| Summary: | applying window decoration button settings makes KDE inaccessible | ||
|---|---|---|---|
| Product: | [Plasma] kwin | Reporter: | S. Burmeister <sven.burmeister> |
| Component: | general | Assignee: | KWin default assignee <kwin-bugs-null> |
| Status: | RESOLVED DUPLICATE | ||
| Severity: | normal | CC: | cfeck, tittiatcoke, wstephenson |
| Priority: | NOR | ||
| Version: | unspecified | ||
| Target Milestone: | --- | ||
| Platform: | openSUSE | ||
| OS: | Linux | ||
| Latest Commit: | Version Fixed In: | ||
| Sentry Crash Report: | |||
|
Description
S. Burmeister
2010-08-07 14:37:35 UTC
For which decoration are you trying to add the button? Not all decorations support all buttons. Especially Keep Above is a rare button. In general the button is working on trunk (e.g. see this screenshot: http://picasaweb.google.de/mgraesslin/KWin#5500520604495414930 ) and there should be no commit which could have broken the kcm. At least no commit in kwin - last commit to the decoration kcm was in May. Canfirmed on current trunk, together with Qt from 4.7 branch.
* KWin freezes whenever anything decoration related changes, or the decoration itself changes
* does not happen when compositing is disabled, so whenever I make a change, I have to disable compositing, change deco options, re-enable compositing
* could be Qt 4.7 related, it just hangs waiting for an event
Attached output of gdb during the hang:
#0 0xffffe424 in __kernel_vsyscall ()
#1 0xb545c0b1 in select () at ../sysdeps/unix/syscall-template.S:82
#2 0xb66ffae3 in qt_safe_select (nfds=18, fdread=0x806efe0, fdwrite=0x806f1f4, fdexcept=0x806f408, orig_timeout=
0xbfdc6aa8) at /local/git/Qt/qt/src/corelib/kernel/qcore_unix.cpp:92
#3 0xb6705e6d in QEventDispatcherUNIX::select (this=0x806ece0, nfds=18, readfds=0x806efe0, writefds=0x806f1f4, exceptfds=
0x806f408, timeout=0xbfdc6aa8) at /local/git/Qt/qt/src/corelib/kernel/qeventdispatcher_unix.cpp:632
#4 0xb5b0c67a in QEventDispatcherX11::select (this=0x806ece0, nfds=18, readfds=0x806efe0, writefds=0x806f1f4, exceptfds=
0x806f408, timeout=0xbfdc6aa8) at /local/git/Qt/qt/src/gui/kernel/qeventdispatcher_x11.cpp:188
#5 0xb6704c4a in QEventDispatcherUNIXPrivate::doSelect (this=0x806eee8, flags=..., timeout=0xbfdc6aa8)
at /local/git/Qt/qt/src/corelib/kernel/qeventdispatcher_unix.cpp:219
#6 0xb6706c10 in QEventDispatcherUNIX::processEvents (this=0x806ece0, flags=...)
at /local/git/Qt/qt/src/corelib/kernel/qeventdispatcher_unix.cpp:919
#7 0xb5b0c4d2 in QEventDispatcherX11::processEvents (this=0x806ece0, flags=...)
at /local/git/Qt/qt/src/gui/kernel/qeventdispatcher_x11.cpp:152
#8 0xb66cc90d in QEventLoop::processEvents (this=0xbfdc6c8c, flags=...)
at /local/git/Qt/qt/src/corelib/kernel/qeventloop.cpp:149
#9 0xb66cca51 in QEventLoop::exec (this=0xbfdc6c8c, flags=...) at /local/git/Qt/qt/src/corelib/kernel/qeventloop.cpp:201
#10 0xb66cf29a in QCoreApplication::exec () at /local/git/Qt/qt/src/corelib/kernel/qcoreapplication.cpp:1009
#11 0xb5a423fa in QApplication::exec () at /local/git/Qt/qt/src/gui/kernel/qapplication.cpp:3675
#12 0xb764293d in kdemain (argc=2, argv=0xbfdc6f34) at /local/svn/kde/trunk/KDE/kdebase/workspace/kwin/main.cpp:531
#13 0x08048829 in main (argc=2, argv=0xbfdc6f34) at /local/build/KDE/kdebase/workspace/kwin/kwin_dummy.cpp:3
It also hangs whenever I try to change any other setting (effects, focus options etc), so it is not related to decorations at all. Something must happen when KWin receives an event from systemsettings that it hangs when compositing is enabled. Cannot confirm with kwin trunk (other parts of KDE are not up to date) and Qt 4.6. I'm currently developing on KWin and changeing the settings all the time without any noticed problem. So a candidate would also be the event filter issue? Have you tried with todays kde libs? I compiled kwin r1148314 and it still freezes, so it looks like the problem is elsewhere. I am running kdelibs r1160177 which has the event filtering reverted. Sven, which Qt version do you use? I tried to get the buttons back on the oxygen windeco which should support those buttons. I use libqt4-4.6.3-131.1.i586. I did not try with todays kdelibs but will retry with the next snapshot of trunk. I was just able to reproduce the issue. Killing kwin from SSH made the system useable again (how often did the N900 save me already?). Will try to investigate. I have it with Qt 4.6 and KDE 4.5 branch. The pointer moves and changes depending on what it hovers, but the windows and the desktop itself are not repainted. Changing most kwin settings seems to trigger the bug: at least, enabling/disabling any desktop effect, and enabling Tiling triggers it here. Toggling and reenabling compositing with alt-shift-f12 clears the 'stuck painting' issue this sounds a lot like bug #241402 - just that this would no more be mesa/xorg dri specific (given martin used the nvidia css regarding comment #7) ... Could this then actually be due to the fbo test as well ... ewww =\ I'm pretty sure it's the same bug *** This bug has been marked as a duplicate of bug 241402 *** |