Subject: Re: USB on HiNote VP710 Laptop: "can't map i/o space"
To: Duncan McEwan <duncan@MCS.VUW.AC.NZ>
From: Nathan J. Williams <nathanw@MIT.EDU>
Date: 08/11/2000 00:48:28
<duncan@MCS.VUW.AC.NZ> (Duncan McEwan) writes:
> Then I tried it on my HiNote laptop and couldn't get it to work, I think
> because the USB bus is not detected/configured properly. The dmesg output
> from a boot of the laptop says
> uhci0 at pci0 dev 1 function 2: Intel 82371AB USB Host Controller (PIIX4)
> (rev. 0x01)
> uhci0: can't map i/o space
That's definitely a problem.
What's the kernel configuration of the machine?
Can you build and boot a kernel with PCI_CONFIG_DUMP and
MSGBUFSIZE=131072? I'm curious where the uhci's i/o registers are ending up.
> The kernel configuration is identical in this area for both machines, and
> just says
> uhci* at pci? dev ? function ? # Universal Host Controller (Intel)
> usb* at uhci?
> umass* at uhub? port ? configuration ? interface ?
> scsibus* at umass? channel ?
This looks fine...
Do you have any of the PCIBIOS options enabled in the kernel