Messages in this thread | | | Date | Tue, 19 Jul 2005 15:29:18 -0400 | From | Greg KH <> | Subject | Re: Weird USB errors on HD |
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On Tue, Jul 19, 2005 at 12:47:32PM -0400, Karim Yaghmour wrote: > > I have a usb-attached HD that I use from time to time. When it's connected > to my desktop through a hub it works flawlessly. When connected to my Dell > D600 Laptop, however, it sometimes randomly exhibits a loud click (as if the > heads went berzerk) and the device goes unrecognized (i.e. the USB layer drops > the device and then redetects it again; meanwhile there is FS corruption.) > > The same behavior happens with 2.4.x and 2.6.x > > In /var/log/messages I see something like: > hub 3-0:1.0: over-current change on port 1 > hub 1-0:1.0: over-current change on port 3 > ... > usb 1-3: USB disconnect, address 2 > usb 1-3: new high speed USB device using ehci_hcd and address 3
Ugh, you have a bad device or power supply, or aren't giving it enough power to drive the thing. Nothing we can do in Linux for that, sorry. Buy a wall-powered usb hub, that usually helps.
Good luck,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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