Hi Florian! On Tue, Sep 22, 2020 at 01:48:17PM +0200, Florian Bruhin wrote: > reassign -1 libqt5webenginecore5 5.14.2+dfsg1-5 > thanks > > Hey, > > Since you can reproduce this with Falkon, it definitely isn't an issue > in qutebrowser. Reassigning this to QtWebEngine. Let's hope it works, > I'm not too experienced with using Debian's BTS - whoever is on the > receiving end, please let me know if I messed up something :) I see you ended up sending a mail to control@bugs.debian.org. Another way is sending a mail to the bug itself but prefixing the commands with "Control: ". > Thanks! For reference, here's a demangled version of the relevant stack > trace: > > #0 0x00007f6842b6928f blink::CompositedLayerMapping::ComputeBoundsOfOwningLayer(blink::PaintLayer const*, blink::IntRect&, blink::IntRect&, blink::PhysicalOffset&, blink::IntPoint&) (libQt5WebEngineCore.so.5 0x462928f) > #1 0x00007f6842b74054 blink::CompositedLayerMapping::UpdateGraphicsLayerGeometry(blink::PaintLayer const*, blink::PaintLayer const*, WTF::Vector<blink::PaintLayer*, 0u, WTF::PartitionAllocator>&, blink::GraphicsLayerUpdater::UpdateContext&) (libQt5WebEngineCore.so.5 0x4634054) > #2 0x00007f6842b76561 blink::GraphicsLayerUpdater::UpdateRecursive(blink::PaintLayer&, blink::GraphicsLayerUpdater::UpdateType, blink::GraphicsLayerUpdater::UpdateContext&, WTF::Vector<blink::PaintLayer*, 0u, WTF::PartitionAllocator>&) (libQt5WebEngineCore.so.5 0x4636561) > #3 0x00007f6842b764ca blink::GraphicsLayerUpdater::UpdateRecursive(blink::PaintLayer&, blink::GraphicsLayerUpdater::UpdateType, blink::GraphicsLayerUpdater::UpdateContext&, WTF::Vector<blink::PaintLayer*, 0u, WTF::PartitionAllocator>&) (libQt5WebEngineCore.so.5 0x46364ca) > #4 0x00007f6842b764ca blink::GraphicsLayerUpdater::UpdateRecursive(blink::PaintLayer&, blink::GraphicsLayerUpdater::UpdateType, blink::GraphicsLayerUpdater::UpdateContext&, WTF::Vector<blink::PaintLayer*, 0u, WTF::PartitionAllocator>&) (libQt5WebEngineCore.so.5 0x46364ca) > #5 0x00007f6842b764ca blink::GraphicsLayerUpdater::UpdateRecursive(blink::PaintLayer&, blink::GraphicsLayerUpdater::UpdateType, blink::GraphicsLayerUpdater::UpdateContext&, WTF::Vector<blink::PaintLayer*, 0u, WTF::PartitionAllocator>&) (libQt5WebEngineCore.so.5 0x46364ca) > [...] > > From a quick search in QtWebEngine's and Chromium's bugtracker I > couldn't find anything relevant... I also don't remember seeing this > stacktrace before. I also have no clue about this. Unfortunately we build Qt WebEngine without any debugging information so it is impossible to get the line numbers. But I see the ComputeBoundsOfOwningLayer method changed between Qt 5.14 and 5.15, so let's see if upgrading to Qt 5.15 helps here (I am working on it). -- Dmitry Shachnev
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