Segmentation Fault #5152

Waples · 2019-12-16T19:30:14Z

Version info (see :version):

Python 3.8.0

florian  a285  ~  $  qutebrowser --version
Fatal Python error: Segmentation fault

Current thread 0x00007f6f0fb82740 (most recent call first):
  File "/usr/lib/python3.8/site-packages/qutebrowser/app.py", line 828 in __init__
  File "/usr/lib/python3.8/site-packages/qutebrowser/app.py", line 105 in run
  File "/usr/lib/python3.8/site-packages/qutebrowser/qutebrowser.py", line 200 in main
  File "/usr/bin/qutebrowser", line 11 in <module>
Segmentation fault (core dumped)

Does the bug happen if you start with --temp-basedir?:
Yes

Description
Cannot start qb, recieve a segmentation fault.

The text was updated successfully, but these errors were encountered:

The-Compiler · 2019-12-16T19:31:10Z

Sounds like some issue specific to your system. What distribution are you on? How did you install qutebrowser, Qt and Python?

Waples · 2019-12-16T21:18:26Z

info:

Name            : qutebrowser
Version         : 1.8.3-1
Description     : A keyboard-driven, vim-like browser based on PyQt5
Architecture    : any
URL             : https://www.qutebrowser.org/
Licenses        : GPL
Groups          : None
Provides        : None
Depends On      : python-attrs  python-jinja  python-pygments  python-pypeg2  python-pyqt5  python-yaml  qt5-base  python-pyqtwebengine
Optional Deps   : gst-libav: media playback with qt5-webkit backend
                  gst-plugins-base: media playback with qt5-webkit backend [installed]
                  gst-plugins-good: media playback with qt5-webkit backend
                  gst-plugins-bad: media playback with qt5-webkit backend
                  gst-plugins-ugly: media playback with qt5-webkit backend
                  pdfjs: displaying PDF in-browser
                  qt5-webkit: alternative backend [installed]
Required By     : None
Optional For    : None
Conflicts With  : None
Replaces        : None
Installed Size  : 7.49 MiB
Packager        : Lukas Fleischer <lfleischer@archlinux.org>
Build Date      : Fri 06 Dec 2019 08:12:45 PM CET
Install Date    : Mon 16 Dec 2019 08:23:31 PM CET
Install Reason  : Explicitly installed
Install Script  : No
Validated By    : Signature

Linux a285 5.4.3-arch1-1 #1 SMP PREEMPT Fri, 13 Dec 2019 09:39:02 +0000 x86_64 GNU/Linux

Waples · 2019-12-16T21:19:06Z

via pacman

The-Compiler · 2019-12-17T20:55:32Z

Do other Qt applications (say, KDE Falkon) segfault as well?
Can you show the output when starting with --debug?
Can you please get a C++ stacktrace (without debugging symbols, as they are currently outdated)
Can you show pacman -Qi qt5-base qt5-webengine python-pyqt5 python-pyqtwebengine please?

Waples · 2019-12-18T12:01:23Z

last few lines of startup:

12:56:53 DEBUG    init       app:__init__:827 Qt arguments: ['/usr/lib/python3.8/site-packages/qutebrowser/__main__.py', '--ppapi-widevine-path=/usr/lib/qt/plugins/ppapi/libwidevinecdmadapter.so', '--reduced-referrer-granularity'], based on Namespace(backend=None, basedir=None, color=True, command=[], config_py=None, debug=True, debug_flags=[], enable_webengine_inspector=False, force_color=False, json_args=None, json_logging=False, logfilter=None, loglevel='info', loglines=2000, no_err_windows=False, nowindow=False, override_restore=False, qt_arg=None, qt_flag=None, session=None, target=None, temp_basedir=False, temp_basedir_restarted=None, temp_settings=[], url=[], version=False)
[New Thread 0x7fffdce79700 (LWP 51586)]

Thread 1 "python3.8" received signal SIGSEGV, Segmentation fault.
0x00007fffd60ecdb7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so

