Created attachment 142208 [details]
attachment-19038-0.html

it breaks inside of Qt, on realloc.
it would be extremely userful to see your memory  stats because that looks
like a memory exhaustion.

On Wed, Oct 6, 2021 at 2:21 PM David Kredba <bugzilla_noreply@kde.org>
wrote:

> https://bugs.kde.org/show_bug.cgi?id=443397
>
>             Bug ID: 443397
>            Summary: Konsole crashes during Firefox PGO+LTO compilation
>            Product: konsole
>            Version: 21.08.1
>           Platform: Gentoo Packages
>                 OS: Linux
>             Status: REPORTED
>           Severity: normal
>           Priority: NOR
>          Component: general
>           Assignee: konsole-devel@kde.org
>           Reporter: nheghathivhistha@gmail.com
>   Target Milestone: ---
>
> SUMMARY
> The Konsole version 21.08.1 crashes during Firefox PGO+LTO compilation.
> It disappears with signal Aborted.
>
> STEPS TO REPRODUCE
> 1. Compile Gentoo's current Firefox package with lto and pgo use flags
> enabled
> 2.
> 3.
>
> OBSERVED RESULT
> Konsole crashes with Aborted signal.
>
> EXPECTED RESULT
> Konsole not crashes.
>
> SOFTWARE/OS VERSIONS
> Linux/KDE Plasma:
>
> KDE Plasma Version: 5.22.5
> KDE Frameworks Version: 5.86.0
> Qt Version: 5.15.2
>
> ADDITIONAL INFORMATION
> After crash the Firefox merge can be started again using ebuild merge
> command
> and finishes without its crash. Tested with older Firefox builds too.
>
> Application: Konsole (konsole), signal: Aborted
>
> [KCrash Handler]
> #4  0x00007f815ec8429e in raise () from /lib64/libc.so.6
> #5  0x00007f815ec6e2b6 in abort () from /lib64/libc.so.6
> #6  0x00007f815ee7192e in ?? () from
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libstdc++.so.6
> #7  0x00007f815ee7df2a in ?? () from
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libstdc++.so.6
> #8  0x00007f815ee7df95 in std::terminate() () from
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libstdc++.so.6
> #9  0x00007f815ee7e248 in __cxa_throw () from
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/libstdc++.so.6
> #10 0x00007f815f07cf9e in qBadAlloc () at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/global/qglobal.cpp:3338
> #11 0x00007f815f07f9aa in QListData::realloc_grow (this=<optimized out>,
> growth=<optimized out>) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/tools/qlist.cpp:171
> #12 0x00007f815f0f42da in QListData::append (this=this@entry
> =0x55a68aeaf008,
> n=n@entry=1) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/tools/qlist.cpp:196
> #13 0x00007f815f0f430a in QListData::append (this=this@entry=0x55a68aeaf008)
> at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/tools/qlist.cpp:206
> #14 0x00007f816049798c in QList<Konsole::Character>::append (t=...,
> this=0x55a68aeaf008) at /usr/include/qt5/QtCore/qlist.h:632
> #15 QList<Konsole::Character>::append (t=..., this=0x55a68aeaf008) at
> /usr/include/qt5/QtCore/qlist.h:620
> #16 QList<Konsole::Character>::push_back (t=..., this=0x55a68aeaf008) at
> /usr/include/qt5/QtCore/qlist.h:377
> #17 std::back_insert_iterator<QList<Konsole::Character> >::operator=
> (__value=..., this=<synthetic pointer>) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_iterator.h:674
> #18 std::__copy_move<false, false,
> std::random_access_iterator_tag>::__copy_m<Konsole::Character const*,
> std::back_insert_iterator<QList<Konsole::Character> > > (__result=...,
> __last=<optimized out>, __first=0x55a720cc2408) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_algobase.h:385
> #19 std::__copy_move_a2<false, Konsole::Character const*,
> std::back_insert_iterator<QList<Konsole::Character> > > (__result=...,
> __last=<optimized out>, __first=<optimized out>) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_algobase.h:495
