One of my monitors does not enter any power saving mode. Can anybody tell me where to look to figure out what's going on? I have a Fedora 17 workstation with two acer x223w monitors connected to a nvidia GeForce 9800 GTX+ using the nouveau driver. I used to have Fedora 14 installed with nvidia drivers and both monitors would enter a power saving mode. I installed Fedora 17 with the minimal setting and then added KDE and told systemd to use the graphical login. Among the things I see with : $ sudo cat /var/log/Xorg.0.log | grep -B 7 DPMS are : [ 26125.818] (II) NOUVEAU(0): EDID for output DVI-I-1 [ 26125.818] (II) NOUVEAU(0): Manufacturer: ACR Model: 50 Serial#: 2449480058 [ 26125.818] (II) NOUVEAU(0): Year: 2009 Week: 20 [ 26125.818] (II) NOUVEAU(0): EDID Version: 1.3 [ 26125.818] (II) NOUVEAU(0): Digital Display Input [ 26125.818] (II) NOUVEAU(0): Max Image Size [cm]: horiz.: 47 vert.: 30 [ 26125.818] (II) NOUVEAU(0): Gamma: 2.20 [ 26125.818] (II) NOUVEAU(0): DPMS capabilities: StandBy Suspend -- [ 26125.849] (II) NOUVEAU(0): EDID for output DVI-I-2 [ 26125.849] (II) NOUVEAU(0): Manufacturer: ACR Model: d Serial#: 2442237862 [ 26125.849] (II) NOUVEAU(0): Year: 2009 Week: 19 [ 26125.849] (II) NOUVEAU(0): EDID Version: 1.3 [ 26125.849] (II) NOUVEAU(0): Digital Display Input [ 26125.849] (II) NOUVEAU(0): Max Image Size [cm]: horiz.: 47 vert.: 30 [ 26125.849] (II) NOUVEAU(0): Gamma: 2.20 [ 26125.849] (II) NOUVEAU(0): DPMS capabilities: StandBy Suspend Off
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