|FAILURE| pw117196 [PATCH v7 7/7] ci: add LOONGARCH64 cross compilation job

[0-day Robot]

From: robot at bytheb.org

Test-Label: github-robot: build
Test-Status: FAILURE
http://patchwork.dpdk.org/patch/117196/

_github build: failed_
Build URL: https://github.com/ovsrobot/dpdk/actions/runs/3157319379
Build Logs:
-----------------------Summary of failed steps-----------------------
"ubuntu-20.04-gcc-shared-loongarch64" failed at step Build and test
----------------------End summary of failed steps--------------------

-------------------------------BEGIN LOGS----------------------------
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#### [Begin job log] "ubuntu-20.04-gcc-shared-loongarch64" at step Build and test
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    inlined from ‘virtio_dev_rx_async_packed’ at ../lib/vhost/virtio_net.c:1836:6,
    inlined from ‘virtio_dev_rx_async_submit_packed’ at ../lib/vhost/virtio_net.c:1895:7:
../lib/vhost/virtio_net.c:1160:18: error: ‘buf_vec[0].buf_iova’ may be used uninitialized [-Werror=maybe-uninitialized]
 1160 |         buf_iova = buf_vec[vec_idx].buf_iova;
      |         ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
../lib/vhost/virtio_net.c: In function ‘virtio_dev_rx_async_submit_packed’:
../lib/vhost/virtio_net.c:1834:27: note: ‘buf_vec’ declared here
 1834 |         struct buf_vector buf_vec[BUF_VECTOR_MAX];
      |                           ^~~~~~~
In function ‘mbuf_to_desc’,
    inlined from ‘vhost_enqueue_async_packed’ at ../lib/vhost/virtio_net.c:1822:6,
    inlined from ‘virtio_dev_rx_async_packed’ at ../lib/vhost/virtio_net.c:1836:6,
    inlined from ‘virtio_dev_rx_async_submit_packed’ at ../lib/vhost/virtio_net.c:1895:7:
../lib/vhost/virtio_net.c:1161:35: error: ‘buf_vec[0].buf_len’ may be used uninitialized [-Werror=maybe-uninitialized]
 1161 |         buf_len = buf_vec[vec_idx].buf_len;
      |                   ~~~~~~~~~~~~~~~~^~~~~~~~
../lib/vhost/virtio_net.c: In function ‘virtio_dev_rx_async_submit_packed’:
../lib/vhost/virtio_net.c:1834:27: note: ‘buf_vec’ declared here
 1834 |         struct buf_vector buf_vec[BUF_VECTOR_MAX];
      |                           ^~~~~~~
cc1: all warnings being treated as errors
[471/3589] Compiling C object 'lib/76b5a35@@rte_port at sta/port_rte_swx_port_source_sink.c.o'.
[472/3589] Compiling C object 'lib/76b5a35@@rte_port at sta/port_rte_port_kni.c.o'.
ninja: build stopped: subcommand failed.
##[error]Process completed with exit code 1.
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#### [End job log] "ubuntu-20.04-gcc-shared-loongarch64" at step Build and test
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--------------------------------END LOGS-----------------------------