> For the complete documentation index, see [llms.txt](https://huataihuang.gitbook.io/cloud-atlas-draft/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://huataihuang.gitbook.io/cloud-atlas-draft/os/linux/kernel/tracing/gdb_debuginf.md).

# gdb和debuginfo

排查 dmidecode 触发的core问题，采用如下方法

* 激活 `/etc/yum.repos.d/CentOS-Linux-Debuginfo.repo`
* 安装debuginfo文件

```
debuginfo-install dmidecode-2.11-2.1.alios6.x86_64
```

* 执行以下命令进行gdb

```
gdb --args dmidecode
```

然后输入命令

```
r
bt
```

## 参考

* ["bus error" when running under docker #249](https://github.com/tinyproxy/tinyproxy/issues/249)