diff --git a/glibc-2.2.supp b/glibc-2.2.supp
index 56b62cbd4..9bef52a72 100644
--- a/glibc-2.2.supp
+++ b/glibc-2.2.supp
@@ -550,3 +550,50 @@
    fun:__pthread_initialize_manager
    fun:pthread_create@@GLIBC_2.2.5
 }
+
+## LinuxThreads leaks the stack and TLS data for the manager thread
+{
+   LinuxThreads: leaks stack of manager thread
+   Memcheck:Leak
+   fun:malloc
+   fun:__pthread_initialize_manager
+   fun:pthread_create@@GLIBC_2.1
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:calloc
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:memalign
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
+{
+   LinuxThreads: leaks stack of manager thread
+   Memcheck:Leak
+   fun:malloc
+   fun:__pthread_initialize_manager
+   fun:pthread_create@@GLIBC_2.2.5
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:calloc
+   fun:allocate_dtv
+   fun:_dl_allocate_tls_storage
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:memalign
+   fun:_dl_allocate_tls_storage
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
diff --git a/glibc-2.3.supp b/glibc-2.3.supp
index 389ba1846..cea67318d 100644
--- a/glibc-2.3.supp
+++ b/glibc-2.3.supp
@@ -363,6 +363,29 @@
    fun:pthread_create
 }
 
+## LinuxThreads leaks the stack and TLS data for the manager thread
+{
+   LinuxThreads: leaks stack of manager thread
+   Memcheck:Leak
+   fun:malloc
+   fun:__pthread_initialize_manager
+   fun:pthread_create@@GLIBC_2.1
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:calloc
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
+{
+   LinuxThreads: leaks TLS data for manager thread
+   Memcheck:Leak
+   fun:memalign
+   fun:_dl_allocate_tls
+   fun:__pthread_initialize_minimal
+}
+
 ##----------------------------------------------------------------------##
 ## glibc-2.3.4 on FC3
 ## Assumes that sysctl returns \0-terminated strings in is_smp_system