Index: test/tools/lldb-mi/TestMiInterpreterExec.py
===================================================================
--- test/tools/lldb-mi/TestMiInterpreterExec.py
+++ test/tools/lldb-mi/TestMiInterpreterExec.py
@@ -31,6 +31,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_breakpoint_set(self):
         """Test that 'lldb-mi --interpreter' can set breakpoint by 'breakpoint set' command."""
 
@@ -52,6 +53,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_settings_set_target_run_args_before(self):
         """Test that 'lldb-mi --interpreter' can set target arguments by 'setting set target.run-args' command before than target was created."""
 
@@ -76,6 +78,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_settings_set_target_run_args_after(self):
         """Test that 'lldb-mi --interpreter' can set target arguments by 'setting set target.run-args' command after than target was created."""
 
@@ -100,6 +103,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_process_launch(self):
         """Test that 'lldb-mi --interpreter' can launch process by "process launch" command."""
 
@@ -123,6 +127,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_thread_step_in(self):
         """Test that 'lldb-mi --interpreter' can step in by "thread step-in" command."""
 
@@ -153,6 +158,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_thread_step_over(self):
         """Test that 'lldb-mi --interpreter' can step over by "thread step-over" command."""
 
@@ -178,6 +184,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_thread_continue(self):
         """Test that 'lldb-mi --interpreter' can continue execution by "thread continue" command."""
 
Index: test/tools/lldb-mi/control/TestMiExec.py
===================================================================
--- test/tools/lldb-mi/control/TestMiExec.py
+++ test/tools/lldb-mi/control/TestMiExec.py
@@ -17,6 +17,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_abort(self):
         """Test that 'lldb-mi --interpreter' works for -exec-abort."""
 
@@ -67,6 +68,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_arguments_set(self):
         """Test that 'lldb-mi --interpreter' can pass args using -exec-arguments."""
 
@@ -110,6 +112,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_arguments_reset(self):
         """Test that 'lldb-mi --interpreter' can reset previously set args using -exec-arguments."""
 
@@ -139,6 +142,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_next(self):
         """Test that 'lldb-mi --interpreter' works for stepping."""
 
@@ -191,6 +195,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_next_instruction(self):
         """Test that 'lldb-mi --interpreter' works for instruction stepping."""
 
@@ -245,6 +250,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_step(self):
         """Test that 'lldb-mi --interpreter' works for stepping into."""
 
@@ -314,6 +320,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_step_instruction(self):
         """Test that 'lldb-mi --interpreter' works for instruction stepping into."""
 
@@ -376,6 +383,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_exec_finish(self):
         """Test that 'lldb-mi --interpreter' works for -exec-finish."""
 
Index: test/tools/lldb-mi/signal/TestMiSignal.py
===================================================================
--- test/tools/lldb-mi/signal/TestMiSignal.py
+++ test/tools/lldb-mi/signal/TestMiSignal.py
@@ -17,6 +17,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Fails on FreeBSD apparently due to thread race conditions
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_stopped_when_interrupt(self):
         """Test that 'lldb-mi --interpreter' interrupt and resume a looping app."""
 
@@ -54,6 +55,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Fails on FreeBSD apparently due to thread race conditions
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_stopped_when_stopatentry_local(self):
         """Test that 'lldb-mi --interpreter' notifies after it was stopped on entry (local)."""
 
@@ -128,6 +130,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_stopped_when_segfault_local(self):
         """Test that 'lldb-mi --interpreter' notifies after it was stopped when segfault occurred (local)."""
 
Index: test/tools/lldb-mi/variable/TestMiVar.py
===================================================================
--- test/tools/lldb-mi/variable/TestMiVar.py
+++ test/tools/lldb-mi/variable/TestMiVar.py
@@ -17,6 +17,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_eval(self):
         """Test that 'lldb-mi --interpreter' works for evaluating."""
 
@@ -127,6 +128,7 @@
     @lldbmi_test
     @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows")
     @skipIfFreeBSD # llvm.org/pr22411: Failure presumably due to known thread races
+    @skipIfLinux # llvm.org/pr22841: lldb-mi tests fail on all Linux buildbots
     def test_lldbmi_var_update(self):
         """Test that 'lldb-mi --interpreter' works for -var-update."""