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Thread: Dell XPS 13 ultrabook compatibility

  1. #171
    Join Date
    Jun 2012
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    5

    Exclamation Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by gensym View Post
    At the uni I am connecting to a WPA2 Enterprise Network (Authentication: PEAP, Inner authentication: MSCHAPv2) with no problems. What sort of authentication mechanisms are you dealing with?

    PS: I am booting with the noapic option, and I turn the wirless power management off at boot (/sbin/iwconfig wlan0 power off).
    Could you show me your "uname -a" output?

    Here is what I have, I will turn off noapic and disable wireless power management.

    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'ssid' value 'wireless2'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'scan_ssid' value '1'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'key_mgmt' value 'WPA-EAP'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'password' value '<omitted>'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'eap' value 'PEAP'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'fragment_size' value '1300'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'phase2' value 'auth=MSCHAPV2'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'identity' value 'cjia'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'bgscan' value 'simple:30:-45:300'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
    Last edited by CyclounsJ; June 29th, 2012 at 11:21 AM.

  2. #172
    Join Date
    Jun 2012
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    Talking Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by CyclounsJ View Post
    Could you show me your "uname -a" output?

    Here is what I have, I will turn off noapic and disable wireless power management.

    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'ssid' value 'wireless2'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'scan_ssid' value '1'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'key_mgmt' value 'WPA-EAP'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'password' value '<omitted>'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'eap' value 'PEAP'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'fragment_size' value '1300'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'phase2' value 'auth=MSCHAPV2'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'identity' value 'cjia'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Config: added 'bgscan' value 'simple:30:-45:300'
    Jun 28 16:33:36 cjia-xps NetworkManager[763]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
    Using the v3.5-rc4-quantal kernel fixed my problem, I am asking help to back port upstream kernel fix to https://launchpad.net/~kamalmostafa/+archive/dellxps.

  3. #173
    Join Date
    Jun 2012
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    5

    Talking Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by CyclounsJ View Post
    Using the v3.5-rc4-quantal kernel fixed my problem, I am asking help to back port upstream kernel fix to https://launchpad.net/~kamalmostafa/+archive/dellxps.
    OK, now it is more strange, after getting my wireless working with v3.5-rc4 kernel, my wireless continues working even switching back to the kamal's PPA kernel.

  4. #174
    Join Date
    Jan 2010
    Location
    Mexico City
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    64
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by Rob F View Post
    I did AOs 1 through 3 from windows and then nuked it to install ubuntu 12.04. I've been using it on this machine for ~3 weeks now... and I'm now getting 5+ hr battery life (seems to have got better with time).
    How did you manage to get such battery life? I get 2+ hours at most running 12.04 on xps 13 (i5) with low brightness control and little CPU demand.

    What needs to be twisted to improve battery life?

    Thanks in advance for suggestions.

  5. #175
    Join Date
    Feb 2007
    Beans
    20

    Re: Dell XPS 13 ultrabook compatibility

    I've added the ppa and updated the system. Now the pad and the bright button work fine.

    I'm currently running the following kernel>
    uname -a
    Linux ubuntu 3.2.0-26-generic #41+kamal4~DellXPS-Ubuntu SMP Tue Jun 26 19:18:20 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

    But I have the linux kernel version 3.2.0-27 waiting to be upgraded

    I guess that if I issue a sudo apt-get dist-upgrade

    I will loose all the enhancements of the kamal kernel...

    So I have to stick with the kamal ppa, until those changes are integrated into the official kenerl..

    Am I right?

    saludos

    sas

  6. #176
    Join Date
    Oct 2006
    Beans
    11
    Distro
    Ubuntu 6.10 Edgy

    Re: Dell XPS 13 ultrabook compatibility

    Morning all,

    Have 12.04 running fine on this laptop, but noticed in recent weeks that I've got the old brightness control problem again, having to manually run the script rather than it 'just working' as it had been for the last month.. bit odd. Is this due to some updates - did anyone else experience this? Also I haven't checked this forum for a while but it seems that the trackpad is still not solved - personally the thing I miss the most is tap-to-click..

    Also, is it still the consensus that vanilla 12.04 + tweaks is as good, if not better, than trying the project sputnik ISO?

    ta

    R

  7. #177
    Join Date
    Jan 2010
    Location
    Mexico City
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    64
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by Rob F View Post
    Also I haven't checked this forum for a while but it seems that the trackpad is still not solved - personally the thing I miss the most is tap-to-click..
    Sputnik claims that trackpad issue is solved. Check 2nd link here: http://ubuntuforums.org/showthread.php?t=2029216

    I personally don't use the trackpad, but still would like to hear if this has solved the issue.

    Good luck.

  8. #178
    Join Date
    Apr 2012
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    23

    Re: Dell XPS 13 ultrabook compatibility

    Quote Originally Posted by Rob F View Post
    Morning all,
    <snip>
    Also, is it still the consensus that vanilla 12.04 + tweaks is as good, if not better, than trying the project sputnik ISO?
    </snip>
    I would like to know that as well.
    Also: How does sputnik exactly differentiate from Ubuntu aside from the extra packages and the different kernel? Would I still be able to update to 12.10 when the time comes, regardless of the direction the sputnik people decide to take?
    Last edited by gensym; July 24th, 2012 at 05:45 PM.

  9. #179
    Join Date
    Apr 2012
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    23

    Re: Dell XPS 13 ultrabook compatibility

    A quick update,

    The sputnik iso seems very stable. Disabling the rc6 option seems like a good thing to do. Now that I disabled it, the computer works more quietly.

  10. #180
    Join Date
    Oct 2006
    Beans
    11
    Distro
    Ubuntu 6.10 Edgy

    Re: Dell XPS 13 ultrabook compatibility

    So, gensym, you had to install from scratch to test the sputnik iso right?
    I don't think I want to do that right now - my laptop is loaded up with loads of extra software, a lot of which isn't from the USC.

    Getting really annoyed at the auto-backlight thing not working anymore though..

    Have you found anywhere else where they're discussing Ubuntu on this laptop - this thread seems to be dead/dying.

    ta,

    R

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