From: Paul Eggert <eggert@cs.ucla.edu>
To: Thomas Fitzsimmons <fitzsim@fitzsim.org>
Cc: 33174@debbugs.gnu.org
Subject: bug#33174: 27.0.50; Dump fails on GNU/Linux ppc64le
Date: Sun, 28 Oct 2018 01:05:09 -0700 [thread overview]
Message-ID: <b8d37c56-62e9-e6b7-85df-2847a980a495@cs.ucla.edu> (raw)
In-Reply-To: <ca2934d1-28ad-2042-e2c7-8d85c98e3795@cs.ucla.edu>
I built and ran Emacs master on two CentOS 7 ppc64le platforms with no trouble.
So the problem is not GNU/Linux ppc64le per se; it's something more specific to
your platform. Here are some characteristics of my builds:
Emacs master branch commit 3dd16a89bf410d77e9ddc41cbfbbd4b343928d6d
./configure --with-x-toolkit=no --with-xpm=no --with-jpeg=no --with-png=no
--with-gif=no --with-tiff=no
Both machines were CentOS 7. On both of them,
/proc/sys/kernel/randomize_va_space is 2, just as in your Debian machine.
uname -rvmpi reported the following (respectively):
3.10.0-693.11.6.el7.ppc64le #1 SMP Thu Jan 4 18:15:24 GMT 2018 ppc64le ppc64le
ppc64le
4.14.0-49.13.1.el7a.ppc64le #1 SMP Wed Sep 26 21:58:41 GMT 2018 ppc64le ppc64le
ppc64le
gcc --version reported the following (respectively):
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-28)
On the machine running 4.14.0, there was no setfattr or getfattr command;
however, ./temacs personality (0xffffffff) returned 0x40000 (i.e.,
ADDR_NO_RANDOMIZE) and so ./temacs did not reexec itself. I don't know why it
returned 0x40000; even little programs that only call personality (0xffffffff)
return 0x40000 on this platform.
next prev parent reply other threads:[~2018-10-28 8:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-27 10:35 bug#33174: 27.0.50; Dump fails on GNU/Linux ppc64le Thomas Fitzsimmons
2018-10-27 13:16 ` Thomas Fitzsimmons
2018-10-27 20:26 ` Paul Eggert
2018-10-28 8:05 ` Paul Eggert [this message]
2018-10-28 12:56 ` Thomas Fitzsimmons
2018-10-28 19:22 ` Paul Eggert
2018-10-30 1:28 ` Thomas Fitzsimmons
2018-10-30 2:16 ` Paul Eggert
2018-10-29 1:47 ` Thomas Fitzsimmons
2018-10-29 7:22 ` Paul Eggert
2018-10-30 2:44 ` Thomas Fitzsimmons
2018-10-30 5:58 ` Paul Eggert
2018-10-30 9:30 ` Thomas Fitzsimmons
2018-11-12 6:39 ` Paul Eggert
2018-11-12 17:24 ` Andy Moreton
2018-11-13 2:29 ` Thomas Fitzsimmons
2018-11-13 14:42 ` Paul Eggert
2018-11-19 3:14 ` Thomas Fitzsimmons
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