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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