On Thu, 6 May 2004 [EMAIL PROTECTED] wrote: > >> But... > >> I put in a printk() at the start of the interrupt handler: uhci_irq() > >> and it _never_ gets called!... ever! > > > >Well, that's bad. Didn't you say before that when the device was > >coldplugged it would work okay? If there were no interrupts the device > >couldn't have been working. > > > Unfortunately... > Yes, the device _does_ work when cold plugged, even though it _never_ > got to the uhci_irq() printk statement! > Thats why I emphasized the fact.
Then you must have done something wrong. Without interrupts the UHCI driver can't possibly work. > >> For what its worth: > >> Looking at /proc/interrupts on 2.6.6 (transcribed and edited): > >> > >> 10: uhci_hcd, [EMAIL PROTECTED]:1:0:0 > >> 11: uhci_hcd, uhci_hcd, eth0, yenta, Intel 82801DB-ICH4 > >> > >> Whereas on RH9 it says: > >> > >> 10: usb_uhci, [EMAIL PROTECTED]:1:0:0 > >> 11: ehci_hcd, usb_uhci, usb_uhci, ohci1394, eth0, > >> PCI device 1524:1410 (Ene Technology Inc) > > > >I don't know much about this, but there are kernel boot options for ACPI > >that will control interrupt allocation. > > > >Also, you could simply try removing the drivers for all the devices that > >share an interrupt with UHCI. Not that I think it would make any > >difference, but you never know... > > I'm not too sure how to do that for the video card and the ICH4 > ie. what to specify on "modprobe -r". > > And what about the fact that the uhci _is in_ the ICH4? I don't see that as a problem. One of the UHCI controllers already uses a different IRQ, so there shouldn't be any reason they can't all use different IRQs. For more information about how to set interrupt assignments, read some of the commentary in this bug report: http://bugme.osdl.org/show_bug.cgi?id=2032 Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by Sleepycat Software Learn developer strategies Cisco, Motorola, Ericsson & Lucent use to deliver higher performing products faster, at low TCO. http://www.sleepycat.com/telcomwpreg.php?From=osdnemail3 _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
