http://bugzilla.kernel.org/show_bug.cgi?id=9827
Summary: Backlight Remains Off on Resume from Suspend
Product: ACPI
Version: 2.5
KernelVersion: 2.6.23
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Never worked with any kernels tested (2.6.22, 2.6.23)
Distribution: Debian Unstable
Hardware Environment: Fujitsu Lifebook T2010, i965 graphics.
Problem Description: After suspending, the backlight fails to resume in both
the raw console, and Xorg. There is more information available at this bug:
http://bugs.freedesktop.org/show_bug.cgi?id=13709. The kernel exposes no
backlight controls for this machine, and the X methods fail to bring back the
backlight, with the exception of the native method iff I change the driver to
make it default and I restart X after resume.
Steps to reproduce: "echo mem > /sys/power/state", hit the power button, and
note the screen is on, and everything but the backlight has resumed.
More information can be seen at:
http://bugs.freedesktop.org/show_bug.cgi?id=13709
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