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From: ludo@gnu.org (Ludovic Courtès)
To: Mike Gran <spk121@yahoo.com>
Cc: "13611@debbugs.gnu.org" <13611@debbugs.gnu.org>
Subject: bug#13611: SEGV during SMOB GC
Date: Tue, 05 Feb 2013 22:13:09 +0100	[thread overview]
Message-ID: <87a9rih3bu.fsf@gnu.org> (raw)
In-Reply-To: <1360083888.57707.YahooMailNeo@web120402.mail.ne1.yahoo.com> (Mike Gran's message of "Tue, 5 Feb 2013 09:04:48 -0800 (PST)")

Mike Gran <spk121@yahoo.com> skribis:

>>>  Is that expected that GC is sometimes called from a 
>
>>>  thread where scm_i_current_thread is null and sometimes
>>>  called from a thread where scm_i_current_thread is
>>>  not null?
>> 
>> Can you check whether your GC was built with --enable-parallel-mark?
>> 
>> I’m confident that the SMOB mark procedure is never called with null
>> scm_i_current_thread with 7.2 compiled with the default options (the
>> GnuTLS bindings rely on this, and I had not seen any such report until
>> someone tried with GC 7.3pre, which uses the parallel marker by
>> default.)
>
> It looks like fedora gc rpms do use --enable-parallel-mark
> for x86 architectures.

Then that’s the problem.

> But it looks like it has been that way for a long time.
> Since 2005 at least.

And you did not have the problem before?  That part of Guile hasn’t
changed in a long time, I think.

Ludo’.





  reply	other threads:[~2013-02-05 21:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-02 20:51 bug#13611: SEGV during SMOB GC Mike Gran
2013-02-05 10:07 ` Ludovic Courtès
2013-02-05 16:29   ` Mike Gran
2013-02-05 16:41     ` Ludovic Courtès
2013-02-05 17:04       ` Mike Gran
2013-02-05 21:13         ` Ludovic Courtès [this message]
2013-02-06  4:56           ` Mike Gran
2013-03-01 17:02             ` Ludovic Courtès
2013-03-13 12:42               ` Andy Wingo

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