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    N900 waking up intermittently and weird touch screen problem

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    bipinbn | # 1 | 2011-05-22, 05:43 | Report

    Hi Friends,

    Off late I am facing a weird issue with my 1 year old N900 which has been working rock solid all along.

    ISSUE: My n900 keeps waking up every now and then intermittently..i.e. after the display has turned off after 30 sec {BACK LIGHT SET TIME} ..The display switches on again and nothing happens.

    If I touch the screen at that instance the desktop goes to edit mode and nothing works after that..I have to press the ctrl+backspace to access the desktop again but immediately it goes back to edit mode again. - as shown in attached screen shot

    I have attached the output of PS along with all the packages installed on my n900. Can someone help me to troubleshoot the issue? Plan to re flash if nothing works out.

    PS: I tried searching Google and the forum with strings like “n900 touch screen issue”, “n900 keeps waking up” but nothing is related to the issue I am facing.

    I am using Power-kernel 47 with latest CSSU updates

    Please help me in resolving this.

    Thanks
    Bipin

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    Attached Images
     
    Attached Files
    File Type: zip ps and installe packages.zip (17.2 KB, 97 views)

    Last edited by bipinbn; 2011-05-22 at 05:48.

     
    naninenu | # 2 | 2011-05-22, 06:10 | Report

    Originally Posted by bipinbn View Post
    Hi Friends,

    Off late I am facing a weird issue with my 1 year old N900 which has been working rock solid all along.

    ISSUE: My n900 keeps waking up every now and then intermittently..i.e. after the display has turned off after 30 sec {BACK LIGHT SET TIME} ..The display switches on again and nothing happens.

    If I touch the screen at that instance the desktop goes to edit mode and nothing works after that..I have to press the ctrl+backspace to access the desktop again but immediately it goes back to edit mode again. - as shown in attached screen shot

    I have attached the output of PS along with all the packages installed on my n900. Can someone help me to troubleshoot the issue? Plan to re flash if nothing works out.

    PS: I tried searching Google and the forum with strings like “n900 touch screen issue”, “n900 keeps waking up” but nothing is related to the issue I am facing.

    I am using Power-kernel 47 with latest CSSU updates

    Please help me in resolving this.

    Thanks
    Bipin
    And i thought only i was facing the issue. Same issue with me. I actually flashed my n900 with latest version (both emmc and os) and am still facing the issue. I think its purely hardware problem. Something to do touchscreen

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    The Following User Says Thank You to naninenu For This Useful Post:
    bipinbn

     
    bipinbn | # 3 | 2011-05-22, 06:17 | Report

    Originally Posted by naninenu View Post
    And i thought only i was facing the issue. Same issue with me. I actually flashed my n900 with latest version (both emmc and os) and am still facing the issue. I think its purely hardware problem. Something to do touchscreen
    I dont think its an hardware issue. Because after I reboot the phone or kill hildon-desktop I dont see the issue for some time.

    It start happening after 10-15 minutes after reboot.

    I am not able to zero in on any software which i recently installed that might be causing this..i have all repos enabled an keep installing/uninstalling apps..

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    naninenu | # 4 | 2011-05-22, 09:44 | Report

    Someone Please help us with this...

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    Saturn | # 5 | 2011-05-22, 12:30 | Report

    Hi,

    Don't know if actually related but there are two entries in your ps file

    3977 user 2692 S sleep 600
    4025 root 2692 S sleep 600

    which mean that will complete something after 10 minutes.

    In any case looks strange. I will not be surprised if this from an app you got from devel.

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    aliquer | # 6 | 2011-05-22, 21:20 | Report

    I have a similar problem, posted in this thread:

    http://talk.maemo.org/showthread.php?t=73330

    would be thankful for a solution!

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    maxximuscool | # 7 | 2011-05-22, 21:44 | Report

    if it is not 2years old then send it back to Nokia for inspection.
    First flashing it with a new firmware and if it doesn't solve the problem then send it away.

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    ehab | # 8 | 2011-05-22, 22:03 | Report

    This is most likely software. Uninstall each software you have one by one, if it does not solve the issue after waiting for a few hours re-install it again.

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    bipinbn | # 9 | 2011-05-24, 13:51 | Report

    Thank you all for the suggestion guys..

    How much weird it may sound but the issue was with the screen protector.

    I read some other thread and as suggested there I removed the screen guard which had become very old and the gum underneath had become hard.

    The problem is gone now !!!! weird but true

    Thanks again!!!

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