On Fri, 6 Aug 2010 14:39:29 +0200, Tijl Coosemans wrote: > On Tuesday 03 August 2010 20:21:48 Max Brazhnikov wrote: > > On Mon, 2 Aug 2010 22:10:52 +0200, Tijl Coosemans wrote: > >> On Monday 19 July 2010 14:07:56 Rusty Nejdl wrote: > >>> On Mon, 19 Jul 2010 12:20:35 +0200, Jaap Boender wrote: > >>>>>>>> I've attached a patch that makes KDE use QFileSystemWatcher on > >>>>>>>> FreeBSD which uses kqueue instead of stat. I've been using it for > >>>>>>>> the past few days and it seems to work rather well. > >>>> > >>>> I've been using the patch (the July 8 version), and it works well > >>>> for the most part; the only problem is that plasma-desktop runs up > >>>> to 100% CPU usage every once in a while (and becomes unresponsive), > >>>> so that I've got to kill and restart. > >>>> > >>>> Looking at the logs, there doesn't seem to be any particular error > >>>> message, and it doesn't seem to be triggered by any specific action. > >>>> If you need me to do anything specific for debugging purposes, or > >>>> need more information, let me know. > >>> > >>> I can completely attest to this and mine was so bad I had to remove > >>> the patch. Plasma would die but everything else would work after > >>> that. > >> > >> It turns out that Qt uses a continue statement in a do-while loop > >> thereby creating an infinite loop. The attached patch should solve it. > >> You have to put it in devel/qt4-corelib/files/ and rebuild that port. > >> > >> I'm still trying to fix some more issues, but this should already > >> help a lot, so please give it a try. > > > > Still crashes with this patch and your latest patch for kdelibs: > Here's an updated patch for devel/qt4-corelib. It turns out that kded4 > monitors a lot of files (2000+ in my case). That means the process > (such as other parts of Qt) can no longer use select(2) on descriptors > opened after those 2000+ because that's limited to 1024 (FD_SETSIZE). > Qt doesn't do a bounds check when it tries to use such a descriptor > with select and essentially a buffer overflow occurs that can cause > a crash later on.
This patch solves my problem, thanks! Max _______________________________________________ kde-freebsd mailing list [email protected] https://mail.kde.org/mailman/listinfo/kde-freebsd See also http://freebsd.kde.org/ for latest information
