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On Wed, Mar 10, 2010 at 8:10 PM, Xi Shen <davidshen84@××××××××××.com> wrote: |
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> thanks, i solved this problem without emerging the nvclock package. i |
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> guess it is a group and permission issue. i have my accounts joined |
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> these groups: disk wheel audio cdrom video usb users plugdev, and i |
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> can change the lcd brightness with the kde widget. |
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> |
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> |
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i further identified the cause, and it is the 'plugdev' group. if the |
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user (include root) is not a member of this group, you will not be |
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able to use the kde widget to change the brightness of the lcd. an |
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even wired issue i found is that, after you joined in the group, you |
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will have to restart the system. log off and log on takes no effect. |
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-- |
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Best Regards, |
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David Shen |
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http://twitter.com/davidshen84/ |
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