> #20 std::__copy_move_a1<false, Konsole::Character const*,
> std::back_insert_iterator<QList<Konsole::Character> > > (__result=...,
> __last=<optimized out>, __first=<optimized out>) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_algobase.h:522
> #21 std::__copy_move_a<false, Konsole::Character const*,
> std::back_insert_iterator<QList<Konsole::Character> > > (__result=...,
> __last=<optimized out>, __first=<optimized out>) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_algobase.h:529
> #22 std::copy<Konsole::Character const*,
> std::back_insert_iterator<QList<Konsole::Character> > > (__result=...,
> __last=<optimized out>, __first=<optimized out>) at
>
> /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.0/include/g++-v11/bits/stl_algobase.h:620
> #23 Konsole::CompactHistoryScroll::addCells (this=0x55a68aeaeff0,
> a=<optimized
> out>, count=<optimized out>) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/history/compact/CompactHistoryScroll.cpp:48
> #24 0x00007f816046d880 in Konsole::HistoryScroll::addCellsVector
> (cells=...,
> this=<optimized out>) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/history/HistoryScroll.h:50
> #25 Konsole::Screen::addHistLine (this=this@entry=0x55a68aeac680) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Screen.cpp:1640
> #26 0x00007f816046f4ba in Konsole::Screen::scrollUp (this=0x55a68aeac680,
> n=n@entry=1) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Screen.cpp:1002
> #27 0x00007f816046f4fa in Konsole::Screen::index
> (this=this@entry=0x55a68aeac680) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Screen.cpp:196
> #28 0x00007f816046f512 in Konsole::Screen::nextLine
> (this=this@entry=0x55a68aeac680) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Screen.cpp:216
> #29 0x00007f816047131f in Konsole::Screen::displayCharacter
> (this=0x55a68aeac680, c=109) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Screen.cpp:926
> #30 0x00007f8160488ae0 in Konsole::Vt102Emulation::receiveChar
> (this=0x55a68b485f00, cc=<optimized out>) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Vt102Emulation.cpp:478
> #31 0x00007f816045d1f3 in Konsole::Emulation::receiveData
> (this=0x55a68b485f00,
> text=0x55a74060e0e8
> "fox_build/dist/include/mozilla/MozPromise.h:485:18:\033[m\033[K
> \033[01;35m\033[Kwarning: \033[m\033[Ksource locations for function
>
> '\033[01m\033[Kmozilla::MozPromise<mozilla::ipc::Endpoint<mozilla::extensions::PStreamFilter"...,
> length=4095) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Emulation.cpp:241
> #32 0x00007f815f2a11b6 in QtPrivate::QSlotObjectBase::call
> (a=0x7fffd1b773e0,
> r=0x55a68aeae360, this=0x55a68b197690) at
>
> ../../include/QtCore/../../../qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobjectdefs_impl.h:398
> #33 doActivate<false> (sender=0x55a68ae95130, signal_index=17,
> argv=0x7fffd1b773e0) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3886
> #34 0x00007f815f29af17 in QMetaObject::activate
> (sender=sender@entry=0x55a68ae95130, m=m@entry=0x7f81605474e0
> <Konsole::Pty::staticMetaObject>,
> local_signal_index=local_signal_index@entry=0, argv=argv@entry
> =0x7fffd1b773e0)
> at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3946
> #35 0x00007f816044e9bd in Konsole::Pty::receivedData
> (this=this@entry=0x55a68ae95130, _t1=<optimized out>, _t2=<optimized
> out>) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1_build/src/konsoleprivate_autogen/EWIEGA46WW/moc_Pty.cpp:154
> #36 0x00007f8160467102 in Konsole::Pty::dataReceived (this=0x55a68ae95130)
> at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/Pty.cpp:78
> #37 0x00007f815f2a11b6 in QtPrivate::QSlotObjectBase::call
> (a=0x7fffd1b774c0,
> r=0x55a68ae95130, this=0x55a68afcdf30) at