gdb.txt

#0  0x00007fffd60ecdb7 in  () at /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#1  0x00007fffd614584d in  () at /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#2  0x00007fffd5c2200e in  () at /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#3  0x00007fffd5c224c6 in  () at /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#4  0x00007fffd5c25dd9 in eglInitialize () at /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#5  0x00007fffddb85925 in  () at /usr/lib/qt/plugins/xcbglintegrations/libqxcb-egl-integration.so
#6  0x00007fffdda29291 in QXcbConnection::glIntegration() const () at /usr/lib/libQt5XcbQpa.so.5
#7  0x00007fffdda2bf56 in QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext*) const () at /usr/lib/libQt5XcbQpa.so.5
#8  0x00007ffff3136e0e in QOpenGLContext::create() () at /usr/lib/libQt5Gui.so.5
#9  0x00007fffea0f17f6 in QtWebEngineCore::initialize() () at /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007ffff6b13f0f in QCoreApplicationPrivate::init() () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff30f1b30 in QGuiApplicationPrivate::init() () at /usr/lib/libQt5Gui.so.5
#12 0x00007ffff371b03a in QApplicationPrivate::init() () at /usr/lib/libQt5Widgets.so.5
#13 0x00007ffff3ff89fa in  () at /usr/lib/python3.8/site-packages/PyQt5/QtWidgets.abi3.so
#14 0x00007ffff3ff8ada in  () at /usr/lib/python3.8/site-packages/PyQt5/QtWidgets.abi3.so
#15 0x00007ffff6db3660 in  () at /usr/lib/python3.8/site-packages/PyQt5/sip.cpython-38-x86_64-linux-gnu.so
#16 0x00007ffff7c00e4b in  () at /usr/lib/libpython3.8.so.1.0
#17 0x00007ffff7b82400 in _PyObject_MakeTpCall () at /usr/lib/libpython3.8.so.1.0
#18 0x00007ffff7bebf1a in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#19 0x00007ffff7bb75e8 in _PyEval_EvalCodeWithName () at /usr/lib/libpython3.8.so.1.0
#20 0x00007ffff7bb8d52 in _PyObject_FastCallDict () at /usr/lib/libpython3.8.so.1.0
#21 0x00007ffff7bb8ef4 in _PyObject_Call_Prepend () at /usr/lib/libpython3.8.so.1.0
#22 0x00007ffff7bb8fe5 in  () at /usr/lib/libpython3.8.so.1.0
#23 0x00007ffff7b82384 in _PyObject_MakeTpCall () at /usr/lib/libpython3.8.so.1.0
#24 0x00007ffff7beba42 in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#25 0x00007ffff7bb7f0b in _PyFunction_Vectorcall () at /usr/lib/libpython3.8.so.1.0
#26 0x00007ffff7bebaad in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#27 0x00007ffff7bb7f0b in _PyFunction_Vectorcall () at /usr/lib/libpython3.8.so.1.0
#28 0x00007ffff7bebaad in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#29 0x00007ffff7bb71ea in _PyEval_EvalCodeWithName () at /usr/lib/libpython3.8.so.1.0
#30 0x00007ffff7bb7e0a in PyEval_EvalCodeEx () at /usr/lib/libpython3.8.so.1.0
#31 0x00007ffff7c43a9c in PyEval_EvalCode () at /usr/lib/libpython3.8.so.1.0
#32 0x00007ffff7c7fa23 in  () at /usr/lib/libpython3.8.so.1.0
#33 0x00007ffff7b88957 in  () at /usr/lib/libpython3.8.so.1.0
#34 0x00007ffff7be761c in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#35 0x00007ffff7bb71ea in _PyEval_EvalCodeWithName () at /usr/lib/libpython3.8.so.1.0
#36 0x00007ffff7bb7f9f in _PyFunction_Vectorcall () at /usr/lib/libpython3.8.so.1.0
#37 0x00007ffff7be761c in _PyEval_EvalFrameDefault () at /usr/lib/libpython3.8.so.1.0
#38 0x00007ffff7bb71ea in _PyEval_EvalCodeWithName () at /usr/lib/libpython3.8.so.1.0
#39 0x00007ffff7bb7f9f in _PyFunction_Vectorcall () at /usr/lib/libpython3.8.so.1.0
#40 0x00007ffff7b97f11 in PyVectorcall_Call () at /usr/lib/libpython3.8.so.1.0
#41 0x00007ffff7c814c7 in  () at /usr/lib/libpython3.8.so.1.0
#42 0x00007ffff7c8215a in Py_RunMain () at /usr/lib/libpython3.8.so.1.0
#43 0x00007ffff7c82649 in Py_BytesMain () at /usr/lib/libpython3.8.so.1.0
#44 0x00007ffff7df4153 in __libc_start_main () at /usr/lib/libc.so.6
#45 0x000055555555505e in _start ()

Waples · 2019-12-18T12:03:31Z

�[0;1mVersion         :�[0m 5.13.2-3
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Waples · 2019-12-18T12:25:37Z

Time: Wed Dec 18 13:25:10 2019
Qt version: 5.13.2 (compiled with 5.13.2)
Falkon version: 3.1.0
Rendering engine: QtWebEngine

