Date: Mon, 24 Feb 2020 16:00:06 +0100 From: Michael Osipov <1983-01-06@gmx.net> To: Miroslav Lachman <000.fbsd@quip.cz>, freebsd-ports@freebsd.org Subject: Re: Cannot build qt5-webkit with debug Message-ID: <81e73790-6b69-8038-b087-9ff75c1cf9b5@gmx.net> In-Reply-To: <86c4b386-9298-fa0a-ccc1-ec6b1e65b788@quip.cz> References: <f0a4e30f-8856-b4e6-dc9b-ad87ecf1a17a@quip.cz> <86c4b386-9298-fa0a-ccc1-ec6b1e65b788@quip.cz>
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Am 2020-02-24 um 15:50 schrieb Miroslav Lachman: > Miroslav Lachman wrote on 2020/02/24 12:48: >> Short story: >> I am trying to build qt5-webkit with WITH_DEBUG=3Dyes in make.conf on = >> our E3 Xeon machine with FreeBSD 11.3, poudriere-devel, 16GB of RAM=20 >> and 10GB of swap. >> The build always hangs, machine is unresponsive on SSH / HTTP, only=20 >> ping is responding. I track it down to build eats all memory (RAM +=20 >> Swap). >> >> Did anybody tried to build (successfully?) qt5-webkit with debug optio= n? >> >> Is there a bug in build process with WITH_DEBUG or is 16GB of RAM and = >> 10GB of swap not enough in these days? >> >> Any help appreciated. >> >> Long story: >> As I didn't found replacement for removed port lang/phantomjs nor=20 >> found how to build firefox or chromium as static binary I am trying to= =20 >> create new port of lang/phantomjs. >> I posted few weeks ago - phantomjs github is active again >> https://lists.freebsd.org/pipermail/freebsd-ports/2020-January/117556.= html=20 >> >> >> The new development version of phantomjs has different building=20 >> process, newer dependencies, can be built with current OpenSSL 1.1.1 e= tc. >> My (ugly) temporary version of this port is buildable, resulting=20 >> binary "phantomjs" can run simple "Hello world" example >> https://github.com/ariya/phantomjs/blob/master/examples/hello.js >> >> But when I try to run some real work (fetching web page) it segfaulted= =2E >=20 > [...] >=20 >> I guess I need debug symbols for qt5-webkit to debug it further but I = >> am not able to build it with WITH_DEBUG. >> >> Are there any ways / tuning options to build it without eating all=20 >> memory and swap space? >=20 > Meanwhile I added 20GB more of a swap (total of 30GB) and the build=20 > succeeded. (according to Zabbix graphs it used 22GB of swap for this bu= ild) >=20 > Phantomjs is still segfaulting and I am not able to debug it with gdb=20 > because it is interrupted by segfault to: >=20 > (root@testjail) ~/# phantomjs /tmp/phantom.2.js > PhantomJS has crashed. Please read the bug reporting guide at > <http://phantomjs.org/bug-reporting.html>; and file a bug report. > Segmentation fault >=20 >=20 > (root@testjail) ~/# gdb /usr/local/bin/phantomjs > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and yo= u=20 > are > welcome to change it and/or distribute copies of it under certain=20 > conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB.=C2=A0 Type "show warranty" for= details. > This GDB was configured as "amd64-marcel-freebsd"...(no debugging=20 > symbols found)... > (gdb) run /tmp/phantom.2.js > Starting program: /usr/local/bin/phantomjs /tmp/phantom.2.js > Segmentation fault (core dumped) >=20 >=20 > There are 2 core dumps >=20 > -rw-------=C2=A0 1 root=C2=A0 wheel=C2=A0=C2=A0 327M Feb 24 14:36 gdb.c= ore > -rw-------=C2=A0 1 root=C2=A0 wheel=C2=A0=C2=A0 4.9M Feb 24 14:36 phant= omjs.core >=20 > What more can I try? > I am not a C / C++ skilled person. All these things are new to me. You can load the coredump into GDB and say "where" [1]. It will tell you = the last frame it executed before it crashed. Make sure that your=20 objects contains debug symbols. This mostly helped me to get a grasp of=20 failures on FreeBSD and HP-UX. [1] https://stackoverflow.com/a/5115653/696632
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