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QNN SDK download: validate archive and retry on all errors #19233

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QNN SDK download: validate archive and retry on all errors #19233

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22 changes: 21 additions & 1 deletion backends/qualcomm/scripts/install_qnn_sdk.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,27 @@ install_qnn() {
mkdir -p "${QNN_INSTALLATION_DIR}"

QNN_ZIP_FILE="v${QNN_VERSION}.zip"
curl --retry 3 -Lo "/tmp/${QNN_ZIP_FILE}" "${QNN_ZIP_URL}"
# softwarecenter.qualcomm.com intermittently aborts the download with
# HTTP/2 INTERNAL_ERROR mid-stream, and occasionally returns a tiny
# error body that curl treats as success — both cases get caught here:
# --fail rejects HTTP errors, --retry-all-errors retries transport
# errors, and `unzip -t` validates the archive before we proceed.
QNN_DOWNLOAD_MAX_ATTEMPTS=5
for attempt in $(seq 1 ${QNN_DOWNLOAD_MAX_ATTEMPTS}); do
rm -f "/tmp/${QNN_ZIP_FILE}"
if curl --fail --retry 3 --retry-delay 5 --retry-connrefused --retry-all-errors \
-Lo "/tmp/${QNN_ZIP_FILE}" "${QNN_ZIP_URL}" \
&& unzip -tq "/tmp/${QNN_ZIP_FILE}"; then
break
fi
ls -l "/tmp/${QNN_ZIP_FILE}" 2>&1 || true
if [ "${attempt}" = "${QNN_DOWNLOAD_MAX_ATTEMPTS}" ]; then
echo "ERROR: QNN SDK download failed after ${attempt} attempts" >&2
exit 1
fi
echo "QNN SDK download attempt ${attempt} failed; retrying in $((attempt * 10))s..."
sleep $((attempt * 10))
done
echo "Finishing downloading qnn sdk."
unzip -qo "/tmp/${QNN_ZIP_FILE}" -d /tmp
echo "Finishing unzip qnn sdk."
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