On Sat, 1 Jan 2005, Paul Ionescu wrote: > Hi Alan, > > My UHCI is sharing interrupt 9 with acpi. > IRQ 9 usage does increment after the resume. > And also, even after the resume, when the USB is not > seeing any device plugged in, if I unload and reload > the uhci-hcd, then it works. > Maybe, when I reload uhci-hcd, it does some > reinitialization of the usb controller.
Yes, but it also does reinitialization during resume. What does the debugging file show? Alan Stern > --- Alan Stern <[EMAIL PROTECTED]> wrote: > > On Wed, 29 Dec 2004, Paul Ionescu wrote: > > > > > Hello Alan, > > > > > > If I boot with "acpi=off" then I cannot use ACPI > > S3 to > > > suspend and resume, and my problem appears after > > an > > > ACPI S3 suspend/resume cycle. > > > > This just occurred to me: After a suspend/resume, > > when the uhci_hcd driver > > doesn't recognize new devices being plugged in, can > > you tell if the > > interrupt count for the driver is changing? If the > > host controller > > doesn't share an IRQ, the numbers in > > /proc/interrupts will tell the story. > > > > As another test, what shows up in the debugging file > > for the controller? > > Under 2.6.9 that file would be in the > > /proc/driver/uhci/ directory, but it > > was recently moved to the debugfs filesystem, and > > I'm not sure whether > > that move was done before or after 2.6.10 was > > released. ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
