On Tue, Jan 22, 2002 at 12:40:23PM -0500, David Johnson wrote: > Hi, > > I am developing a device driver for a USB network adapter and am seeing > occasional data corruption when sending data to or recieving data from the > device. In particular this occurs under heavy traffic. > > Under Redhat 7.1 I occasionally lose the first 16 bytes of a packet of data > that I send to the device. This appears to be fixed somewhere between Redhat > 7.1 and kernel 2.4.17. Is/was this a known issue and does anyone know when > this was fixed?
Red Hat 7.1 shipped with 2.4.2 I think. That was almost a year ago, so yes, lots of things have been fixed since then :) > Under Redhat 7.1 and with the 2.4.17 kernel I occasionally see corrupted data > being received from the device. The nature of the corruption is not > consistent. Sometimes extra bytes are appended to the beginning of a packet, > sometimes I get a packet with a few bytes that don't seem to come from > anywhere in particular. Does anyone have any ideas what might cause this > problem? Do you have any specifics? Can you compare the data received in your urb with the data that went across the wire? > I am using the usb-uhci driver. Any ideas? Does the same problem happen with the uhci or usb-ohci drivers? Does it happen with other host controller chips? thanks, greg k-h _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
