A small update, I can get both Falkon and Konqueror stuck when opening the combobox on this page: https://google.github.io/liquidfun/
Best regards, Juraj On pondelok 13. júla 2026 23:22:46 stredoeurópsky letný čas Juraj Oravec wrote: > Hello, > > > Hello to everyone, > > for the last few weeks, I've randomly encountered what I assume is a > > bug in Konqueror: I'd like to fix it, because it's rather annoying, > > but I don't know how to debug it to find its cause. > > > > The issue is that sometimes Konqueror completely freezes: none of > > its > > windows respond to mouse or keyboard. The only way to go on is to > > kill it. It's not a frequent issue: it usually happens once a day or > > so. Once it has happened, however, it's likely to happen again in a > > short time. > > I run experiencing similar issue with Falkon, where Falkon freezes the > whole desktop when I try to open a combobox (<select>) on a website. > It also happens randomly and everything is fine after I ssh into the > machine and kill Falkon. I did not look into debugging this issue yet > as I attributed it to "has to be external thing". > > I am running i3 + picom on top of XOrg. If you are running something > else, it could explain the difference on what freezes. After Falkon > dies system is fully responsive again. > > I attributed it to Qt or Intel drivers (I have Intel B580 gpu), as > they are not perfect yet (the HW video acceleration likes to crash > once in a while). > > > I attach a backtrace by attaching gdb to the Konqueror instance once > > the freeze happens. As you can see, it contains almost nothing from > > Konqueror itself: just two calls near the bottom, the last of which > > is a call to QApplication::exec(). All other function calls are > > either inside KDE Frameworks or Qt: I'd almost think this is not a > > problem with Konqueror if it were not for the fact that I'm only > > experiencing the issue with Konqueror. > > > > Given the randomness of the freezes and the fact that the backtrace > > contains almost no Konqueror-specific calls, I really have no ideas > > on how to proceed to debug the issue, and I really don't even know > > what to search on the web. Do you have any advice? > > It is totally random for me as well, so far I did not bother > investigating as these issues often solve themselves with time. > Plus I run Artix with often older packages (I update once in a while), > so getting debug symbols for whole system is not possible. > > > Thanks in advance > > > > Stefano > > Best regards, > Juraj
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