Index: gpgme/posix-io.c.new
===================================================================
--- gpgme/posix-io.c.new
+++ gpgme/posix-io.c.new
@@ -98,7 +98,7 @@
     }
   while (nwritten == -1 && errno == EINTR);
   saved_errno = errno;
-  DEBUG2 ("fd %d:          wrote %d bytes\n", fd, (int) nwritten);
+  DEBUG2 ("fd %d:          wrote %d bytes (%d-%s)\n", fd, (int) nwritten, saved_errno, strerror(saved_errno));
   errno = saved_errno;
   return nwritten;
 }