hhhhhhhhik opened a new issue #873: bthread_jump_fcontext 导致服务出core URL: https://github.com/apache/incubator-brpc/issues/873 **Describe the bug (描述bug)** 服务运行一个月左右，目前出现一次coredump，没有复现，想问下，出现这种情况一般是什么问题导致？coredump的堆栈如下： Program terminated with signal 7, Bus error. #0 0x00000000006c4556 in bthread_jump_fcontext () (gdb) bt #0 0x00000000006c4556 in bthread_jump_fcontext () Cannot access memory at address 0x300007ff8c9374e **To Reproduce (复现方法)** 服务运行一个月，暂时没有复现 **Expected behavior (期望行为)** 正常运行，无core **Versions (各种版本)** OS:CentOS release 6.3 (Final) 内核 2.6.32_1-31-0-0 Compiler: gcc 4.8.2 brpc: 厂内stable版本 protobuf: 厂内stable依赖版本 **Additional context/screenshots (更多上下文/截图)** dmesg中相关信息 
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