the command works fine for me. What version if i3 are you running? Is
your Xorg up to date?
Also, judging from the xwd source code, maybe you can try adding
"-icmap" to the arguments.


On 11/15/2015 09:47 AM, Zenny wrote:
> Hi,
> I am having problem to take screenshot with xwd*** only in a full
> screenshot mode (but selective screenshot works). This only happens
> with i3, but not with other window managers. Please find the log
> below, fyi.
> ***PS: I am aware of other tools like scrot, maim and what not, but I
> need this specific xwd to capture a virtual screen running in a
> frambuffer with xvfb which others do not support, if you have any
> tools that can screencapture a virtual x server, let me know.
> Apprexciate that.
> USER@MACHINE:~/Downloads/xwd$ xwd -root -out i3screenshot_xwd.xwd
> X Error of failed request:  BadColor (invalid Colormap parameter)
>   Major opcode of failed request:  91 (X_QueryColors)
>   Resource id in failed request:  0x0
>   Serial number of failed request:  166
>   Current serial number in output stream:  166
> USER@MACHINE:~/Downloads/xwd$ xwd > i3screenshot_xwd_frame.xwd
> USER@MACHINE:~/Downloads/xwd$ ls -la i3screenshot*.xwd
> -rw-rw-r-- 1 USER USER 3995469 Nov 15 08:33 i3screenshot_xwd_frame.xwd
> -rw-rw-r-- 1 USER USER       0 Nov 15 08:33 i3screenshot_xwd.xwd
> Any inputs appreciated!
> Cheers.
> /z

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