============== BACKTRACE ==============
#0: falkon(+0x3b73) [0x55c6f4432b73]
#1: /usr/lib/libc.so.6(+0x3bfb0) [0x7efca6f12fb0]
#2: /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so(+0x167cdb7) [0x7efc8a0ecdb7]
#3: /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so(+0x16d584d) [0x7efc8a14584d]
#4: /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so(+0x11b200e) [0x7efc89c2200e]
#5: /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so(+0x11b24c6) [0x7efc89c224c6]
#6: /usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so(eglInitialize+0xa9) [0x7efc89c25dd9]
#7: /usr/lib/qt/plugins/xcbglintegrations/libqxcb-egl-integration.so(+0x7925) [0x7efc94808925]
#8: /usr/lib/libQt5XcbQpa.so.5(_ZNK14QXcbConnection13glIntegrationEv+0x1c1) [0x7efc946ac291]
#9: /usr/lib/libQt5XcbQpa.so.5(_ZNK15QXcbIntegration27createPlatformOpenGLContextEP14QOpenGLContext+0x36) [0x7efc946aef56]
#10: /usr/lib/libQt5Gui.so.5(_ZN14QOpenGLContext6createEv+0x2e) [0x7efc9e3e3e0e]
#11: /usr/lib/libQt5WebEngineCore.so.5(_ZN15QtWebEngineCore10initializeEv+0xb6) [0x7efca50bd7f6]
#12: /usr/lib/libQt5Core.so.5(_ZN23QCoreApplicationPrivate4initEv+0x50f) [0x7efca751ef0f]
#13: /usr/lib/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate4initEv+0x30) [0x7efc9e39eb30]
#14: /usr/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate4initEv+0xa) [0x7efca78f503a]
#15: /usr/lib/libFalkonPrivate.so.3(_ZN19QtSingleApplicationC1ERiPPcb+0x21) [0x7efca7f36081]
#16: /usr/lib/libFalkonPrivate.so.3(_ZN15MainApplicationC1ERiPPc+0x3d) [0x7efca7f6d17d]
#17: falkon(+0x32f6) [0x55c6f44322f6]
#18: /usr/lib/libc.so.6(__libc_start_main+0xf3) [0x7efca6efe153]
#19: falkon(_start+0x2e) [0x55c6f443266e]

falkon crashes aswel

The-Compiler · 2019-12-18T12:50:36Z

Looks like a crash in your graphic driver (amdgpu_dri.so). If you recently upgraded packages but didn't reboot yet, it might be good to try that - other than that, I'm afraid I have no idea how to debug this.

Waples · 2019-12-18T13:12:56Z

You were correct, I've reinstalled amdgpu(-pro) from the AUR and rebooted; works again. Thanks!

franzhuang · 2021-10-06T12:05:08Z

Segmentation fault (core dumped) qutebrowser

I have the same issue.Somehow I fixed it.
In my case ,I use awesome wm on pop os,I tried to adjust backlight, but xbacklight command is not working.
Someone said to add /etc/X11/xorg.conf with content below:

Section "Device"
    Identifier  "Intel Graphics" 
    Driver      "intel"
    Option      "Backlight"  "intel_backlight"
EndSection

By adding that config file, I can use xbacklight but qutebrowser show me core dumped error.
After removing xorg.conf, my qutebrowser is working again.

The-Compiler · 2021-10-06T12:14:26Z

@franzhuang When exactly does the crash happen? Can you reproduce it with other QtWebEngine-based browsers such as KDE Falkon?

franzhuang · 2021-10-06T12:41:55Z

It happened when I add xorg.conf and logout , re-login to awesome ( the same issue on i3).
I just installed falkon and tried to see what happen. Yes falkon core dumped. Error message as follows:

QWebEngineUrlScheme::registerScheme: Too late to register scheme "falkon"
QWebEngineUrlScheme::registerScheme: Too late to register scheme "extension"
Please register the custom scheme 'falkon' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Please register the custom scheme 'extension' via QWebEngineUrlScheme::registerScheme() before installing the custom scheme handler.
Falkon: 1 extensions loaded
Falkon: Crashed :( Saving backtrace in $HOME/.config/falkon/crashlog ...
Backtrace successfully saved in $HOME/.config/falkon/crashlog/Crash-2021-10-06T20:36:38.txt
[1] 28600 abort (core dumped) falkon

The-Compiler · 2021-10-06T12:45:49Z

Looks like an issue in Qt or somewhere else then, not in qutebrowser. The file printed by Falkon ($HOME/.config/falkon/crashlog/Crash-2021-10-06T20:36:38.txt) might have more information.

franzhuang · 2021-10-06T13:05:19Z

Crashlog here:

Qt version: 5.12.8 (compiled with 5.12.5)
Falkon version: 3.1.0
Rendering engine: QtWebEngine

