On Mon, Apr 08, 2002, Morgan Collins <[EMAIL PROTECTED]> wrote: > I am having a problem with USB on my laptop, it has a PIIX4 controller > and I have usbcore, uhci, etc modules compiled and loaded, however > whenever I plug in an USB device, it says device wont take the address, > reports a timeout and every so often spits out host system error, PCI > problem?. Just for kicks I put Win2k on it to see if it was a bad > controller, but all worked well in 2k. > > This is kernel 2.4.18, I have a system right beside is that has a PIIX4 > 82371AB USB controller as well, and all the devices I am plugging in to > the laptop work in this other computer. > > lspci -v says this about the controller: > 00:01.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01) > (prog-if 00 [UHCI]) > Flags: bus master, medium devsel, latency 64, IRQ 10 > I/O ports at fce0 [size=32] > > I have read through the FAQs and see that other people have had problems > with this when PNPOS is enabled, I have tried the PNPOS setting in both > states and it doesn't seam to help. Also, it mentions something about > PCI controller miscommunication with the USB controller, but doesn't say > much about how to fix it. I tried changing PCI access method from Any to > Direct, to no avail. > > I have not tested 2.2.x because I have reiser filesystem, but I will > toss 2.5.x on it something this week and see if it helps.
That won't be necessary. The uhci driver doesn't differ much between 2.4 and 2.5. Can you give me the output from /proc/interrupts after you load the uhci module and try plugging in a device? It shounds like you may have an interrupt routing problem. Also, what motherboard is this? JE _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users Sponsored by http://www.ThinkGeek.com/
