Will do. On Wed, 10 Jul 2002, Brad Hards wrote:
> On Wed, 10 Jul 2002 07:27, Graham TerMarsch wrote: > > Short version of the problem is the "classic" bulk transfer timeout problem > > or problems with the devices not accepting their USB ID numbers when given > > one from usb-uhci. Our machine that experienced the problems here was an > > Athlon 1GHz running on an AOpen AK73Pro motherboard, which uses the > > VIA-686A chipset, all running RH-7.3. FYI, we also had the same problems > > on this machine with RH7.1, RH7.2, MDK8.0, and MDK8.1 (SuSE-7.1 worked, > > but was more than a bit out of date for some of the other things we > > wanted). > > > > After much fighting, pulling of hair, and many long hours spent going > > through testing out various debug builds, kernel revisions, etc., I > > finally found a single item that made a total world of difference..... > > > > In the BIOS, take the "Assign IRQ for USB" option and turn it off. > > We have almost this issue in the FAQ. > > <quote> > Q: Why doesn't USB work at all? I get "device not accepting address". > > A: You may have some problem with your PCI setup that's preventing your USB > host controller from getting hardware interrupts. When Linux submits a > request, but never hears back from the controller, this is the diagnostic > you'll see. To see if this is the problem, look at /proc/interrupts to see if > the interrupt count for your host controller driver ever goes up. If it > doesn't, this is the problem: either your BIOS isn't telling the truth to > Linux (ACPI sometimes confuses these things, or setting the expected OS to > windows in your BIOS), or Linux doesn't understand what it's saying. > > Sometimes a BIOS fix will be available for your motherboard, and in other > cases a more recent kernel will have a Linux fix. You may be able to work > around this by passing the noapic boot option to your kernel, or (when you're > using an add-in PCI card) moving the USB adapter to some other PCI slot. If > you're using a current kernel and BIOS, report this problem to the > Linux-kernel mailing list, with details about your motherboard and BIOS. > </quote> > > Stephen - can we add something like this BIOS setting issue to the second > para? Just to make it a bit more explicit. > > -- /------------------------------------+-------------------------\ |Stephen J. Gowdy | SLAC, MailStop 34, | |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | |http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | |EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | \------------------------------------+-------------------------/ ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Stuff, things, and much much more. http://thinkgeek.com/sf _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
