emacs-gif-screencast

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I am getting the following error without any output, any thought? I am using Emacs 27.1 with Arch linux.

Process 'convert' exited abnormally with code 1

I do a see list of pngs in git-screencast--frames:

...
  . "/tmp/emacs1001/screen-2020-12-23-10:51:57-061.png")
 ((959223590773679 . 8192000000000)
  . "/tmp/emacs1001/screen-2020-12-23-10:51:59-997.png")
 ((205805521225507 . 1638400000000)
  . "/tmp/emacs1001/screen-2020-12-23-10:52:08-518.png"))

Hmmm... Hard to guess.

Are the .png files actually present in /tmp?

If not, can you try running convert over a dummy image, e.g.

convert my-image.png new-file.png

?

I was getting that error when trying to record longer gifs. The *gif-screencast-log* shows what the problem is,

convert: cache resources exhausted ....
convert: memory allocation failed ....

The solution that worked for me is to increase the memory allocated by convert, according to this SO answer:

Find the policy.xml with find / -name "policy.xml", something like /etc/ImageMagick-6/policy.xml

and change <policy domain="resource" name="disk" value="1GiB"/> to 
<policy domain="resource" name="disk" value="8GiB"/>