Red Hat Bugzilla – Bug 530773
i8042.dumbkbd option causes Sony VAIO VGN-CS160J notebook display brightness to get stuck at lowest level
Last modified: 2010-12-03 22:42:36 EST
Description of problem:
On Sony VAIO VGN-CS160J notebook, when using the kernel parameter i8042.dumbkbd to prevent keyboard from no longer responding after suspend/resume, display brightness falls to the lowest level and can no longer be adjusted.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Add i8402.dumbkbd=1 to kernel options
2. Boot normally, suspend and resume
Note that the kernel option was added in the first place due to the keyboard no longer responding after suspend/resume. After adding the option, the keyboard continues to work but the above-described display brightness issue persists.
Adding Richard Hughes since this might be something quirks or gnome-power-manager would address.
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle.
Changing version to '12'.
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