On Mon, Dec 12, 2005 at 01:39:13PM +0200, Brian Nelson wrote: > Ian Wienand <ianw@gelato.unsw.edu.au> writes: > > [...] > > (gdb) back > > #0 0x2000000001363d81 in __pthread_sigsuspend (set=0x60000fffffbf7270) > > at ../linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-sigsuspend.c:32 > > #1 0x2000000001362380 in __pthread_wait_for_restart_signal (self=0x200000000137edc8) at pthread.c:1216 > > #2 0x200000000135d050 in __pthread_cond_wait (cond=0x6000000000004338, mutex=0x60000000000042e0) at restart.h:34 > > #3 0x200000000103f400 in QReadWriteLock::lockForWrite () from /usr/lib/libQtCore.so.4 > > #4 0x20000000011d0340 in qt_addObject () from /usr/lib/libQtCore.so.4 > > #5 0x20000000011d0e50 in QObject::QObject () from /usr/lib/libQtCore.so.4 > > #6 0x2000000001184e20 in QFactoryLoader::QFactoryLoader () from /usr/lib/libQtCore.so.4 > > #7 0x200000000120b670 in QTextDecoder::~QTextDecoder () from /usr/lib/libQtCore.so.4 > > #8 0x2000000001210ef0 in QTextCodec::codecForName () from /usr/lib/libQtCore.so.4 > > #9 0x200000000120c160 in QTextEncoder::fromUnicode () from /usr/lib/libQtCore.so.4 > > #10 0x200000000120efd0 in QTextCodec::codecForLocale () from /usr/lib/libQtCore.so.4 > > #11 0x20000000010b30d0 in QString::toLocal8Bit () from /usr/lib/libQtCore.so.4 > > #12 0x20000000010e04b0 in locale_encode () from /usr/lib/libQtCore.so.4 > > #13 0x20000000010e06f0 in QFile::encodeName () from /usr/lib/libQtCore.so.4 > > #14 0x20000000010f8e20 in QFileEngineHandler::QFileEngineHandler () from /usr/lib/libQtCore.so.4 > > #15 0x20000000010e5460 in QFile::open () from /usr/lib/libQtCore.so.4 > > #16 0x4000000000001070 in main () > > > > It seems that lock in qt_addObject has already been taken by > > something. Has anything changed in this area recently? > > In the code? No, not by me. I don't see any reason why that lock would > be taken indefinitely anyway. I ruled out a few things, namely it seems to happen with both LinuxThreads and NPTL, so it seems unlikely that the threading library/kernel is at fault. The changes-4.0.1 file says that support has been added for SGI Altix, which means someone must have been interested in getting it working on IA64? Any idea who that person might be? -i
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