Installing Ubuntu 9.10 (Karmic Koala) on a ThinkPad T410

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This article describes the installation of Ubuntu 9.10 (32/64 bit) on a Thinkpad T410 type 2522-3FG (with nVidia graphics card).

Hardware Support Details

Works with limitations

This is due to a bug in the intel e1000 driver that is included in Karmic. The new driver for the e1000e which can be downloaded from

www.downloadcenter.intel.com

works nicely. It has to be compiled and installed manually though. Remember to delete the old driver from lib/modules/....

EDIT: The new kernel included in Lucid also does the trick!

Works out-of-the-box

  • Audio
  • DVD burner
  • card reader, tested with 8 GB SD card
  • webcam

Works with additional configuration

  • WLAN: WLAN is not supported out of the box in karmic. # apt-get install linux-backports-module-karmic will install the backported driver.
  • nVidia NVS 3100m Graphics: install restricted drivers to get better colors, but
    • brightness control (Fn + Home, Fn + End) does not work. It displays the brightness indicator, which can be adjusted up and down. But the actual screen brightness does not change. As a workaround switch to text mode via Ctrl-Alt-F1, then brightness control works, so can adjust to your wanted brightness, and then switch back to graphics mode via Alt-F7.
    • A permanent fix is to include Option "RegistryDwords" "EnableBrightnessControl=1" in the "Device" section of /etc/X11/xorg.conf
  • 4 GB memory and 32 bit kernel: the default kernel (linux-generic) only uses 3 GB memory, with the linux-generic-pae kernel $ cat /proc/meminfo shows MemTotal: 3977248 kB. The 64 bit system works fine, so I'd say why bother with 32 bit?
  • The I/O scheduler default in Karmic is CFG. This seems to be the cause for frequent system lag here. The anticipatory scheduler has proven to give a more responsive system under high I/O load:
    • # apt-get install sysfsutils
    • add to /etc/sysfs.conf: sys/block/sda/queue/scheduler = anticipatory

Does not work

  • Suspend/Resume: There seems to be a bug in the BIOS which prevents the second resume causing a reboot (which will hang at the ThinkPad splash screen). Aparently Lenovo is working on it and a new BIOS will be released by end of April 2010 (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/532374)
  • USB does not work after suspend/resume (Probably related to the other suspend/resume bug)


Untested

The remaining devices are currently not tested.

Additional information

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