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Linux 系统 sync 卡死问题环境记录
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#I1GGG1
falcon
owner
Opened this issue
2020-05-07 22:00
该 Issue 用于汇总所有出现 sync 卡死问题的系统状态,方便进一步排查问题。 当前问题已经在 Ubuntu, Deepin 等平台相继出现,在硬件真机和虚拟机都有出现,另外,在 5.3, 5.4, 5.6 都有出现。 下述环境有必现路径: **就是先起来 Linux Lab,再执行 sync 命令,一直不返回,这个时候浏览器也无法打开,但是系统负载并不高。** 如果不跑 Linux Lab,没有问题。 ``` Product: Gigabyte Technology Co., Ltd., B150N Phoenix-WIFI-CF, B150N Phoenix-WIFI ARCH: x86_64 CPU: 4 x Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz RAM: 7915 MiB System: Deepin 20 Beta, n/a Kernel: Linux 5.3.0-3-amd64 Docker: Docker version 19.03.8, build afacb8b7f0 Shell: /bin/bash 5.0.3(1)-release ``` 接下来需要继续排查别的问题: 1. 确认别的内核版本是否 ok,找到准确的版本 2. 确认别的容易,是否有类似故障 3. 进一步用 Ftrace 等跟踪 sync 系统调用,找出内核执行路径 相关参考资料: * [Ubuntu 内核代码仓库地址](https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/) * 如何安装特定的 docker 和内核版本:doc/install/ubuntu-docker.md
该 Issue 用于汇总所有出现 sync 卡死问题的系统状态,方便进一步排查问题。 当前问题已经在 Ubuntu, Deepin 等平台相继出现,在硬件真机和虚拟机都有出现,另外,在 5.3, 5.4, 5.6 都有出现。 下述环境有必现路径: **就是先起来 Linux Lab,再执行 sync 命令,一直不返回,这个时候浏览器也无法打开,但是系统负载并不高。** 如果不跑 Linux Lab,没有问题。 ``` Product: Gigabyte Technology Co., Ltd., B150N Phoenix-WIFI-CF, B150N Phoenix-WIFI ARCH: x86_64 CPU: 4 x Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz RAM: 7915 MiB System: Deepin 20 Beta, n/a Kernel: Linux 5.3.0-3-amd64 Docker: Docker version 19.03.8, build afacb8b7f0 Shell: /bin/bash 5.0.3(1)-release ``` 接下来需要继续排查别的问题: 1. 确认别的内核版本是否 ok,找到准确的版本 2. 确认别的容易,是否有类似故障 3. 进一步用 Ftrace 等跟踪 sync 系统调用,找出内核执行路径 相关参考资料: * [Ubuntu 内核代码仓库地址](https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/) * 如何安装特定的 docker 和内核版本:doc/install/ubuntu-docker.md
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