>
> ../../include/QtCore/../../../qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobjectdefs_impl.h:398
> #38 doActivate<false> (sender=0x55a68aff1120, signal_index=3,
> argv=0x7fffd1b774c0) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3886
> #39 0x00007f815f29af17 in QMetaObject::activate
> (sender=sender@entry=0x55a68aff1120, m=m@entry=0x7f815f53c980
> <QIODevice::staticMetaObject>, local_signal_index=local_signal_index@entry
> =0,
> argv=argv@entry=0x0) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3946
> #40 0x00007f815f1bbc60 in QIODevice::readyRead (this=this@entry
> =0x55a68aff1120)
> at .moc/moc_qiodevice.cpp:190
> #41 0x00007f815e75dfb4 in KPtyDevicePrivate::_k_canRead
> (this=0x55a68ae435a0)
> at
>
> /var/tmp/portage/kde-frameworks/kpty-5.86.0/work/kpty-5.86.0/src/kptydevice.cpp:291
> #42 0x00007f815e75e409 in KPtyDevice::qt_static_metacall
> (_c=QMetaObject::InvokeMetaMethod, _a=0x7fffd1b77660, _id=<optimized out>,
> _o=<optimized out>) at
>
> /var/tmp/portage/kde-frameworks/kpty-5.86.0/work/kpty-5.86.0_build/src/KF5Pty_autogen/include/moc_kptydevice.cpp:84
> #43 KPtyDevice::qt_static_metacall (_o=<optimized out>, _c=<optimized out>,
> _id=<optimized out>, _a=0x7fffd1b77660) at
>
> /var/tmp/portage/kde-frameworks/kpty-5.86.0/work/kpty-5.86.0_build/src/KF5Pty_autogen/include/moc_kptydevice.cpp:77
> #44 0x00007f815f2a0f4e in doActivate<false> (sender=0x55a68ae7e740,
> signal_index=5, argv=0x7fffd1b77660) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3898
> #45 0x00007f815f29af17 in QMetaObject::activate
> (sender=sender@entry=0x55a68ae7e740, m=m@entry=0x7f815f5401c0
> <QSocketNotifier::staticMetaObject>,
> local_signal_index=local_signal_index@entry=2, argv=argv@entry
> =0x7fffd1b77660)
> at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:3946
> #46 0x00007f815f2a48bb in QSocketNotifier::activated
> (this=this@entry=0x55a68ae7e740, _t1=<optimized out>, _t2=...) at
> .moc/moc_qsocketnotifier.cpp:185
> #47 0x00007f815f2a5075 in QSocketNotifier::event (this=0x55a68ae7e740,
> e=0x7fffd1b77750) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qsocketnotifier.h:115
> #48 0x00007f815fd0296f in QApplicationPrivate::notify_helper
> (this=<optimized
> out>, receiver=0x55a68ae7e740, e=0x7fffd1b77750) at
>
> /var/tmp/portage/dev-qt/qtwidgets-5.15.2-r11/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/widgets/kernel/qapplication.cpp:3632
> #49 0x00007f815f26d828 in QCoreApplication::notifyInternal2
> (receiver=0x55a68ae7e740, event=0x7fffd1b77750) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1064
> #50 0x00007f815f2c039e in socketNotifierSourceDispatch
> (source=0x55a68aada950)
> at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventdispatcher_glib.cpp:107
> #51 0x00007f815d5b213b in g_main_context_dispatch () from
> /usr/lib64/libglib-2.0.so.0
> #52 0x00007f815d5b23f8 in ?? () from /usr/lib64/libglib-2.0.so.0
> #53 0x00007f815d5b24af in g_main_context_iteration () from
> /usr/lib64/libglib-2.0.so.0
> #54 0x00007f815f2bf934 in QEventDispatcherGlib::processEvents
> (this=0x55a68aad1df0, flags=...) at
>
> /var/tmp/portage/dev-qt/qtcore-5.15.2-r10/work/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventdispatcher_glib.cpp:423
> #55 0x00007f815f26c21b in QEventLoop::exec (this=this@entry
> =0x7fffd1b77960,
> flags=..., flags@entry=...) at
>
> ../../include/QtCore/../../../qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/global/qflags.h:69
> #56 0x00007f815f27484d in QCoreApplication::exec () at
>
> ../../include/QtCore/../../../qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/global/qflags.h:121
> #57 0x000055a689c4bb54 in main (argc=<optimized out>, argv=<optimized
> out>) at
>
> /var/tmp/portage/kde-apps/konsole-21.08.1-r1/work/konsole-21.08.1/src/main.cpp:220
