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RDMA coredump #2213
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这个问题辛苦 @Tuvie 帮忙看看哈 |
这个故障注入的原理是什么?我通过所提供的脚本无法实现故障注入,仍然正常运行。 |
你好。这个脚本会关闭3队列网卡buffer,我们roce在3队列运行,关闭buffer后相当于主机侧rdma流量断开,用perftest打流测试表现为出现timeout cqe。我们通过这个脚本实现rdma的故障注入,并且不影响tcp协议 如果你们的环境roce不在3队列,比如在5队列,可以把 |
#2220 |
试过了,core问题解决了 |
Describe the bug (描述bug)
example/rdma_performance测试,client coredump。
To Reproduce (复现方法)
Expected behavior (期望行为)
client不core
Versions (各种版本)
OS: CentOS Linux,VERSION="7 (Core)"
Compiler: gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
brpc: master分支
protobuf: 2.5.0-8.el7
Additional context/screenshots (更多上下文/截图)
--rdma_prepared_qp_cnt=1 和--rdma_prepared_qp_cnt=4000的时候不会core,设置为其他值会core。
出问题的cq没有提前释放。
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