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Re: debugging core dump

From: Phillip Lord
Subject: Re: debugging core dump
Date: Tue, 11 Apr 2017 18:11:10 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>> I have both emacs-25 head and master building. I have also had
>> emacs-25.1 building on other machines. Not sure how to debug this;
>> advice welcome.
> Here's what I do, in those cases:
>    M-x cd .../emacs/src
>    M-x gud-gdb RET gdb ... temacs RET
>    b maybe_call_debugger
>    r -batch  -l loadup dump
>    [...crash...]
>    bt
> the `r` line may need to be adjusted depending on whether the crash
> happens for the generation of src/bootstrap-emacs or src/emacs: I just
> copy&paste it from the failed build.

I bisected instead. It's the "-no-pie" problem that Paul fixed in
99892eeec. Guess this is the first time I've tried to compile other than
head on this version.


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