diff --git a/.github/workflows/ax7203-corona-decode.yml b/.github/workflows/ax7203-corona-decode.yml
index 5c4e97de1..94810fb72 100644
--- a/.github/workflows/ax7203-corona-decode.yml
+++ b/.github/workflows/ax7203-corona-decode.yml
@@ -90,7 +90,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/corona_decode/corona_decode_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf10-add.yml b/.github/workflows/ax7203-gf10-add.yml
index b4d239c53..524a818b6 100644
--- a/.github/workflows/ax7203-gf10-add.yml
+++ b/.github/workflows/ax7203-gf10-add.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf10_add/gf10_add_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf10-mul.yml b/.github/workflows/ax7203-gf10-mul.yml
index fa0b8e75d..0179caa2e 100644
--- a/.github/workflows/ax7203-gf10-mul.yml
+++ b/.github/workflows/ax7203-gf10-mul.yml
@@ -50,7 +50,7 @@ jobs:
               --seed $s --placer $PLACER --router router1 --timing-allow-fail > /tmp/np_$trial.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$trial.log || [ ! -f build/gf10_mul/gf10_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$trial.log /tmp/np.log; CLEAN="$trial($PLACER,s$s)"; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 heap+sa)"; exit 1; }; echo "clean=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 heap+sa)"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "clean=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf10-sub.yml b/.github/workflows/ax7203-gf10-sub.yml
index 8cb8dfd2f..a90fe7ab7 100644
--- a/.github/workflows/ax7203-gf10-sub.yml
+++ b/.github/workflows/ax7203-gf10-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf10_sub/gf10_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf12-clean.yml b/.github/workflows/ax7203-gf12-clean.yml
index 96791df5e..44e4d1ae8 100644
--- a/.github/workflows/ax7203-gf12-clean.yml
+++ b/.github/workflows/ax7203-gf12-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf12_clean/gf12_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf12-mul-clean.yml b/.github/workflows/ax7203-gf12-mul-clean.yml
index f2cbe10b5..5adf1e9c4 100644
--- a/.github/workflows/ax7203-gf12-mul-clean.yml
+++ b/.github/workflows/ax7203-gf12-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf12_mul/gf12_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf12-sub.yml b/.github/workflows/ax7203-gf12-sub.yml
index fc6ceb949..adc5d95e3 100644
--- a/.github/workflows/ax7203-gf12-sub.yml
+++ b/.github/workflows/ax7203-gf12-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf12_sub/gf12_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf14-add.yml b/.github/workflows/ax7203-gf14-add.yml
index 54037e87b..c0163d336 100644
--- a/.github/workflows/ax7203-gf14-add.yml
+++ b/.github/workflows/ax7203-gf14-add.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf14_add/gf14_add_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf14-mul.yml b/.github/workflows/ax7203-gf14-mul.yml
index 78222e334..b9d147eeb 100644
--- a/.github/workflows/ax7203-gf14-mul.yml
+++ b/.github/workflows/ax7203-gf14-mul.yml
@@ -50,7 +50,7 @@ jobs:
               --seed $s --placer $PLACER --router router1 --timing-allow-fail > /tmp/np_$trial.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$trial.log || [ ! -f build/gf14_mul/gf14_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$trial.log /tmp/np.log; CLEAN="$trial($PLACER,s$s)"; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 heap+sa)"; exit 1; }; echo "clean=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 heap+sa)"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "clean=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf14-sub.yml b/.github/workflows/ax7203-gf14-sub.yml
index 8dab954f9..e4dc0b3f3 100644
--- a/.github/workflows/ax7203-gf14-sub.yml
+++ b/.github/workflows/ax7203-gf14-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf14_sub/gf14_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf16-clean.yml b/.github/workflows/ax7203-gf16-clean.yml
index 4897261b1..b9ec4217c 100644
--- a/.github/workflows/ax7203-gf16-clean.yml
+++ b/.github/workflows/ax7203-gf16-clean.yml
@@ -59,7 +59,7 @@ jobs:
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf16_clean/gf16_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
           done
-          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }
+          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "seed=$CLEAN"
       - name: fasm2frames + xc7frames2bit
         run: |
diff --git a/.github/workflows/ax7203-gf16-mul-clean.yml b/.github/workflows/ax7203-gf16-mul-clean.yml
index 57f7733f3..5b1a00114 100644
--- a/.github/workflows/ax7203-gf16-mul-clean.yml
+++ b/.github/workflows/ax7203-gf16-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf16_mul/gf16_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf16-sub.yml b/.github/workflows/ax7203-gf16-sub.yml
index 8f83a6ca5..ed1bb1017 100644
--- a/.github/workflows/ax7203-gf16-sub.yml
