hi pete, On 7/4/07, Pete Zaitcev <[EMAIL PROTECTED]> wrote: > On Wed, 4 Jul 2007 15:54:22 -0400, "Jon Smirl" <[EMAIL PROTECTED]> wrote: > > > I'm working on the Ralink rt2x00usb driver. It is getting stuck in a > > state where the receive urb is returning -75, EOVERFLOW. It promptly > > ignores the error and resubmits the urb. Which comes back again with > > EOVERFLOW. What does this error mean and how should it be handled? > > A babble happens when a device tries to send more than the host has > allocated to the transfer. If the device insists on sending full > packets, reissuing the same transfer causes a persistent babble. > > The way to clear it depends on the cause of the babble. > > If your driver issues erroneously short request, fix your driver > (check with usbmon, it shows the submission size). > > If the device firmware has gone crazy, reset the device, then port. > This is what HID does, for example, because in it's illegal for > HID devices to bunch reports together.
and what about ending the session and starting all over again??? seems to me that we don't know what's causing the babble in some cases... so the only way out is ending the session in the usb host controller itself. > > -- Pete > > ------------------------------------------------------------------------- > 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 > -- Best Regards, Felipe Balbi [EMAIL PROTECTED] ------------------------------------------------------------------------- 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
