关于 Ubuntu 上时不时 SSID 消失的问题（二）
问题描述看这个 关于 Ubuntu 上时不时 SSID 消失的问题
本来嘛，这个 bug 复现率不高，于是都拿复现率低来挡回去，懒得修。结果有个同事是神人，能给我 100% 复现，我被他的老大日了一脸，灰头土脸修 bug 了。
找了半天问题，感觉一时半会解决不了，于是加了个 work around 先暂时对付上，我再慢慢看问题。虽然是 wpa_supplicant 挂的问题，我思索了一下，还是写了重启 NetworkManager ，就能管得宽点就宽点吧。
[Unit] Description=Local system resume actions After=suspend.target After=hibernate.target After=hybrid-sleep.target [Service] Type=oneshot ExecStart=/usr/bin/resume-wpasupplicant.sh [Install] WantedBy=suspend.target WantedBy=hibernate.target WantedBy=hybrid-sleep.target
在 resume-wpasupplicant.sh 里可以乱写一些 debug 的啥啊之类的，反正主要功能也就一句话。
#!/bin/bash /bin/systemctl restart NetworkManager
把这个加进去 enable 之后让那个同事帮我复现了一下，很好很好，复现率为 0。
然后打包塞进 iso =口=
然后我折腾了整整两天。。。
我的思路：装包还不简单？（打了个包）enable service 还不简单（在黑魔法里加一句）
然而装好后并没有成功，service 还是没有被 enable 起来。
后来问了一下同事，原来打 systemd 相关的包需要 `dh systemd`，需要自动 enable 的话都在 rules 里加上。参考这个 https://wiki.debian.org/Teams/pkg-systemd/Packaging
#!/usr/bin/make -f %: dh $@ --with systemd override_dh_installinit: dh_systemd_enable resume-wpasupplicant.service
所以就是这么个东西了。。。=。=
然后这个包安装上就会自动 enable 相关的 service 了。
先加个 work around 凑合着，下一步仔细看看问题，或者开始刷题=。=
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