panic for ubuntu low graphic mode
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折腾一天的教训就是:要么机器玩你,要么你玩机器,比的是耐心,千万别病急乱投医~
参考[3],从failsafeX进入终端界面
1. 查明硬件(Nvidia,Intel,ATI)
$ lshw -c video
WARNING: you should run this program as super-user.
*-display
description: VGA compatible controller
product: Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller
vendor: Intel Corporation
或者 lspci -v |grep -i "vga"
参考[4],不同的显卡,不同的解决方案。
2. 查明图形桌面(gdm,lightdm,kdm)
> cd /etc/X11
> cat ./default-display-manager
尝试重启操作
> service gdm restart
> service lightdm restart
检查错误日志
>grep "(EE)" /var/log/Xorg.*.log
定位错误行后再找解决方案。
3. 比较安全的修复操作
> sudo apt-get update && apt-get upgrade
> sudo apt-get install --reinstall ubuntu-desktop
> sudo reboot
最后找到的两个解决方案
参考[2]中修改grub,GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"
参考[4]中删除failsafe
Ubuntu 14.04 下禁用selinux最彻底的方法,虽然不建议禁用。
> sudo vim /etc/default/grub
将其中的selinux=1改为selinux=0
这东西太复杂,管住了所有的文件权限。
参考链接:
1. http://askubuntu.com/questions/500911/ubuntu-14-04-not-recognizing-installed-intel-graphics-driver
2. http://forum.ubuntu.com.cn/viewtopic.php?f=77&t=423171
3. http://askubuntu.com/questions/141606/how-to-fix-the-system-is-running-in-low-graphics-mode-error
4. http://forum.ubuntu.com.cn/viewtopic.php?f=77&t=351929&view=previous
5. http://askubuntu.com/questions/500911/ubuntu-14-04-not-recognizing-installed-intel-graphics-driver
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