Re: Help with debugging a bug in Konqueror
Stefano Crocco <[email protected]> Tue, 14 Jul 2026 09:15:27 +0200
| Newsgroups | gmane.comp.kde.devel.general |
|---|---|
| Message-ID | <[email protected]> |
This is a multi-part message in MIME format. --nextPartP7BzX-GDRzeLJwKN-LVUnw Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" On luned=C3=AC 13 luglio 2026 23:46:33 Ora legale dell=E2=80=99Europa centr= ale Juraj Oravec=20 wrote: > A small update, >=20 > I can get both Falkon and Konqueror stuck when opening the combobox on > this page: > https://google.github.io/liquidfun/ >=20 > Best regards, > Juraj >=20 > On pondelok 13. j=C3=BAla 2026 23:22:46 stredoeur=C3=B3psky letn=C3=BD = =C4=8Das Juraj Oravec >=20 > wrote: > > Hello, > >=20 > > > 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. > > >=20 > > > 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. > >=20 > > 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". > >=20 > > 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. > >=20 > > 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). Thanks for this information. I tried the link you provided and indeed, I go= t a=20 freeze. However, as you said, this freezes the whole desktop, while in the= =20 other cases (luckily) I always experienced a freeze of Konqueror only. The = two=20 backtraces look very similar, however, except for the beginning. I attach t= he=20 relative backtrace. Do you get the freeze every time on the page you mentioned? I only got it o= n=20 my desktop machine, which is also the machine where I got the other freezes= =2E=20 When I tried with my laptop, the page worked correctly (I'm not using the=20 laptop much these days so I can't say whether Konqueror freezes on it too). My desktop system as ha AMD Radeon RX 6700 XT graphic card: I've had it for= =20 several years and it has always worked flawlessly, so I think that if the c= ause=20 is related to the driver, it's something new. Given that Falkon is also showing this issue, I think the cause is not=20 Konqueror itself but something else. I think I've found out when this issue= =20 started happening for me: between the last days of May and the first days o= f=20 June. As soon as I have time, I'll try to look at the log of the packages I= =20 updated in those days to see if there's something which could be related t= o=20 this. Stefano --nextPartP7BzX-GDRzeLJwKN-LVUnw Content-Disposition: attachment; filename="backtrace_https_google.github.io_liquidfun.zip" Content-Transfer-Encoding: base64 Content-Type: application/zip; name="backtrace_https_google.github.io_liquidfun.zip" UEsDBBQDAAAIAFNG7lzAPTP9/xYAAOoUAQBCAAAAMjAyNi0wNy0xNC1jcmFzaF9taXN0ZXJpb3Nv LWh0dHBzX2dvb2dsZS5naXRodWIuaW9fbGlxdWlkZnVuLmNyYXNo7J17b9s2EMD/76cw1mFIt8Ym JUqkhHUb1m5dsVezdQ9gGAyJohwhjuRIcprs0+9I2ZZE5SHHSewkNJDEsenj68e7I3mkn304zEUQ DSgb7C2eojMae7GwbRK5HA32fvrr/QD+cV8MPjl48+28eJ2lqeBlkqWfvPCfPUcD+ASCh/pUaFES x9YgSQfjcXFe8GA6HfMg5WI6DnJ+ONh7MQjKwWiahC6Rv/mwyIbus+dYE+N6XsAqMUlaijwNppq8 S0VZXVExVqL6SrA1CQJTx5YSZrNsevnHSOtjnksFDiP5scn4OEjSMc+gJmflOIH6BKUYz9Npxo9E NEyKPFhKnRd5LXkCP/vWEMkM0LPnTicDj6DLMpA91Eeo264sc51IqJY/+O5UpOWbpJgFJT8U+Vv4 nO/P8oyLolDvFYO98jApXlXIRByEMIZeDuJpMCleDYfDKvfTIB+Vx7PRLMvLYCJGkTjdPylHJ2UY FGLfHWI8xKOPWX60fEmcivz8I2Qp9oucL1PA0xHPcgHFGB0BEWI6OhGyGNGqiGNZtyGfzXyCrGfP 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