我使用 Ubuntu 12.04 已经 12 天了。一开始输入密码后登录速度很快，几乎 3 到 4 秒就能进入桌面，但现在输入密码后要花 40 多秒才能显示桌面。这是什么问题，有什么解决办法吗？
PS 只有两个程序（psensor 和 jupiter）在登录后自动启动。
启动日志
fsck from util-linux 2.20.1
/dev/sda6: clean, 254544/3325952 files, 2133831/13285632 blocks
* Stopping Userspace bootsplash[164G[ OK ]
* Stopping Flush boot log to disk[164G[ OK ]
* Starting mDNS/DNS-SD daemon[164G[ OK ]
Skipping profile in /etc/apparmor.d/disable: usr.sbin.rsyslogd
Skipping profile in /etc/apparmor.d/disable: usr.bin.firefox
* Starting bluetooth daemon[164G[ OK ]
* Starting network connection manager[164G[ OK ]
* Starting AppArmor profiles [170G
[164G[ OK ]
* Stopping System V initialisation compatibility[164G[ OK ]
* Starting CUPS printing spooler/server[164G[ OK ]
* Starting System V runlevel compatibility[164G[ OK ]
* Starting Bumblebee supporting nVidia Optimus cards[164G[ OK ]
* Starting LightDM Display Manager[164G[ OK ]
* Starting save kernel messages[164G[ OK ]
* Starting anac(h)ronistic cron[164G[ OK ]
* Starting ACPI daemon[164G[ OK ]
* Starting regular background program processing daemon[164G[ OK ]
* Starting deferred execution scheduler[164G[ OK ]
speech-dispatcher disabled; edit /etc/default/speech-dispatcher
* Starting CPU interrupts balancing daemon[164G[ OK ]
答案1
检查您的文件系统是否已满；这可能会导致许多副作用。