+++ b/.github/workflows/ax7203-gf16-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf16_sub/gf16_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf20-clean.yml b/.github/workflows/ax7203-gf20-clean.yml
index 6ed7cb1ff..38ca7f9e7 100644
--- a/.github/workflows/ax7203-gf20-clean.yml
+++ b/.github/workflows/ax7203-gf20-clean.yml
@@ -66,7 +66,7 @@ jobs:
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf20_clean/gf20_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
           done
-          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }
+          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "seed=$CLEAN"
       - name: fasm2frames + xc7frames2bit
         run: |
diff --git a/.github/workflows/ax7203-gf20-mul-clean.yml b/.github/workflows/ax7203-gf20-mul-clean.yml
index 58c845437..20dccea08 100644
--- a/.github/workflows/ax7203-gf20-mul-clean.yml
+++ b/.github/workflows/ax7203-gf20-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --seed $s --placer heap --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf20_mul/gf20_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf20-sub.yml b/.github/workflows/ax7203-gf20-sub.yml
index b828e4a7f..b1cceb5bc 100644
--- a/.github/workflows/ax7203-gf20-sub.yml
+++ b/.github/workflows/ax7203-gf20-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --seed $s --placer heap --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf20_sub/gf20_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf24-clean.yml b/.github/workflows/ax7203-gf24-clean.yml
index 010c039f6..eeb64cc8b 100644
--- a/.github/workflows/ax7203-gf24-clean.yml
+++ b/.github/workflows/ax7203-gf24-clean.yml
@@ -59,7 +59,7 @@ jobs:
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf24_clean/gf24_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
           done
-          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }
+          [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "seed=$CLEAN"
       - name: fasm2frames + xc7frames2bit
         run: |
diff --git a/.github/workflows/ax7203-gf24-mul-clean.yml b/.github/workflows/ax7203-gf24-mul-clean.yml
index 631c4ce52..41cc5c7a9 100644
--- a/.github/workflows/ax7203-gf24-mul-clean.yml
+++ b/.github/workflows/ax7203-gf24-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf24_mul/gf24_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf24-sub.yml b/.github/workflows/ax7203-gf24-sub.yml
index dbf617cfe..70d816085 100644
--- a/.github/workflows/ax7203-gf24-sub.yml
+++ b/.github/workflows/ax7203-gf24-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf24_sub/gf24_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf32-add.yml b/.github/workflows/ax7203-gf32-add.yml
index d1d3c77a3..4983aecd0 100644
--- a/.github/workflows/ax7203-gf32-add.yml
+++ b/.github/workflows/ax7203-gf32-add.yml
@@ -48,7 +48,7 @@ jobs:
               --seed $s --placer heap --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf32_add/gf32_add_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf32-mul.yml b/.github/workflows/ax7203-gf32-mul.yml
index 286e7e90c..cc07fa6f1 100644
--- a/.github/workflows/ax7203-gf32-mul.yml
+++ b/.github/workflows/ax7203-gf32-mul.yml
@@ -50,7 +50,7 @@ jobs:
               --seed $s --placer $PLACER --router router2 --timing-allow-fail > /tmp/np_$trial.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$trial.log || [ ! -f build/gf32_mul/gf32_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$trial.log /tmp/np.log; CLEAN="$trial($PLACER,seed=$s)"; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 attempts, heap+sa)"; exit 1; }; echo "clean=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed (16 attempts, heap+sa)"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "clean=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf32-sub.yml b/.github/workflows/ax7203-gf32-sub.yml
index 1ae1e7ab2..717d00c54 100644
--- a/.github/workflows/ax7203-gf32-sub.yml
+++ b/.github/workflows/ax7203-gf32-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --seed $s --placer heap --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf32_sub/gf32_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf4-clean.yml b/.github/workflows/ax7203-gf4-clean.yml
index a7a084808..d7bcd4355 100644
--- a/.github/workflows/ax7203-gf4-clean.yml
+++ b/.github/workflows/ax7203-gf4-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf4_clean/gf4_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf4-mul-clean.yml b/.github/workflows/ax7203-gf4-mul-clean.yml
index 87fd2e4c0..b10b581eb 100644
--- a/.github/workflows/ax7203-gf4-mul-clean.yml
+++ b/.github/workflows/ax7203-gf4-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf4_mul/gf4_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf4-sub.yml b/.github/workflows/ax7203-gf4-sub.yml
index 8030fd6b9..d582851a4 100644
--- a/.github/workflows/ax7203-gf4-sub.yml
