}
 
        if(err == 0) {
-               printk("slirp_close: process %d has not exited\n");
+               printk("slirp_close: process %d has not exited\n", pri->pid);
                return;
        }
 
 
                        int fd)
 {
        struct addr_change change;
-       void *output;
+       char *output;
        int n;
 
        change.what = op;
 
        if (offset) {
                data = (unsigned long *)(mm_idp->stack +
                                         offset - UML_CONFIG_STUB_DATA);
-               printk("do_syscall_stub : ret = %d, offset = %d, "
-                      "data = 0x%x\n", ret, offset, data);
+               printk("do_syscall_stub : ret = %ld, offset = %ld, "
+                      "data = %p\n", ret, offset, data);
                syscall = (unsigned long *)((unsigned long)data + data[0]);
                printk("do_syscall_stub: syscall %ld failed, return value = "
                       "0x%lx, expected return value = 0x%lx\n",
 
                if(err)
                        panic("userspace - could not resume userspace process, "
                              "pid=%d, ptrace operation = %d, errno = %d\n",
-                             op, errno);
+                             pid, op, errno);
 
                CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED));
                if(err < 0)
         */
        wait_stub_done(pid, -1, "copy_context_skas0");
        if (child_data->err != UML_CONFIG_STUB_DATA)
-               panic("copy_context_skas0 - stub-child reports error %d\n",
+               panic("copy_context_skas0 - stub-child reports error %ld\n",
                      child_data->err);
 
        if (ptrace(PTRACE_OLDSETOPTIONS, pid, NULL,
 
                if(ptrace(PTRACE_POKEUSR, pid, &dummy->u_debugreg[i],
                          regs[i]) < 0)
                        printk("write_debugregs - ptrace failed on "
-                              "register %d, value = 0x%x, errno = %d\n", i,
+                              "register %d, value = 0x%lx, errno = %d\n", i,
                               regs[i], errno);
        }
 }