# Signals aren't being properly notified to ptrace on x86_64.

Index: linux-2.6.17/arch/um/sys-x86_64/signal.c
===================================================================
--- linux-2.6.17.orig/arch/um/sys-x86_64/signal.c	2007-10-24 10:04:50.000000000 -0400
+++ linux-2.6.17/arch/um/sys-x86_64/signal.c	2007-11-19 10:41:59.000000000 -0500
@@ -252,6 +252,9 @@ int setup_signal_stack_si(unsigned long 
 	PT_REGS_RDX(regs) = (unsigned long) &frame->uc;
 	PT_REGS_RIP(regs) = (unsigned long) ka->sa.sa_handler;
  out:
+	if ((current->ptrace & PT_DTRACE) && (current->ptrace & PT_PTRACED))
+		ptrace_notify(SIGTRAP);
+
 	return err;
 
 restore_sp: