diff -up kdebase-workspace-4.4.92/kdm/backend/client.c.xsession_errors_O_APPEND kdebase-workspace-4.4.92/kdm/backend/client.c
--- kdebase-workspace-4.4.92/kdm/backend/client.c.xsession_errors_O_APPEND 2010-07-06 01:54:30.000000000 -0500
+++ kdebase-workspace-4.4.92/kdm/backend/client.c 2010-07-07 12:27:24.901922619 -0500
@@ -1223,7 +1223,7 @@ createClientLog(const char *log)
if (!(lname = expandMacros(log, macros)))
exit(1);
unlink(lname);
- if ((lfd = open(lname, O_WRONLY|O_CREAT|O_EXCL, 0600)) >= 0) {
+ if ((lfd = open(lname, O_WRONLY|O_CREAT|O_EXCL|O_APPEND, 0600)) >= 0) {
dup2(lfd, 1);
dup2(lfd, 2);
close(lfd);