On Tue, 20 Jan 2004 22:01:44 +0100 Mark Draheim <[EMAIL PROTECTED]> wrote:

| On Tue, 20 Jan 2004 11:01:32 -0800
| "Randy.Dunlap" <[EMAIL PROTECTED]> wrote:
| 
| > The USB host controller requires an interrupt, but USB devices
| > don't require their own interrupts.
| 
| thanks for the info
| 
| How do I get at the problem? I mean, what should I debug? The culprit
| seems to be usb-uhci and/or the VIA chips. But I've been using Linux
| long enough to know that this might be a completely false assumption.
| 
| Anyway, to restate the problem: two different wireless usb mice work on
| SiS ohci, none of them works on two different VIA uhci computers.

I dunno.
Some early VIA chipsets had a few problems.

Does any USB device work on the VIA uhci controller?
I.e., is it a USB host controller problem?  Does the uhci
controller see interrupts at all?
It could be a USB interrupt routing problem instead...

| I asked in alt.os.linux.mandrake whether anybody actually has a wireless
| usb mouse running on uhci but so far got no response. That doesn't prove
| anything since aolm is basically a newbie group.


--
~Randy
kernel-janitors project:  http://janitor.kernelnewbies.org/


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