459] sd 4:0:0:0: [sdb] Write > cache: disabled, read cache: enabled, doesn't support DPO or FUA > May 31 10:21:19 debian kernel: [13386.381477] sdb: sdb1 sdb2 > May 31 10:21:19 debian kernel: [13386.385084] sd 4:0:0:0: [sdb] Attached > SCSI removable disk > > > > > > What did the message you got says ? Let me copy here : ==START== You should see something in your logs, this is what I get for a usb 3.1 device: kernel: usb 2-1.2: new SuperSpeed Gen 1 USB device number 5 using xhci_hcd USB 2 is only "high-speed": kernel: usb 1-1.3: new high-speed USB device number 12 using xhci_hcd Regards, Geoff ==STOP== Now look at the 1st line of the logs you copied... You need more help ? Give you a hint : USB 2 is only "high-speed" -- Polyna-Maude R.-Summerside -Be smart, Be wise, Support opensource development
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