diff --git a/tests/attention/test_fmha_v2_prefill.py b/tests/attention/test_fmha_v2_prefill.py
index c31aeb2b94..90d075c649 100644
--- a/tests/attention/test_fmha_v2_prefill.py
+++ b/tests/attention/test_fmha_v2_prefill.py
@@ -3,6 +3,10 @@
 import math
 from typing import Optional, Tuple, Union
 
+pytestmark = pytest.mark.skip(
+    reason="todo(jimmyzho): temporarily skip this test due to hangs"
+)
+
 import flashinfer
 from flashinfer.prefill import fmha_v2_prefill_deepseek
 from tests.utils_fp8 import to_float8
@@ -837,6 +841,10 @@ def test_trtllm_fmha_v2_prefill(
         and mask_mode == "SLIDING_WINDOW"
     ):
         pytest.skip("Skip due to bug in fp8 sliding window")
+    if mask_mode == "SLIDING_WINDOW":
+        pytest.skip("todo(jimmyzho): temporarily skip sliding window test due to hang")
+    if dtype == torch.float8_e4m3fn and o_dtype == torch.float8_e4m3fn:
+        pytest.skip("todo(jimmyzho): temporarily skip fp8 tests due to hang")
     run_trtllm_fmha_v2_prefill_case(
         input_layout=input_layout,
         batch_size=batch_size,
@@ -955,7 +963,8 @@ def test_trtllm_fmha_v2_prefill_attention_sinks(
 
     if not is_sm90a_supported(torch.device("cuda")):
         pytest.skip("FMHA v2 requires SM90+ (Hopper) GPUs.")
-
+    if mask_mode == "SLIDING_WINDOW":
+        pytest.skip("todo(jimmyzho): temporarily skip sliding window test due to hang")
     torch.manual_seed(42)
     device = torch.device("cuda")