Re: Problems with USB from late 2.3.x kernels and BP6 in MPS 1.4 mode

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Feb 12 2000 - 03:46:01 EST

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> The linux-usb project has had 2-3 reports of USB
> not working on SMP systems if they are in MPS 1.4
> mode (BIOS SETUP option). The latest report was
> 2000-Feb-4.
>
> After being changed to MPS 1.1 mode, USB works as expected.
>
> Does anyone here have any ideas about why this is
> happening and what we can do about it?

Dump the interrupt data and check if they are all using the same BIOS. It
is probably broken BIOS tables as usual

Alan

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