*** backend/usb-unix.c.orig	Tue Nov 25 12:32:12 2008
--- backend/usb-unix.c	Wed Nov 26 00:19:33 2008
***************
*** 173,179 ****
--- 173,188 ----
        lseek(print_fd, 0, SEEK_SET);
      }
  
+ #ifdef __sun
+    /*
+     * *Solaris's usbrn driver doesn't currently support the poll() interface
+     * which causes select() to always fail with errno set to ENXIO, so
+     * we don't want back channel or side channel support.
+     */
+     tbytes = backendRunLoop(print_fd, device_fd, 0, NULL);
+ #else
      tbytes = backendRunLoop(print_fd, device_fd, use_bc, side_cb);
+ #endif
  
      if (print_fd != 0 && tbytes >= 0)
        _cupsLangPrintf(stderr,