Marking as Invalid because the release is EOL is not correct. Marking as
Incomplete. Also, 18.04 is (at the time of writing) still in development, and
you should expect some breakage.
https://wiki.ubuntu.com/Bugs/Responses#Release_has_reached_End_of_Life_.28EOL.29
Reporter, is this still present on 17.10 or 16.04?
** Changed in: nvidia-graphics-drivers-340 (Ubuntu)
Status: Invalid => Incomplete
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https://bugs.launchpad.net/bugs/1671920
Title:
Mode changes fail unless some xorg.conf screen options are set
Status in nvidia-graphics-drivers-340 package in Ubuntu:
Incomplete
Bug description:
The first mode change always works, but subsequent mode changes keep
failing. Running xrandr --output DVI-I-2 --mode 1600x1200 to go back
to the native resolution or any other supported resolution fails with:
xrandr: Configure crtc 0 failed
X Error of failed request: BadValue (integer parameter out of range for
operation)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 21 (RRSetCrtcConfig)
Value in failed request: 0x0
Serial number of failed request: 38
Current serial number in output stream: 38
Mode changes from SDL 1.2 and 2.0 also fail, and a SDL 1.2 program is
killed by the error when returning from full screen.
These are changes for modes on my first monitor, which I use all the
time. I think the bug is happening because the second monitor provides
invalid EDID while turned off via the switch on the back. Everything
works if the switch on the back of the second monitor is turned on or
if an /etc/X11/xorg.conf file with sufficient options in the screen
section is in place. Ubuntu upgrades rename the xorg.conf file and
deactivate it, and I was running into the bug because of that. I'm not
yet sure which option lines in the screen section are required. I'm
attaching my normal xorg.conf file, which makes things work. I'm
calling this a bug because the second monitor shouldn't break mode
changes on the first monitor.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: nvidia-340 340.101-0ubuntu0.16.10.1
ProcVersionSignature: Ubuntu 4.8.0-41.44-generic 4.8.17
Uname: Linux 4.8.0-41-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Mar 10 15:12:33 2017
SourcePackage: nvidia-graphics-drivers-340
UpgradeStatus: Upgraded to yakkety on 2016-10-13 (148 days ago)
modified.conffile..etc.modprobe.d.nvidia-340_hybrid.conf: [deleted]
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