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Re: On elisp running native

From: Andrea Corallo
Subject: Re: On elisp running native
Date: Tue, 04 Feb 2020 18:39:38 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

>> From: Andrea Corallo <address@hidden>
>> Cc:
>> Date: Tue, 04 Feb 2020 11:28:19 +0000
>> By the way I've tried to rebase on latest trunk and did some boostraps
>> but I get from time to time backtraces always going through libpthread.
> Can you show an example of such a backtrace, with source file,
> function name, and line number information?
>> Does this ring any bell to anybody?  The branch the native compiler is
>> currently based on date beginning of the year.  Did something
>> fundamental changed around threading?
> Bootstrapping Emacs doesn't use threads, so I'm unsure what changes in
> threading could be relevant.
> But to answer your question, we changed slightly how thread is
> started, as side effect of fixing the code which assigns a name to a
> new thread.

Hi Eli,

the backtraces I've observed are like this:

Fatal error 11: Segmentation fault

they are not run into the debugger so there's no line number (even if
bootstrap-emacs has debug symbols).

Anyway at this point I suspect is not thread related and is likely to be
my fault.  Tonight I'll run some tests under rr to better understand
what's going on thanks.


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