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dired+ causes pdf-tools to freeze emacs on large pdfs (alien.top)

submitted 1 year ago by jcdix@alien.top to c/emacs

12 comments fedilink hide all child comments

I use pdf-tools for reading and recently started using bookmark+ and dired+ for navigating. Unfortunately these two great packages seems to conflict.

One of the issues I noticed was that the bookmark+ command for bookmarking a pdf location in a pdf-tools buffer didn't work; it gave an empty buffer warning. Turns out bookmark+ creator Drew Adams had already suggested a workaround which I discovered here: https://emacs.stackexchange.com/questions/72786/bookmark-plus-and-pdf-tools-pdf-view-error

So that solved or at least patched that issue. But then I noticed that with dired+ installed and any fairly large pdf opened in pdf-tools, emacs will freeze if you attempt to do dired-jump or helm-find-files. Dired-jump without dired+ is not affected by the size of the pdf at all and just opens the underlying directory immediately. But with dired+ anything above about 1mb or so hangs it for quite a while, anything around 10mb or more just freezes it for minutes on end to the point that unless you want to go make yourself lunch and coffee, you will have to force kill emacs to keep working.

As a noob, non-techie, non-developer, I just wanted to ask, what is the right way of asking about possibly getting this issue fixed, because I love these two packages and would love to have both in working order, but obviously don't have the coding know how to do it myself. Of course if anybody knows of a fix that's already out there for this issue, I'd love to know about that as well.

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[–] 00-11@alien.top 1 points 1 year ago (6 children)

d in the debugger steps into evaluating the current sexp to be evaluated.

c steps past it, i.e., it evaluates it without digging into the steps of evaluating it.

So you can use c to skip over steps that you don't want to get into in to detail, and use d otherwise.

[–] jcdix@alien.top 1 points 1 year ago (5 children)

I'll try that. Thanks. I just tried your suggestion of emacs -Q and that revealed something interesting, which is that with just pdf-tools and dired+ loaded, jumping to dired works fine. But then I installed and activated helm and then the problem of freezing appears. So it seems to have something to do with using these 3 packages together.

[–] 00-11@alien.top 1 points 1 year ago (4 children)

Keep investigating. (I assume the problem doesn't arise with just Helm and PDF-tools (i.e., without Dired+).)

[–] jcdix@alien.top 1 points 1 year ago

I will keep at it. No, I've used helm and pdf-tools together for years, and I only had the problem just recently when I started using dired+. Anyway, I'll do that "diredp-send-bug-report" you suggested as follow up, and maybe even open an issue with helm. I recently reported a helm issue and they literally fixed it by the next day. I was so happily surprised that I am now a patreon supporter!

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