From: Glenn Morris <rgm@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 33709@debbugs.gnu.org
Subject: bug#33709: Hang when compiled with --coverage and gcc 7.3
Date: Tue, 11 Dec 2018 14:46:50 -0500 [thread overview]
Message-ID: <1gr2enluc5.fsf@fencepost.gnu.org> (raw)
In-Reply-To: <838t0v279w.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 11 Dec 2018 21:27:39 +0200")
Eli Zaretskii wrote:
> Why do we use --coverage when running the test suite?
I used the pre-existing, standard hydra "coverage" job for make check.
It goes on to make this kind of report.
https://hydra.nixos.org/build/85820625/download/2/coverage/
>> never exits. It prints the usage message, then hangs.
>
> "Hangs" as in "infloops"? If so, where does it infloop?
> Or does "hangs" mean something else here?
I do give a recipe in the hope that others can investigate the issue.
Anyway, the Emacs process uses 100% CPU, apparently doing nothing.
strace shows nothing. I managed to get the following from gdb.
The only relevant link I found was
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83074
This is all above my pay grade.
#0 0x00000000007bd1b2 in gcov_do_dump ()
No symbol table info available.
#1 0x00000000007be562 in __gcov_exit ()
No symbol table info available.
#2 0x00000000007bc42c in _GLOBAL__sub_D_00100_1_set_permissions.c ()
at set-permissions.c:847
No locals.
#3 0x00007ffff7de73b7 in _dl_fini ()
from /nix/store/fg4yq8i8wd08xg3fy58l6q73cjy8hjr2-glibc-2.27/lib/ld-linux-x86-64.so.2
No symbol table info available.
#4 0x00007ffff6e2c351 in __run_exit_handlers ()
from /nix/store/fg4yq8i8wd08xg3fy58l6q73cjy8hjr2-glibc-2.27/lib/libc.so.6
No symbol table info available.
#5 0x00007ffff6e2c43a in exit ()
from /nix/store/fg4yq8i8wd08xg3fy58l6q73cjy8hjr2-glibc-2.27/lib/libc.so.6
No symbol table info available.
#6 0x00000000005768a7 in main (argc=2, argv=0x7fffffff3c58) at emacs.c:992
i = 12
stack_bottom_variable = 0xb01045 <pure+742821>
do_initial_setlocale = true
dumping = false
skip_args = 1
no_loadup = false
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x0
original_pwd = 0x0
rlim = {rlim_cur = 33554432, rlim_max = 18446744073709551615}
sockfd = 0
next prev parent reply other threads:[~2018-12-11 19:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-11 18:59 bug#33709: Hang when compiled with --coverage and gcc 7.3 Glenn Morris
2018-12-11 19:27 ` Eli Zaretskii
2018-12-11 19:46 ` Glenn Morris [this message]
2018-12-11 20:37 ` Glenn Morris
2018-12-13 19:40 ` Glenn Morris
2018-12-13 19:54 ` Eli Zaretskii
2018-12-28 4:06 ` Paul Eggert
2020-08-31 10:36 ` Stefan Kangas
2022-01-29 15:18 ` Lars Ingebrigtsen
2022-01-29 19:18 ` Glenn Morris
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1gr2enluc5.fsf@fencepost.gnu.org \
--to=rgm@gnu.org \
--cc=33709@debbugs.gnu.org \
--cc=eliz@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.