On Sat, 3 Dec 2005, Travis H. wrote: > Hi, I'm going to lump a bunch of things into one email to save your patience. > > kernel: 2.6.13 SMP > > First, my PCI card probes as ehci but doesn't really seem to work very well: > > $ cat /proc/bus/usb/devices ... > # cat /proc/interrupts | grep -i usb; sleep 10; cat /proc/interrupts > | grep -i usb > 16: 6 29 IO-APIC-level ehci_hcd:usb4 > 18: 3200127 3561228 IO-APIC-level uhci_hcd:usb2 > 19: 7971448 13299277 IO-APIC-level libata, uhci_hcd:usb1, > uhci_hcd:usb3 > 16: 6 29 IO-APIC-level ehci_hcd:usb4 > 18: 3200127 3561228 IO-APIC-level uhci_hcd:usb2 > 19: 7971448 13301709 IO-APIC-level libata, uhci_hcd:usb1, > uhci_hcd:usb3 ... > However, if I "rmmod ehci-hcd" and then "modprobe ohci-hcd", nothing happens > > Then, if I remove and re-insert the device, it sees it:
There's not much point in loading ohci-hcd, since you don't have any OHCI controllers. > What's the deal? Anyone got any tips? > > I can work-around by uncommenting this: > > # tail -n 1 /etc/modprobe.conf > #alias ehci-hcd ohci-hcd > > However, that's pretty ugly. It's also pretty strange. If you want to disable loading ehci-hcd, put this in modprobe.conf instead: install ehci-hcd /bin/true > Also, sometimes I get these: > > Nov 17 04:43:12 hostname kernel: drivers/usb/input/hid-core.c: control > queue full > > Do I care? Probably not. These VIA USB cards seem to have some strange problems. You can try posting your message on linux-usb-devel, where it may attract the attention of more USB developers. Alan Stern ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ Linux-usb-users@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users