Am Montag, 3. Februar 2020, 17:12:17 CET schrieben Sie: > > Yeah, I found out some errors in dmesg suggesting this: > > [ 370.569700] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 428.820969] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 473.621875] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 618.254211] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 664.334958] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > I get these with a very common USB-SATA enclosure bridge chipset, > plugged directly into an Intel NUC. I also sometimes see dropped > writes. When I use a Dyconn USB hub (externally powered) it never > happens. I'm not a USB expert, but my understanding is a hub isn't a > simple thing, it's reading and rewriting the whole stream to and from > host and device. So any peculiarities between them tend to get cleaned > up. FWIW, I used to see errors like this with my external HDD (3TB Toshiba), but not anymore after I increased its device timeout, i.e., its SCSI command timeout, to 3 minutes (following a recommendation on the Debian wiki). -- Marc Joliet -- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup
Attachment:
signature.asc
Description: This is a digitally signed message part.
