linux-3ygy:~ # grep -E 'EE|WW' /var/log/Xorg.0.log
[ 4.086] Current Operating System: Linux linux-3ygy 3.16.7-21-desktop #1 SMP PREEMPT Tue Apr 14 07:11:37 UTC 2015 (93c1539) x86_64
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 4.086] (WW) The directory "/usr/share/fonts/misc/sgi" does not exist.
[ 4.299] (WW) Falling back to old probe method for modesetting
[ 4.299] (WW) Falling back to old probe method for fbdev
[ 4.300] (WW) Falling back to old probe method for vesa
[ 5.068] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-0 is invalid:
[ 5.068] (WW) NVIDIA(GPU-0): - The EDID has a bad checksum. The "IgnoreEDIDChecksum" X
[ 5.068] (WW) NVIDIA(GPU-0): configuration option may be used to attempt using mode
[ 5.068] (WW) NVIDIA(GPU-0): timings in this EDID in spite of this error. A corrupt
[ 5.068] (WW) NVIDIA(GPU-0): EDID may have mode timings beyond the capabilities of your
[ 5.068] (WW) NVIDIA(GPU-0): display, and could damage your hardware. Please use with
[ 5.068] (WW) NVIDIA(GPU-0): care.
[ 5.139] (WW) NVIDIA(0): DFP-0 does not have an EDID, or its EDID does not contain a
[ 5.139] (WW) NVIDIA(0): maximum image size; cannot compute DPI from DFP-0's EDID.
[ 5.304] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
[ 5.305] (WW) evdev: Microsoft SideWinder™ Mouse: ignoring absolute axes.
[ 5.307] (EE) Wacom BambooFun 4x5 stylus: Invalid type 'touch' for this device.
[ 5.350] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
[ 13.939] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-0 is invalid:
[ 13.939] (WW) NVIDIA(GPU-0): - The EDID has a bad checksum. The "IgnoreEDIDChecksum" X
[ 13.939] (WW) NVIDIA(GPU-0): configuration option may be used to attempt using mode
[ 13.939] (WW) NVIDIA(GPU-0): timings in this EDID in spite of this error. A corrupt
[ 13.939] (WW) NVIDIA(GPU-0): EDID may have mode timings beyond the capabilities of your
[ 13.939] (WW) NVIDIA(GPU-0): display, and could damage your hardware. Please use with
[ 13.939] (WW) NVIDIA(GPU-0): care.
[ 14.300] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-0 is invalid:
[ 14.300] (WW) NVIDIA(GPU-0): - The EDID has a bad checksum. The "IgnoreEDIDChecksum" X
[ 14.300] (WW) NVIDIA(GPU-0): configuration option may be used to attempt using mode
[ 14.300] (WW) NVIDIA(GPU-0): timings in this EDID in spite of this error. A corrupt
[ 14.300] (WW) NVIDIA(GPU-0): EDID may have mode timings beyond the capabilities of your
[ 14.300] (WW) NVIDIA(GPU-0): display, and could damage your hardware. Please use with
[ 14.300] (WW) NVIDIA(GPU-0): care.
[ 15.019] (WW) NVIDIA(GPU-0): The EDID read for display device DFP-0 is invalid:
[ 15.019] (WW) NVIDIA(GPU-0): - The EDID has a bad checksum. The "IgnoreEDIDChecksum" X
[ 15.019] (WW) NVIDIA(GPU-0): configuration option may be used to attempt using mode
[ 15.019] (WW) NVIDIA(GPU-0): timings in this EDID in spite of this error. A corrupt
[ 15.019] (WW) NVIDIA(GPU-0): EDID may have mode timings beyond the capabilities of your
[ 15.019] (WW) NVIDIA(GPU-0): display, and could damage your hardware. Please use with
[ 15.019] (WW) NVIDIA(GPU-0): care.