> [Inferior 1 (process 6725) detached]
>
>
> The last command written in the build.log file is:
> /usr/bin/x86_64-pc-linux-gnu-g++ -o Unified_cpp_netwerk_base4.o -c -flto
> -flifetime-dse=1
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/dist/stl_wrappers
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/dist/system_wrappers
> -include
>
> /var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/config/gcc_hidden.h
> -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong -DNDEBUG=1
> -DTRIMMED=1 -DOS_POSIX=1 -DOS_LINUX=1 -DMOZ_HAS_MOZGLUE
> -DMOZILLA_INTERNAL_API
> -DIMPL_LIBXUL -DSTATIC_EXPORTABLE_JS_API
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/netwerk/base
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/netwerk/base
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/ipc/ipdl/_ipdlheaders
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/ipc/chromium/src
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/docshell/base
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/dom/base
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/netwerk/protocol/http
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/netwerk/socket
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/netwerk/url-classifier
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox-93.0/security/manager/ssl
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/dist/include
> -I/usr/include/nspr -I/usr/include/nss -I/usr/include/nspr
>
> -I/var/tmp/portage/www-client/firefox-93.0/work/firefox_build/dist/include/nss
> -I/usr/include/pixman-1 -DMOZILLA_CLIENT -include
>
> /var/tmp/portage/www-client/firefox-93.0/work/firefox_build/mozilla-config.h
> -Wall -Wempty-body -Wignored-qualifiers -Wpointer-arith -Wsign-compare
> -Wtype-limits -Wunreachable-code -Wno-invalid-offsetof -Wc++2a-compat
> -Wduplicated-cond -Wimplicit-fallthrough -Wno-error=maybe-uninitialized
> -Wno-error=deprecated-declarations -Wno-error=array-bounds
> -Wno-error=coverage-mismatch -Wno-error=free-nonheap-object
> -Wno-multistatement-macros -Wno-error=class-memaccess
> -Wno-error=deprecated-copy -Wno-error=unused-but-set-variable -Wformat
> -Wformat-security -Wformat-overflow=2 -Wno-psabi -fno-sized-deallocation
> -fno-aligned-new -pipe -march=znver2 -fno-tree-loop-vectorize
> -fno-exceptions
> -fno-strict-aliasing -fPIC -fno-rtti -ffunction-sections -fdata-sections
> -fno-exceptions -fno-math-errno -pthread -pipe -O3 -fomit-frame-pointer
> -funwind-tables -Wno-error=shadow -fprofile-use -fprofile-correction
> -Wcoverage-mismatch -MD -MP -MF .deps/Unified_cpp_netwerk_base4.o.pp
> -fdiagnostics-color  Unified_cpp_netwerk_base4.cpp
>
> --
> You are receiving this mail because:
> You are the assignee for the bug.

Thank you, that is possible, I am running it inside TMPFS:
tmpfs /var/tmp/portage tmpfs       size=27G,uid=portage,gid=portage,mode=775,noatime       0 0
Total RAM is 64 GB.
I am sorry, this possibility not came in my mind.
I will test it again watching memory stats.

This matches what I saw when I tries compiling firefox, it takes a lot of memory, I had to decrease the number of parallel make jobs.

It seems that it was rollback data eating all the available RAM. I don't have a swap enabled to protect the SSD (M.2) drive.
I was going down from -flto=16 to 8 and then 4 and it failed all.
Then I saw in 'top' that konsole process started to eat 0.1 GB of RAM each few seconds and went to its Settings where I set the number of rollback lines from 835240 to 335240. Now it uses 4.5 gb in the top's RES column and it is not growing.
(It failed before the LTO-WPA and LTO-LTRANS phases all the time.)

I am going to test back the -flto=16.

I am closing this case as RESOLVEDD/NOT A BUG.