Re: Read remote image and hangs

[Michael Albinus]

Leo <address@hidden> writes:

> Hello Michael,

Hi,

> Some emacs packages such as preview.el from AUCTeX use image spec with a
> :file property.
>
> When this points to a remote file it causes hangs that cannot be stopped
> by C-g. This seems due to image loading is done inside BLOCK_INPUT, so
> C-g does not work until it finishes. Such hangs are very painful since
> brutally killing emacs is often the only option left.
>
> BT and BT-FULL can be found in:
>
>   http://paste.pocoo.org/show/216560/
>   http://paste.pocoo.org/show/216564/
>
> Is there something that can be done about this? Thank you.

The backtraces do not help, because they are about byte compiled code. I
need to debug the Lisp code, for example in preview.el.

Could you, please, give me a simple recipe how to provoke the error?

> Leo

Best regards, Michael.