Hi David. I' had a similar issue with similar messages.. Try to set a higher value to kern.ipc.shmall
I had 8192 that was really inadequate and I set 16384. Regards, Luca On Tue, May 29, 2012 at 6:42 PM, David Booth <dav...@boothscientific.com> wrote: > Hi: > > I updated to 4.8.3 this weekend and now have display rendering issues in > windows for KDE applications. > > The first issue seems to be a vertical offset issue. All of the KDE windows > seem to have their content offset to the top. For example, if I open a web > page in Konqueror, the top two inches of the page disappear under the title > bar and there is a corresponding gray rectangle at the bottom of the page > with no content. I see the same thing in other KDE windows. For example, if > I open a Konsole window, the window contents are shifted upwards so the top > two lines of text are not visible and there is a gray rectangle at the > bottom of the window. Also, if I use the mouse to select a line of text, the > highlighted line of text is two lines above where the mouse cursor is > located. Similar behavior is seen with buttons. Generally, in order to > select a button, I have to place the mouse cursor a half-inch or so below > it. > > The second issue seems to be redraw issue. If I minimize a Konqueror window > and then expand it again, it come back with just an empty gray background > and no content. If I decrease the size of a Konsole window, the old > full-size window remains visible in the background. > > Another issue is that some KDE windows come up blank when opened (such as > the Application Launcher). If I move the mouse around in the blank window, > items will appear and disappear as the mouse moves over them and off of > them. With this behavior, I cannot change any of the system settings as the > window is unusable. > > I have tried various values for kern.ipc.shmni and kern.ipc.shmseg up to > 4096 and it seems to make no difference. > > Non-KDE applications such as Firefox, Opera, Gimp, Thunderbird, GoogleEarth > etc. do not have these problems. They work fine. > > The video card is an Nvidia FX 2700M (G94GL). I have tried with the native > Nvidia driver as well with the NV driver and VESA. The behavior is the same > for all > > This all seems very similar to the behavior that KDEgames had in 4.7.4, but > the rest of the KDE windows worked well there. > > I see occasional errors on the console from which KDE was started such as: > > QNativeImage: Unable to attach to shared memory segment > > and > > kpat(2724)/KSharedDataChache: Unabel to find an appropriate lock to guard > the shared cache. This *should* be essentially impossible. :( > > kpat(2724)/KSharedDataCache: Unable to perform initial setup, this system > probably does not really support process-shared pthreads or semaphores, even > though it claims otherwise. > > kpat(2724)/KSharedDataChache: Unable to unmap shared memory segment > 0x80e200000 > > Does anybody have any suggestions to try to fix this? Do I have a > configuration issue somewhere? > > Environment is 8.3 stable AMD64 updated as of 5/26/2012. Ports all up to > date as of 5/26/12. X.org X Server 1.10.6 > > Hardware: Intel T9600 processor with 4GB ram, Nvidia FX 2700M (G94GL) video > card. > > This hardware/Xorg configuration worked fine with 4.7.4 except for KDEgames > as mentioned above. > > Thanks for your help. > > David B. > > > _______________________________________________ > kde-freebsd mailing list > kde-freebsd@kde.org > https://mail.kde.org/mailman/listinfo/kde-freebsd > See also http://freebsd.kde.org/ for latest information > _______________________________________________ kde-freebsd mailing list kde-freebsd@kde.org https://mail.kde.org/mailman/listinfo/kde-freebsd See also http://freebsd.kde.org/ for latest information