[Intel-gfx] i915 closing laptop lid kills LVDS until reboot

Fu Michael michael_fu at linux.intel.com
Tue Apr 7 04:13:50 CEST 2009

Saikat Guha wrote:
> Hi,
> I am using KMS with a Intel 915 card (on a Thinkpad X41 Tablet).
> Closing and reopening the lid kills the LVDS until a reboot.
> I can still fly blind (or log in over the network); and vbetool dpms
> does manage to turn the backlight on or off, but the display remains
> black. This happens both in X and outside of X (during boot for
> example). This is not related to suspend/resume.
> I posted a video of the bug at:
> http://www.youtube.com/watch?v=-q1N4iosOCI
> I posted dmesg and Xorg logs in the following bz:
> https://bugzilla.redhat.com/show_bug.cgi?id=489907
> I would like to help resolve this bug so I can use my laptop again. Please help!
> cheers,

there is a tool called 'intel-lid' from zhenyu in xf86-video-intel repo, 
would you pls run that and send out the output?


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