On Mon, 25 Jun 2007, maximus wrote: > Hi dear usb driver developers! > > First of all let me describe my hardware platform and software. > > I've got hardware platform based on s3c2410 samsung arm cpu, isp1761 philips > usb hi speed chip, au6368 card reader chip. > I use linux kernel 2.6.19 and pehci usb driver ported to this kernel. > > During booting my kernel - during loading pehci.ko driver, sometimes (1 time > of 20) an error appears: > > hub 1-1:1.0: 3 ports detected > usb 1-1.1: new high speed USB device using isp1761 and address 3 > usb 1-1.1: device descriptor read/64, error -71 > usb 1-1.1: device descriptor read/64, error -71 > usb 1-1.1: new high speed USB device using isp1761 and address 4 > usb 1-1.1: device descriptor read/64, error -71 > usb 1-1.1: device descriptor read/64, error -71 > usb 1-1.1: new high speed USB device using isp1761 and address 5 > usb 1-1.1: device not accepting address 5, error -71 > usb 1-1.1: new high speed USB device using isp1761 and address 6 > usb 1-1.1: device not accepting address 6, error -71 > > And after that my card reader doesn't work. > So, my question is, why this error appears and how can i solve it?
The message indicates a low-level communications error. For example, there might be a loose cable connection or a bad impedance somewhere. > Did > anybody test usb driver on philips isp1761? I have no idea. Alan Stern ------------------------------------------------------------------------- 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