gdb/

	* linux-thread-db.c (thread_db_find_new_threads_silently): Do not apply
	nptl <2.7 bug workaround for core files.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index fd6b7e8..4ebefcc 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2012-07-07  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+       * linux-thread-db.c (thread_db_find_new_threads_silently): Do not apply
+       nptl <2.7 bug workaround for core files.
+
 2012-07-06  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
        * linux-nat.c (resume_lwp, linux_nat_resume): Remove LP->SIGINFO

diff --git a/gdb/linux-thread-db.c b/gdb/linux-thread-db.c
index 7f8f83e..bdf14df 100644 (file)
--- a/gdb/linux-thread-db.c
+++ b/gdb/linux-thread-db.c
@@ -700,9 +700,10 @@ thread_db_find_new_threads_silently (ptid_t ptid)
         If the nptl bug is present in the inferior return 0 to silently ignore
         such errors, and let gdb enumerate threads again later.  In such case
         GDB cannot properly display LWPs if the inferior thread list is
-        corrupted.  */
+        corrupted.  For core files it does not apply, no 'later enumeration'
+        is possible.  */
 
-      if (!inferior_has_bug ("nptl_version", 2, 7))
+      if (!target_has_execution || !inferior_has_bug ("nptl_version", 2, 7))
        {
          exception_fprintf (gdb_stderr, except,
                             _("Warning: couldn't activate thread debugging "