On Fri, 25 May 2007, Jiri Kosina wrote: > This is now handled in bugzilla [1]. Zan Lynx also reported this problem, > and from the HID_DEBUG output he provided is evident that it is caused by > HID layer receiving a report of size 4294967284 (which corresponds to > urb->actual_length of the URB received from USB core).
For completness, this is a snippet of HID_DEBUG output that Zan sent me in a private mail, which demonstrates the urb->actual_length badness: ... drivers/hid/hid-core.c: report (size 3) (unnumbered) drivers/hid/hid-core.c: report 0 (size 3) = 00 00 00 hid-debug: input Keyboard.00e0 = 0 hid-debug: input Keyboard.00e1 = 0 hid-debug: input Keyboard.00e2 = 0 hid-debug: input Keyboard.00e3 = 0 hid-debug: input Keyboard.00e4 = 0 hid-debug: input Keyboard.00e5 = 0 hid-debug: input Keyboard.00e6 = 0 hid-debug: input Keyboard.00e7 = 0 drivers/hid/hid-core.c: report (size 4294967284) (unnumbered) drivers/hid/hid-core.c: report 0 (size 4294967284) = hid-debug: input Keyboard.00e0 = 0 hid-debug: input Keyboard.00e1 = 0 hid-debug: input Keyboard.00e2 = 0 hid-debug: input Keyboard.00e3 = 0 hid-debug: input Keyboard.00e4 = 0 hid-debug: input Keyboard.00e5 = 0 hid-debug: input Keyboard.00e6 = 0 hid-debug: input Keyboard.00e7 = 0 drivers/hid/hid-core.c: report (size 6) (numbered) drivers/hid/hid-core.c: report 2 (size 5) = 00 00 00 00 00 hid-debug: input Button.0001 = 0 hid-debug: input Button.0002 = 0 hid-debug: input Button.0003 = 0 hid-debug: input Button.0004 = 0 hid-debug: input Button.0005 = 0 hid-debug: input Button.0006 = 0 hid-debug: input Button.0007 = 0 hid-debug: input Button.0008 = 0 hid-debug: input GenericDesktop.X = 0 hid-debug: input GenericDesktop.Y = 0 hid-debug: input GenericDesktop.Wheel = 0 Hangcheck: hangcheck value past margin! drivers/hid/usbhid/hid-core.c: input irq status -75 received ... -- Jiri Kosina ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel