Messages in this thread | | | Date | Wed, 01 Jun 2005 20:30:23 +0200 | From | Rene Herman <> | Subject | Re: External USB2 HDD affects speed hda |
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Mark Lord wrote:
> Look at "cat /proc/interrupts" and see if the USB is sharing > an IRQ line with ide0. If so, then the best explanation I can > see is that the USB driver must have a *really slow* interrupt > handler up to the point where it determines that the interrupt > is not for it.
No, that's not it. Both ide0 (14) and EHCI (3) are on private, unshared IRQs. rmmodding ehci_hcd as per Pavel's sugestion gets me back my speed. Exactly _why_ I've no idea though. I've just added you to the CC on that reply...
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