Hey,
> For 1), do you see those QtWebEngineProcess crashes when you run
> "coredumpctl list"? If so, can you please show "coredumpctl info PID"
> with the PID from the list? If not, can you check whether you can
> reproduce them (making the entire browser crash) when you run with
> "--qt-flag single-process"?
I have attached coredumpctl info when it crashes using --temp-basedir.
Running with:
$ qutebrowser --qt-flag single-process
[1] 5850 illegal hardware instruction (core dumped) qutebrowser
--qt-flag single-process
The browser starts with a blank page and when I try to open any webpage, it
crashes.
I have also attached coredumpctl of this crash.
> For 2), it looks like there's no libqt5webengine5-dbg{,sym} package in
> the debian archives. Could you check if you find them if you run e.g.
> find-dbgsym-packages on /usr/lib/x86_64-linux-gnu/libQt5WebEngine.so.5.14.2
> https://wiki.debian.org/HowToGetABacktrace#Installing_the_debugging_symbols
After adding deb 'http://deb.debian.org/debian-debug/ unstable-debug main' to
my '/etc/apt/sources.list' and installing
'libfile-slurper-perl' and 'libfile-which-perl', I find some debug symbols
available:
$ find-dbgsym-packages
/usr/lib/x86_64-linux-gnu/libQt5WebEngine.so.5.14.2
I have attached the file 'find-dbgsym-packages.txt'
> (If there are no debug symbols available at all, I wonder if a bug should
> be opened against libqt5webengine5a - Axel/Fritz, if you have an opinion
> on that, I'd like to hear more)
>
> If getting more info via coredumpctl didn't work, but you can reproduce
> with --qt-flag single-process, can you please do something like:
>
> gdb -ex r --args /usr/bin/python3 -m qutebrowser --temp-basedir --qt-flag
> single-process
$ sudo gdb -ex r --args /usr/bin/python3 -m qutebrowser --temp-basedir
--qt-flag single-process
(No debugging symbols found in /usr/bin/python3)
Starting program: /usr/bin/python3 -m qutebrowser --temp-basedir --qt-flag
single-process
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Detaching after fork from child process 12318]
[New Thread 0x7fffdd4e2700 (LWP 12329)]
12:12:36 WARNING: QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to
'/tmp/runtime-root'
[New Thread 0x7fffd075c700 (LWP 12332)]
[New Thread 0x7fffcff5b700 (LWP 12333)]
[New Thread 0x7fffcf75a700 (LWP 12334)]
[New Thread 0x7fffcef59700 (LWP 12335)]
[New Thread 0x7fffce758700 (LWP 12336)]
[New Thread 0x7fffcdf57700 (LWP 12337)]
[New Thread 0x7fffcd756700 (LWP 12338)]
[New Thread 0x7fffccf55700 (LWP 12339)]
[New Thread 0x7fffaffff700 (LWP 12340)]
[New Thread 0x7fffaf7fe700 (LWP 12341)]
[New Thread 0x7fffaeffd700 (LWP 12342)]
[New Thread 0x7fffae7fc700 (LWP 12343)]
[New Thread 0x7fffadffb700 (LWP 12344)]
[New Thread 0x7fffad7fa700 (LWP 12345)]
[New Thread 0x7fffacff9700 (LWP 12346)]
[New Thread 0x7fff8bfff700 (LWP 12347)]
[Detaching after fork from child process 12348]
[New Thread 0x7fff8b7fe700 (LWP 12349)]
[Thread 0x7fff8b7fe700 (LWP 12349) exited]
[New Thread 0x7fff8b7fe700 (LWP 12350)]
[New Thread 0x7fff8a470700 (LWP 12351)]
[New Thread 0x7fff89c6f700 (LWP 12352)]
[New Thread 0x7fff8946e700 (LWP 12353)]
[New Thread 0x7fff88c6d700 (LWP 12354)]
[New Thread 0x7fff73fff700 (LWP 12355)]
[New Thread 0x7fff737fe700 (LWP 12356)]
[New Thread 0x7fff72ffd700 (LWP 12357)]
[New Thread 0x7fff717e6700 (LWP 12358)]
[New Thread 0x7fff70fe5700 (LWP 12359)]
[New Thread 0x7fff5bfff700 (LWP 12360)]
[New Thread 0x7fff5b7fe700 (LWP 12361)]
[New Thread 0x7fff5affd700 (LWP 12362)]
[Thread 0x7fff5affd700 (LWP 12362) exited]
[New Thread 0x7fff5affd700 (LWP 12363)]
[Thread 0x7fff5affd700 (LWP 12363) exited]
[New Thread 0x7fff5affd700 (LWP 12364)]
[New Thread 0x7fff5a7fc700 (LWP 12365)]
[New Thread 0x7fff59ffb700 (LWP 12366)]
[New Thread 0x7fff597fa700 (LWP 12367)]
[Detaching after fork from child process 12368]
[New Thread 0x7fff727fc700 (LWP 12373)]
[New Thread 0x7fff71ffb700 (LWP 12374)]
[New Thread 0x7fff58a89700 (LWP 12375)]
[New Thread 0x7fff27fff700 (LWP 12376)]
[New Thread 0x7fff277fe700 (LWP 12377)]
[New Thread 0x7fff26ffd700 (LWP 12378)]
[New Thread 0x7fff267fc700 (LWP 12379)]
[New Thread 0x7fff25ffb700 (LWP 12380)]
[New Thread 0x7fff257fa700 (LWP 12381)]
[New Thread 0x7fff24ff9700 (LWP 12382)]
[New Thread 0x7fff07fff700 (LWP 12383)]
[New Thread 0x7ffefffff700 (LWP 12384)]
[New Thread 0x7fff077fe700 (LWP 12385)]
[New Thread 0x7fff06ffd700 (LWP 12386)]
[New Thread 0x7fff063fc700 (LWP 12387)]
--Type <RET> for more, q to quit, c to continue without paging--
<RET>
Thread 40 "Chrome_InProcRe" received signal SIGILL, Illegal instruction.
[Switching to Thread 0x7fff58a89700 (LWP 12375)]
0x00007fffea1b128f in
blink::CompositedLayerMapping::ComputeBoundsOfOwningLayer(blink::PaintLayer
const*,
blink::IntRect&, blink::IntRect&, blink::PhysicalOffset&, blink::IntPoint&) ()
from
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
(gdb) bt
#0 0x00007fffea1b128f in
blink::CompositedLayerMapping::ComputeBoundsOfOwningLayer(blink::PaintLayer
const*,
blink::IntRect&, blink::IntRect&, blink::PhysicalOffset&, blink::IntPoint&) ()
at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#1 0x00007fffea1bc054 in
blink::CompositedLayerMapping::UpdateGraphicsLayerGeometry(blink::PaintLayer
const*,
blink::PaintLayep
