On Fri, Jun 25, 2004 at 11:02:35PM +0200, Miklos Szeredi wrote: > Here's a strage story of a laptop and a USB mouse: the hand moves the > mouse left and right, but on the screen the mouse moves up and down. > The hand clicks on one of the buttons, but the mouse on the screen > moves right. > > The mouse works perfectly under windows on this laptop, and even under > linux on different machines. But on this machine each and every > kernel I tried (2.4 and 2.6) behaved this way. > > After digging around in the usbmouse driver I noticed that the cause > of the problem might be that the data received in the interrupt > handler is off by one byte. After hacking usb_mouse_irq() like this > > - signed char *data = mouse->data; > + signed char *data = mouse->data + 1; > > the mouse worked perfectly. Obviously this is not a proper fix, and > I'm hoping somebody more qualified in the USB internals can point out > the root cause. Maybe it's something to do with the host controller? > (It's OHCI on the laptop, and UHCI on the other machine I tried) But > other USB devices seem to work OK. > > Any ideas?
Don't use usbmouse.o, use hid.o. > Thanks, > Miklos > > Mouse: Genius PowerScroll USB > Laptop: HP nc4000 > Kernel version: 2.6.7 > > lsusb: > Bus 003 Device 001: ID 0000:0000 > Bus 002 Device 002: ID 0458:0018 KYE Systems Corp. (Mouse Systems) > Bus 002 Device 001: ID 0000:0000 > Bus 001 Device 001: ID 0000:0000 > > lspci: > 00:12.0 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI]) > Subsystem: Compaq Computer Corporation: Unknown device 005a > Flags: bus master, medium devsel, latency 64, IRQ 10 > Memory at 98380000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > > 00:12.1 USB Controller: NEC Corporation USB (rev 43) (prog-if 10 [OHCI]) > Subsystem: Compaq Computer Corporation: Unknown device 005a > Flags: bus master, medium devsel, latency 64, IRQ 10 > Memory at 98400000 (32-bit, non-prefetchable) [size=4K] > Capabilities: [40] Power Management version 2 > > 00:12.2 USB Controller: NEC Corporation USB 2.0 (rev 04) (prog-if 20 [EHCI]) > Subsystem: Compaq Computer Corporation: Unknown device 005a > Flags: bus master, medium devsel, latency 64, IRQ 10 > Memory at 98480000 (32-bit, non-prefetchable) [size=256] > Capabilities: [40] Power Management version 2 > > -- Vojtech Pavlik SuSE Labs, SuSE CR ------------------------------------------------------- This SF.Net email sponsored by Black Hat Briefings & Training. Attend Black Hat Briefings & Training, Las Vegas July 24-29 - digital self defense, top technical experts, no vendor pitches, unmatched networking opportunities. Visit www.blackhat.com _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
