Created attachment 519332 [details] boot, suspend while on ac, resume then remove ac plug, suspend, resume and black-screen Description of problem: While on battey, if i send laptop to sleep (KDE/Leave/Sleep), it does come back black. * If the same procedure (KDE/Leave/Slepp) is performed while the AC Power is connected, there is no problem. Suspend/Resume works. * If the same procedure (KDE/Leave/Slepp) is performed while the AC Power is connected, and the AC power is removed BEFORE resume, then there is no problem also. Suspend in AC / Resume in BAT works. Version-Release number of selected component (if applicable): Fedora 15, X86_64, KDE, updated to latest version(s). kernel: 2.6.40.3-0.fc15.x86_64 nouveau: xorg-x11-drv-nouveau.x86_64 1:0.0.16-24.20110324git8378443.fc15 @koji-override-0/$releasever kde: kdebase.x86_64 6:4.6.5-1.fc15 @updates kdebase-libs.x86_64 6:4.6.5-1.fc15 @updates kdebase-runtime.x86_64 4.6.5-1.fc15 @updates kdebase-runtime-debuginfo.x86_64 4.6.5-1.fc15 @updates-debuginfo kdebase-runtime-flags.noarch 4.6.5-1.fc15 @updates kdebase-runtime-libs.x86_64 4.6.5-1.fc15 @updates kdebase-workspace.x86_64 4.6.5-2.fc15 @updates kdebase-workspace-debuginfo.x86_64 4.6.5-2.fc15 @updates-debuginfo kdebase-workspace-libs.x86_64 4.6.5-2.fc15 @updates mesa: mesa-debuginfo.x86_64 7.11-1.fc15 @updates-debuginfo mesa-dri-drivers.x86_64 7.11-1.fc15 @updates mesa-dri-filesystem.x86_64 7.11-1.fc15 @updates mesa-dri-llvmcore.x86_64 7.11-0.11.20110525.0.fc15 @updates mesa-libGL.x86_64 7.11-1.fc15 @updates mesa-libGLU.x86_64 7.11-1.fc15 @updates How reproducible: allways Steps to Reproduce: 1. unplug the ac power cord 2. KDE/Leave/Sleep, wait for it to sleep. 3. Hit the power button to resume, black screen. At this point, switch to another vt (ctrl+f1 will take some time to swtich, the screen blinks like it is trying hard to switch..., let it switch) Actual results: * For some reason, the laptop cannot susspend correctly ONLY while on battery. Expected results: * Suspend/Resume should work with battery power too. Additional info: The Laptop is an Asus UL80vt, nVIDIA + Intel GMAblabla, using nVIDIA with nouveau. 01:00.0 VGA compatible controller [0300]: nVidia Corporation GT218 [GeForce G210M] [10de:0a74] (rev a2)
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