Re: OHCI hangs after failing to free resources
"Mike Nuss" <[email protected]>
| Newsgroups | gmane.linux.usb.devel |
|---|---|
| Message-ID | <[email protected]> |
> Anyways, I realized that our disconnect() method was never getting called > in these cases, and it's because there is a lockup in > usb_hcd_endpoint_disable. Our device has two endpoints (plus control) - > one for reads, and one for writes. When we hit this condition, it always > hangs while disabling the read endpoint. I added a few lines of debug code > to ohci-hcd.c and hcd.c to try to figure out what's going on, and traced > it to the usb_kill_urb on line 1386 of hcd.c. I forgot to mention that this is on the 2.6.20.6 kernel from kernel.org. Thanks, Mike ------------------------------------------------------------------------- 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/ _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel