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bug#22308: intermittent problem generating autoloads
From: |
Glenn Morris |
Subject: |
bug#22308: intermittent problem generating autoloads |
Date: |
Tue, 05 Jan 2016 12:39:31 -0500 |
User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Eli Zaretskii wrote:
> When that happens, do you see binary null bytes in the autoloads file?
As I've said before, I have no special access to hydra.
The output of failed builds is not kept, so we don't have that file.
I have seen similar issues twice in my own daily builds (in mid-Dec), so
the issue is not specific to hydra.
> This stopped happening for me since the undo issues were fixed on the
> emacs-25 branch. I thought that was what fixed these.
Maybe yours was a different issue (I'm surprised undo has any relevance
to autoload generation).
> I cannot debug this unless it happens again.
It's a Heisenbug. If it happens again on hydra you'll get no more
information than you have now.
Suggestions:
make autoloads many times (using bootstrap-emacs may be relevant) in a
loop till it happens again
insert anticipatory debug code into autoload.el