[缺陷描述]： anck 4.19内核，测试ltp中net.rpc_tests、net.tirpc_tests测试集中部分用例执行失败，疑似rpc部分接口调用失败 测试代码路径：./testcases/network/tcp_cmds/ipneigh/ipneigh01.sh [测试环境]： 云上ECS [复现概率]： 必现 [复现步骤]： # 下载并编译测试套 git clone https://github.com/anolis/ltp.git cd ltp make autotools ./configure make make install # 执行用例 /opt/ltp/runltp -f net.rpc_tests -s rpc_pmap_rmtcall /opt/ltp/runltp -f net.rpc_tests -s rpc_clnt_broadcast /opt/ltp/runltp -f net.tirpc_tests -s tirpc_rpcb_rmtcall /opt/ltp/runltp -f net.tirpc_tests -s tirpc_rpc_broadcast /opt/ltp/runltp -f net.tirpc_tests -s tirpc_rpc_broadcast_exp 内核信息： # uname -r 4.19.91-158.git.b8202b253ef3.an8.x86_64 操作系统信息： # cat /etc/os-release NAME="Anolis OS" VERSION="8.6" ID="anolis" ID_LIKE="rhel fedora centos" VERSION_ID="8.6" PLATFORM_ID="platform:an8" PRETTY_NAME="Anolis OS 8.6" ANSI_COLOR="0;31" HOME_URL="https://openanolis.cn/" cpu信息： # lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel BIOS Vendor ID: Alibaba Cloud CPU family: 6 Model: 106 Model name: Intel(R) Xeon(R) Platinum 8369B CPU @ 2.70GHz BIOS Model name: pc-i440fx-2.1 Stepping: 6 CPU MHz: 2699.998 BogoMIPS: 5399.99 Hypervisor vendor: KVM Virtualization type: full L1d cache: 48K L1i cache: 32K L2 cache: 1280K L3 cache: 49152K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid tsc_known_freq pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single ibrs_enhanced fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves wbnoinvd arat avx512vbmi pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid fsrm arch_capabilities 内存信息： # free -h total used free shared buff/cache available Mem: 15Gi 1.0Gi 8.9Gi 0.0Ki 5.2Gi 13Gi Swap: 0B 0B 0B [期望结果]： 用例可以正常执行pass [实际结果]： 用例执行失败 用例日志： <<<test_start>>> tag=rpc_pmap_rmtcall stime=1664521162 cmdline="rpc_test.sh -s rpc_svc_1 -c rpc_pmap_rmtcall" contacts="" analysis=exit <<<test_output>>> rpc_test 1 TINFO: initialize 'lhost' 'ltp_ns_veth2' interface rpc_test 1 TINFO: add local addr 10.0.0.2/24 rpc_test 1 TINFO: add local addr fd00:1:1:1::2/64 rpc_test 1 TINFO: initialize 'rhost' 'ltp_ns_veth1' interface rpc_test 1 TINFO: add remote addr 10.0.0.1/24 rpc_test 1 TINFO: add remote addr fd00:1:1:1::1/64 rpc_test 1 TINFO: Network config (local -- remote): rpc_test 1 TINFO: ltp_ns_veth2 -- ltp_ns_veth1 rpc_test 1 TINFO: 10.0.0.2/24 -- 10.0.0.1/24 rpc_test 1 TINFO: fd00:1:1:1::2/64 -- fd00:1:1:1::1/64 rpc_test 1 TINFO: timeout per run is 0h 5m 0s rpc_test 1 TINFO: check registered RPC with rpcinfo rpc_test 1 TINFO: registered RPC: program vers proto port service 100000 4 tcp 111 portmapper 100000 3 tcp 111 portmapper 100000 2 tcp 111 portmapper 100000 4 udp 111 portmapper 100000 3 udp 111 portmapper 100000 2 udp 111 portmapper 100003 3 tcp 2049 nfs 100003 4 tcp 2049 nfs 100227 3 tcp 2049 nfs_acl 100003 3 udp 2049 nfs 100227 3 udp 2049 nfs_acl 100021 1 udp 60416 nlockmgr 100021 3 udp 60416 nlockmgr 100021 4 udp 60416 nlockmgr 100021 1 tcp 42141 nlockmgr 100021 3 tcp 42141 nlockmgr 100021 4 tcp 42141 nlockmgr 2000333 10 udp 62538 2000333 10 tcp 64536 10 1 udp 49174 rpc_test 1 TINFO: using libtirpc: yes rpc_test 1 TFAIL: rpc_pmap_rmtcall 10.0.0.2 536875000 failed unexpectedly 1