============== BACKTRACE ==============
#0: falkon(+0x46fa) [0x5621ed1676fa]
#1: /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7f507e0e5210]
#2: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0xe5ed14) [0x7f506939bd14]
#3: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x104b2aa) [0x7f50695882aa]
#4: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0xe39ea8) [0x7f5069376ea8]
#5: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0xe3b4e6) [0x7f50693784e6]
#6: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x7e8423) [0x7f5068d25423]
#7: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x7e85ea) [0x7f5068d255ea]
#8: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x7ecc4b) [0x7f5068d29c4b]
#9: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x7eda7b) [0x7f5068d2aa7b]
#10: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x20c7a2) [0x7f50687497a2]
#11: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x20d337) [0x7f506874a337]
#12: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x3be8ac) [0x7f50688fb8ac]
#13: /usr/lib/x86_64-linux-gnu/dri/iris_dri.so(+0x3c0852) [0x7f50688fd852]
#14: /lib/x86_64-linux-gnu/libQt5Gui.so.5(+0x15a6f8) [0x7f50763cf6f8]
#15: /lib/x86_64-linux-gnu/libQt5Gui.so.5(+0x15a978) [0x7f50763cf978]
#16: /lib/x86_64-linux-gnu/libQt5Gui.so.5(_ZN21QPlatformBackingStore15composeAndFlushEP7QWindowRK7QRegionRK6QPointP20QPlatformTextureListb+0xfaf) [0x7f50766aa6ef]
#17: /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5(+0x6c008) [0x7f506b0fc008]
#18: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x179e84) [0x7f507eb35e84]
#19: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17b898) [0x7f507eb37898]
#20: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17cc11) [0x7f507eb38c11]
#21: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17d3da) [0x7f507eb393da]
#22: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x1cb8dc) [0x7f507eb878dc]
#23: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x1cc2d0) [0x7f507eb882d0]
#24: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x86) [0x7f507eb26a66]
#25: /lib/x86_64-linux-gnu/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x330) [0x7f507eb300f0]
#26: /lib/x86_64-linux-gnu/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x18a) [0x7f507e6f993a]
#27: /lib/x86_64-linux-gnu/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate18processExposeEventEPN29QWindowSystemInterfacePrivate11ExposeEventE+0x96) [0x7f507639cde6]
#28: /lib/x86_64-linux-gnu/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate24processWindowSystemEventEPN29QWindowSystemInterfacePrivate17WindowSystemEventE+0x164) [0x7f507639d014]
#29: /lib/x86_64-linux-gnu/libQt5Gui.so.5(_ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0xbb) [0x7f507637735b]
#30: /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5(+0x7932e) [0x7f506b10932e]
#31: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x27d) [0x7f5075a8817d]
#32: /lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x52400) [0x7f5075a88400]
#33: /lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7f5075a884a3]
#34: /lib/x86_64-linux-gnu/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x65) [0x7f507e751565]
#35: /lib/x86_64-linux-gnu/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x12b) [0x7f507e6f84db]
#36: /lib/x86_64-linux-gnu/libQt5Core.so.5(_ZN16QCoreApplication4execEv+0x96) [0x7f507e700246]
#37: falkon(+0x3ee9) [0x5621ed166ee9]
#38: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7f507e0c60b3]
#39: falkon(_start+0x2e) [0x5621ed16721e]

The-Compiler · 2021-10-06T13:15:52Z

It looks like that crash happens in the graphic driver (iris_dri.so, part of the mesa project).

The-Compiler added bug: segfault/crash/hang There's a low-level crash in C++, or a hang/freeze. status: can't reproduce Issues which can't be reproduced. status: needs triage Issues/PRs which need some deeper investigation. labels Dec 16, 2019

The-Compiler closed this as completed Dec 18, 2019

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Segmentation Fault #5152

Segmentation Fault #5152

Waples commented Dec 16, 2019

The-Compiler commented Dec 16, 2019

Waples commented Dec 16, 2019 •

edited

Waples commented Dec 16, 2019

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Waples commented Dec 18, 2019

franzhuang commented Oct 6, 2021

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franzhuang commented Oct 6, 2021

The-Compiler commented Oct 6, 2021

Segmentation Fault #5152

Segmentation Fault #5152

Comments

Waples commented Dec 16, 2019

The-Compiler commented Dec 16, 2019

Waples commented Dec 16, 2019 • edited

Waples commented Dec 16, 2019

The-Compiler commented Dec 17, 2019

Waples commented Dec 18, 2019

Waples commented Dec 18, 2019

Waples commented Dec 18, 2019

The-Compiler commented Dec 18, 2019

Waples commented Dec 18, 2019

franzhuang commented Oct 6, 2021

The-Compiler commented Oct 6, 2021

franzhuang commented Oct 6, 2021

The-Compiler commented Oct 6, 2021

franzhuang commented Oct 6, 2021

The-Compiler commented Oct 6, 2021

Waples commented Dec 16, 2019 •

edited