Description of problem: Opening ZynAddSubFx's main window in KDE results in 100% CPU useage, and it's very difficult and slow to close the app. Other apps still can be opened on the desktop, so it's not a case of the desktop being frozen up, but just appears to apply to Zyn's main window. If I minimise Zyn the CPU cycles return to normal. If I click on a box in Zyn that opens child windows, then minimise Zyn, the child windows open ok, and are useable with no problems. If I logout of KDE, and login to Gnome, and open ZynAddSubFX, the app works as it should, with no problems. It appears to be a problem only with Zyn, and with KDE. Other distros on the same machine (FC1,2,3,4,and 5. Debian Sarge, Etch, and Lenny) have no problems with ZynAddSubFX and KDE. Version-Release number of selected component (if applicable): 2.2.2-14.fc7 How reproducible: Always Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
I wonder if this has more to do with fltk than zynaddsubfx. In any case, I'm no KDE expert and I could use some help looking into this.
I now have F8 installed on the same machine, and am getting the same results with Zyn on KDE. I again posted the problem to planetccrma, and someone replied saying that Zyn worked ok with F8, and KDE on his machine, and posted me his zyntrace.txt. I compared it with mine in KDE's Kompare, but am not clued up enough to understand the strace output. there are a lot of differences between his and mine, but may be hardware related. You mention a possible problem with fltk, but would this explain why Zyn works ok with Gnome, but not with KDE? I got no replies when I posted the problem with Zyn on F7 to the KDE list. I'll post the problem again referencing F8, but as ZynAddSubFX is not a KDE app, perhaps they are not too interested. Anyway. Zyn works on FC1 through FC5 on this machine with KDE, but it would be nice to find out why it is totally screwed up on F7, and F8 with KDE. Nigel.
Anthony. This does appear to be an fltk problem, I've only tried this on Fedora 8 up to now, but the procedure is to remove fltk, along with Zyn from Fedora 8, then install the fltk version that I've borrowed from FC5 (version-fltk_1.1.7-1.fc5_i386.rpm), and followed by a reinstall of ZynAddSubFX. Now Zyn works ok, as per pre FC7 installs of Fedora. Should I post this as a bug against fltk? Nigel.
(In reply to comment #3) > Should I post this as a bug against fltk? Yes, I think so. Mark that bug as blocking this one. Thanks.
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