Control: reassign -1 emacs25
On Sun, May 24, 2015 at 04:53:16PM +0100, Steve McIntyre wrote:
>Package: emacs24
>Version: 24.4+1-5
>Severity: important
>
>Hi!
>
>Since the Jessie upgrade, I've been having some occasional very long
>startup delays with emacs. Using strace, I can see that emacs is
>looking in /share/info at startup, and /share on my machine is an
>auto-mounted network share on my home network. On that network, things
>work OK but when elsewhere it's been taking quite a long time for the
>autmount to timeout and fail. This is the cause of the delay.
>
>However, in looking this up I can see that there's been quite a I've
>tracked it down to quite a major change in info path handling from
>emacs23 to emacs24 in lisp/info.el and it seems quite broken, in 3
>different ways.
>
>1. In Info-default-directory-list, the code builds a large set of
> possible info dirs to scan, combining ths set of prefixes
> ("/usr/local/" "/usr/" "/opt/" "/") and suffixes ("share/" ""
> "gnu/" "gnu/lib/" "gnu/lib/emacs/" "emacs/" "lib/"
> "lib/emacs/")). This includes a whole slew of directory
> combinations that I think make no sense for an info path on a
> Debian system, including things under /share, /gnu etc.
>
>2. Why on earth is emacs checking the info path at all on startup?
> Shouldn't it wait until info functions are actually called for?
>
>3. The documentation talks about setting INFOPATH in the environment
> to over-ride the use of this default directory list, but again
> using strace I can see no change to behaviour here at all if I set
> INFOPATH
>
>I've trivially patched my own local emacs to at least remove the "/"
>from the list of prefixes - patch available if you'd like to see it...
Hi,
I can see that this same issue is still present in emacs25 - I've just
installed that and looked in strace output (see below). Any chance of
a response here, please?
...
14564 stat("/opt/gnu/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/opt/gnu/lib/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/opt/gnu/lib/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file
or directory)
14564 stat("/opt/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/opt/lib/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/opt/lib/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/share/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/info", 0x7ffd0eeb52e0) = -1 ENOENT (No such file or directory)
14564 stat("/gnu/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or directory)
14564 stat("/gnu/lib/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/gnu/lib/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
14564 stat("/lib/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or directory)
14564 stat("/lib/emacs/info", 0x7ffd0eeb5b30) = -1 ENOENT (No such file or
directory)
...
--
Steve McIntyre, Cambridge, UK. st...@einval.com
< Aardvark> I dislike C++ to start with. C++11 just seems to be
handing rope-creating factories for users to hang multiple
instances of themselves.
