Date: Mon, 07 Jan 2013 09:57:47 -0800 From: David Southwell <david@vizion2000.net> To: freebsd-questions@freebsd.org Subject: Ignorance and pth etc Message-ID: <50EB0C9B.8060405@vizion2000.net>
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Hi I seem to be getting problems with some error messages which appear to indicate pth failures. The system is 8.2-RELEASE GENERIC amd64 on Intel quad core. I do not understand how pth threads are managed. 1. From ports I have installed fpc-pthreads-2.6.0 libpthread-stubs-0.3_3 pth-2.0.7 2. I am totally ignorant of what is installed by the kernel or of how to check whether there are any conflicts in the system or the ports. 3. I want to install Jabber which seems to require pth-hard 4. The greatest concerns seem to be around Xorg with kde4 installed 5. Fundamentally I am concerned that something about thread management on this system is fouled up. For example kde4, following a recent upgrade,has taken to not loading. Would someone be willing to enlighten me a little? 6. To show the my concerns are not without some foundation among the multiple error messages given when kde4 fails to load there is the snippet shown below. Many thanks for any advice kded(2157)/KSharedDataCache: Unable to find an appropriate lock to guard the shared cache. This *should* be essentially impossible. :( kded(2157)/KSharedDataCache: Unable to perform initial setup, this system probably does not really support process-shared pthreads or semaphores, even though it claims otherwise. kded(2157)/KSharedDataCache: Unable to unmap shared memory segment 0x8097a1000 kbuildsycoca4 running... QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. kglobalaccel(2164)/KSharedDataCache: Unable to find an appropriate lock to guard the shared cache. This *should* be essentially impossible. :( kglobalaccel(2164)/KSharedDataCache: Unable to perform initial setup, this system probably does not really support process-shared pthreads or semaphores, even though it claims otherwise. kglobalaccel(2164)/KSharedDataCache: Unable to unmap shared memory segment 0x8097b2000 kcminit(2166)/KSharedDataCache: Unable to find an appropriate lock to guard the shared cache. This *should* be essentially impossible. :( kcminit(2166)/KSharedDataCache: Unable to perform initial setup, this system probably does not really support process-shared pthreads or semaphores, even though it claims otherwise. kcminit(2166)/KSharedDataCache: Unable to unmap shared memory segment 0x8098ec000 QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. -- David Southwell ARPS AFIAP Photographic Arts Trained & experienced competition judge, mentor, trainer, lecturer, Advanced digital techniques, international project photography
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