Description of problem: The brightness of the screen needs to be manually brought up via "Fn + Home" key combination every time reboot an IBM T43 laptop. There are several those messages in dmesg, thinkpad_acpi: CMOS NVRAM (7) and EC (5) do not agree on display brightness level Version-Release number of selected component (if applicable): kernel-2.6.18-128.7.1.el5 How reproducible: always Steps to Reproduce: 1. boot the laptop Actual results: The brightness of the screen is the lowest. Expected results: The brightness of the screen is the highest.
Is this an Intel or Radeon based GPU?
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 03)
Can you test the build at http://brewweb.devel.redhat.com/brew/taskinfo?taskID=2014235 once it's complete?
Looks like the new kernel fixed the problem. There is no such message in dmesg and it always stay in the brightest level.
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release.
in kernel-2.6.18-173.el5 You can download this test kernel from http://people.redhat.com/dzickus/el5 Please do NOT transition this bugzilla state to VERIFIED until our QE team has sent specific instructions indicating when to do so. However feel free to provide a comment indicating that this fix has been verified.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2010-0178.html