From maechler at stat.math.ethz.ch  Thu Jul 16 18:52:00 2009
From: maechler at stat.math.ethz.ch (Martin Maechler)
Date: Thu, 16 Jul 2009 18:52:00 +0200
Subject: [Rd] ... gctorture(TRUE) segfault etc
In-Reply-To: <19039.19863.794390.756066@lynne.math.ethz.ch>
References: <20090715013440.v7a1c8r4g0cgksw8@webmail.fhcrc.org>
	<4A5E6F74.30002@fhcrc.org>
	<19039.19863.794390.756066@lynne.math.ethz.ch>
Message-ID: <19039.23216.914387.329760@lynne.math.ethz.ch>

>>>>> "MM" == Martin Maechler <maechler at stat.math.ethz.ch>
>>>>>     on Thu, 16 Jul 2009 17:56:07 +0200 writes:


...............

    HP> This seems to have been around for a while (I get this with R 2.10,
    HP> 2.9 and 2.8). Note that I don't get this with an unnamed vector.

    HP> This problem affects the methods package. I found it while
    HP> troubleshooting the "Protection stack overflow" I reported earlier
    HP> (see https://stat.ethz.ch/pipermail/r-devel/2009-July/054030.html)
    HP> but I can't tell yet whether the 2 issues are related or not.

    HP> It would be nice to see some reaction from the R developers
    HP> about these issues. Thanks in advance!

    MM> Salut Herv?,
    MM> so here comes "some reaction" ..

    MM> {You know we had  "useR! 2009" in Rennes, a big success I think,
    MM> and then a very nice "DSC 2009" in Copenhagen, so many R
    MM> developers were either attending or then were vacationing / too
    MM> busy to attend ==> all reasons for not getting quick replies}

    MM> Indeed, you have uncovered quite a nasty bug, and R core will
    MM> definitely address it sooner or later.
    MM> However, I'm not the one doing that for the time being,
    MM> as garbage collection and the protection stack is not my home
    MM> ground.

hmm, ... actually I was able to fix this bug in spite of all I
said...

but when I tried to commit my fix, I saw that Duncan Murdoch 
has been faster ...

Regards,
Martin



[Rd] ... gctorture(TRUE) segfault etc
Martin Maechler