From e6103101297efb83440d5d2c8c7de250c5e35a02 Mon Sep 17 00:00:00 2001
From: Dewey Dunnington <dewey@wherobots.com>
Date: Sun, 31 May 2026 22:39:46 -0500
Subject: [PATCH 1/3] upload output on failure

---
 .github/workflows/verify.yaml | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/verify.yaml b/.github/workflows/verify.yaml
index f56339040..47bba214e 100644
--- a/.github/workflows/verify.yaml
+++ b/.github/workflows/verify.yaml
@@ -170,5 +170,17 @@ jobs:
 
         run: |
           cd src
+          mkdir -p ../nanoarrow-verify-tmp
           echo "::group::Docker Pull"
-          docker compose run -e GITHUB_ACTIONS ${{ matrix.config.compose_args }} verify
+          docker compose run \
+            -e GITHUB_ACTIONS \
+            -e NANOARROW_TMPDIR=/nanoarrow-verify-tmp \
+            -v "$(pwd)/../nanoarrow-verify-tmp:/nanoarrow-verify-tmp" \
+            ${{ matrix.config.compose_args }} verify
+
+      - name: Upload temp directory
+        if: failure()
+        uses: actions/upload-artifact@main
+        with:
+          path: nanoarrow-verify-tmp
+          name: nanoarrow-verify-tmp-${{ matrix.config.platform }}-${{ matrix.config.arch }}${{ matrix.config.extra_label }}

From bdf6c5d62bc3aa093b1fc0eb211bcd6dbf902de9 Mon Sep 17 00:00:00 2001
From: Dewey Dunnington <dewey@wherobots.com>
Date: Mon, 1 Jun 2026 09:43:45 -0500
Subject: [PATCH 2/3] add suppression for Arrow C++ issue

---
 valgrind.supp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/valgrind.supp b/valgrind.supp
index c26db940c..c8ba24f92 100644
--- a/valgrind.supp
+++ b/valgrind.supp
@@ -15,6 +15,16 @@
 # specific language governing permissions and limitations
 # under the License.
 
+{
+   <Arrow C++>:Library initialization
+   Memcheck:Cond
+   ...
+   obj:*libarrow*
+   ...
+   fun:call_init*
+   fun:_dl_init
+}
+
 {
     <jemalloc>:Thread locals don't appear to be freed
     Memcheck:Leak

From 2d30b6c377a633cce5b25f52e2a4f782e1772ca4 Mon Sep 17 00:00:00 2001
From: Dewey Dunnington <dewey@wherobots.com>
Date: Mon, 1 Jun 2026 23:12:04 -0500
Subject: [PATCH 3/3] maybe cover R package in dl_init

---
 valgrind.supp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/valgrind.supp b/valgrind.supp
index c8ba24f92..46cae895d 100644
--- a/valgrind.supp
+++ b/valgrind.supp
@@ -19,7 +19,7 @@
    <Arrow C++>:Library initialization
    Memcheck:Cond
    ...
-   obj:*libarrow*
+   obj:*arrow*
    ...
    fun:call_init*
    fun:_dl_init