Index: /trunk/pdns/pdns/mtasker.cc
===================================================================
--- /trunk/pdns/pdns/mtasker.cc	(revision 465)
+++ /trunk/pdns/pdns/mtasker.cc	(revision 471)
@@ -238,5 +238,6 @@
   uc->uc_stack.ss_size = d_stacksize;
 #ifdef SOLARIS
-  makecontext (uc, (void (*)(...))threadWrapper, 4, this, start, d_maxtid, val);
+  uc->uc_stack.ss_sp = (void*)(((char*)uc->uc_stack.ss_sp)+d_stacksize);
+  makecontext (uc,(void (*)(...))threadWrapper, 5, this, start, d_maxtid, val);
 #else
   makecontext (uc, (void (*)(void))threadWrapper, 4, this, start, d_maxtid, val);