+++ b/.github/workflows/ax7203-gf4-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf4_sub/gf4_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf6-clean.yml b/.github/workflows/ax7203-gf6-clean.yml
index 2c8550a5f..ff6b791bb 100644
--- a/.github/workflows/ax7203-gf6-clean.yml
+++ b/.github/workflows/ax7203-gf6-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf6_clean/gf6_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf6-mul-clean.yml b/.github/workflows/ax7203-gf6-mul-clean.yml
index 9c8445b9a..5828869ea 100644
--- a/.github/workflows/ax7203-gf6-mul-clean.yml
+++ b/.github/workflows/ax7203-gf6-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf6_mul/gf6_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf6-sub.yml b/.github/workflows/ax7203-gf6-sub.yml
index 0bf57e088..668678cf9 100644
--- a/.github/workflows/ax7203-gf6-sub.yml
+++ b/.github/workflows/ax7203-gf6-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf6_sub/gf6_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf8-clean.yml b/.github/workflows/ax7203-gf8-clean.yml
index f51923e21..35ddd7fce 100644
--- a/.github/workflows/ax7203-gf8-clean.yml
+++ b/.github/workflows/ax7203-gf8-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf8_clean/gf8_clean_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf8-mul-clean.yml b/.github/workflows/ax7203-gf8-mul-clean.yml
index 50c37fec9..9a9f88a08 100644
--- a/.github/workflows/ax7203-gf8-mul-clean.yml
+++ b/.github/workflows/ax7203-gf8-mul-clean.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf8_mul/gf8_mul_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gf8-sub.yml b/.github/workflows/ax7203-gf8-sub.yml
index 8b3d3f02c..15ead84de 100644
--- a/.github/workflows/ax7203-gf8-sub.yml
+++ b/.github/workflows/ax7203-gf8-sub.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/gf8_sub/gf8_sub_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-gfternary-mul.yml b/.github/workflows/ax7203-gfternary-mul.yml
index b076fc05f..4a8894b62 100644
--- a/.github/workflows/ax7203-gfternary-mul.yml
+++ b/.github/workflows/ax7203-gfternary-mul.yml
@@ -67,7 +67,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
       - name: fasm2bit
         run: |
diff --git a/.github/workflows/ax7203-identity-echo.yml b/.github/workflows/ax7203-identity-echo.yml
index 77cf76951..fbeb3aaef 100644
--- a/.github/workflows/ax7203-identity-echo.yml
+++ b/.github/workflows/ax7203-identity-echo.yml
@@ -48,7 +48,7 @@ jobs:
               --freq 50.0 --seed $s --placer sa --router router1 --timing-allow-fail > /tmp/np_$s.log 2>&1 || true
             if grep -q "Failed to find a route" /tmp/np_$s.log || [ ! -f build/identity_echo/identity_echo_ax7203.fasm ]; then continue; fi
             cp /tmp/np_$s.log /tmp/np.log; CLEAN=$s; break
-          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; exit 1; }; echo "seed=$CLEAN"
+          done; [ "$CLEAN" = "0" ] && { echo "::error::no clean seed"; tail -n 15 /tmp/np_*.log; exit 1; }; echo "seed=$CLEAN"
       - name: fasm2bit
         run: |
           docker run --rm -v "$PWD:/work" -w /work regymm/openxc7 bash -c "
diff --git a/.github/workflows/ax7203-trinet-baud.yml b/.github/workflows/ax7203-trinet-baud.yml
index 626677a41..d93548b09 100644
--- a/.github/workflows/ax7203-trinet-baud.yml
+++ b/.github/workflows/ax7203-trinet-baud.yml
@@ -92,7 +92,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
 
       - name: fasm2bit
diff --git a/.github/workflows/ax7203-trinet-dna-probe.yml b/.github/workflows/ax7203-trinet-dna-probe.yml
index 21d905d7c..e932ad244 100644
--- a/.github/workflows/ax7203-trinet-dna-probe.yml
+++ b/.github/workflows/ax7203-trinet-dna-probe.yml
@@ -77,7 +77,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
       - name: fasm2bit
         run: |
diff --git a/.github/workflows/ax7203-trinet-fleet.yml b/.github/workflows/ax7203-trinet-fleet.yml
index 86b6dcf65..5d6d15dd6 100644
--- a/.github/workflows/ax7203-trinet-fleet.yml
+++ b/.github/workflows/ax7203-trinet-fleet.yml
@@ -129,7 +129,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
 
       - name: fasm2bit
diff --git a/.github/workflows/ax7203-trinet-mac32.yml b/.github/workflows/ax7203-trinet-mac32.yml
index 22c2334dc..1570ab05f 100644
--- a/.github/workflows/ax7203-trinet-mac32.yml
+++ b/.github/workflows/ax7203-trinet-mac32.yml
@@ -83,7 +83,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
       - name: fasm2bit
         run: |
diff --git a/.github/workflows/ax7203-trinet-node-v2.yml b/.github/workflows/ax7203-trinet-node-v2.yml
index a8259ba79..e7cdf75fb 100644
--- a/.github/workflows/ax7203-trinet-node-v2.yml
+++ b/.github/workflows/ax7203-trinet-node-v2.yml
@@ -90,7 +90,7 @@ jobs:
             done
             [ -n "$CLEAN" ] && break
           done
-          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; exit 1; }
+          [ -z "$CLEAN" ] && { echo "::error::no clean seed across heap+sa x8"; tail -n 15 /tmp/np_*.log; exit 1; }
           echo "routed with placer/seed = $CLEAN"
       - name: fasm2bit
         run: |