diff --git a/cime_config/testdefs/ExpectedTestFails.xml b/cime_config/testdefs/ExpectedTestFails.xml
index 36245661c0..8acaf71eab 100644
--- a/cime_config/testdefs/ExpectedTestFails.xml
+++ b/cime_config/testdefs/ExpectedTestFails.xml
@@ -37,6 +37,50 @@
   </test>
 
   <!-- aux_clm test suite failures -->
+  <test name="SMS_Ld2_D_PS.f09_g17.I1850Clm50BgcCropCmip6.derecho_intel.clm-basic_interp">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2787</issue>
+      <comment>The issue shows how to fix it.</comment>
+    </phase>
+  </test>
+  <test name="ERS_Ly3.f10_f10_mg37.I1850Clm50BgcCropCmip6.derecho_intel.clm-basic">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2787</issue>
+      <comment>The issue shows how to fix it.</comment>
+    </phase>
+  </test>
+  <test name="SMS_Lm1.f10_f10_mg37.I1850Clm50BgcCropCmip6waccm.derecho_gnu.clm-basic">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2787</issue>
+      <comment>The issue shows how to fix it.</comment>
+    </phase>
+  </test>
+
+  <test name="SMS_Ld10_D_Mmpi-serial.CLM_USRDAT.I1PtClm60Bgc.izumi_nag.clm-default--clm-NEON-HARV--clm-matrixcnOn">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2780</issue>
+      <comment>Crashes in the matrix solver.</comment>
+    </phase>
+  </test>
+  <test name="SMS_Ld10_D_Mmpi-serial.CLM_USRDAT.I1PtClm60Bgc.derecho_gnu.clm-default--clm-NEON-HARV--clm-matrixcnOn">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2780</issue>
+      <comment>Crashes in the matrix solver.</comment>
+    </phase>
+  </test>
+  <test name="SMS_D.1x1_brazil.I1850Clm60BgcCrop.derecho_gnu.clm-mimics_matrixcn">
+    <phase name="RUN">
+      <status>FAIL</status>
+      <issue>#2780</issue>
+      <comment>Crashes in the matrix solver.</comment>
+    </phase>
+  </test>
+
   <test name="ERP_P64x2_Lm13.f10_f10_mg37.IHistClm60Bgc.derecho_intel.clm-monthly--clm-matrixcnOn_ignore_warnings">
     <phase name="BASELINE">
       <status>FAIL</status>