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List:       kde-devel
Subject:    Re: kbuildsycoca crashes
From:       jonathan_brugge <jonathan_brugge () mailcircuit ! com>
Date:       2002-02-25 15:24:02
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I noticed the problem with FAM too, it crashes when calling libfam.so, 
according to my backtrace:

[New Thread 1024 (LWP 1607)]
0x41015b79 in wait4 () from /lib/libc.so.6
#0  0x41015b79 in wait4 () from /lib/libc.so.6
#1  0x4108e068 in __check_rhosts_file () from /lib/libc.so.6
#2  0x40e72263 in waitpid () from /lib/libpthread.so.0
#3  0x406101fa in KCrash::defaultCrashHandler(int) (sig=2) at kcrash.cpp:224
#4  0x40f9e928 in sigaction () from /lib/libc.so.6
#5  0x40eac694 in __dynamic_cast () from /usr/lib/libfam.so.0
#6  0x4029ca17 in KBuildServiceGroupFactory::addNewEntry(QString const&, char 
const*, KSycocaEntry*) (this=0xbfffff45, file=@0xbfffffb8, resource=0x0, 
    newEntry=0x10) at kbuildservicegroupfactory.cpp:72
#7  0x40f8e6cf in __libc_start_main () from /lib/libc.so.6

I'm using the libfam that comes with Debian unstable, which I'm quite sure is 
not compiled with the same compiler I used to compile KDE with (3.0.4). AFAIK 
all Debian-packages use 2.95. Is it possible to let only kbuildsycoca use 
polling and the rest of KDE FAM? I suppose not, but as libfam is said to give 
a lower load I'd prefer to use it...

Jonathan Brugge

------------------

I had the same problem. After disabling FAM it worked though. Did you
compile with FAM support enabled? If so, was FAM compiled with a
different compiler? (I suspend that that has something to do with the crash).

Here's the backtrace:
(no debugging symbols found)...(no debugging symbols found)...[New Thread 
1024 
(LWP 11976)]

0x40f3fb79 in wait4 () from /lib/libc.so.6
#0  0x40f3fb79 in wait4 () from /lib/libc.so.6
#1  0x40fb8068 in __check_rhosts_file () from /lib/libc.so.6
#2  0x40d8e263 in waitpid () from /lib/libpthread.so.0
#3  0x405db0ab in KCrash::defaultCrashHandler(int) ()
    at /usr/local/kde3/qt-copy/include/qvaluelist.h:393
#4  0x40d8bd94 in pthread_sighandler () from /lib/libpthread.so.0
#5  0x40ec8928 in sigaction () from /lib/libc.so.6
#6  0x4029c461 in KBuildServiceGroupFactory::addNewEntry(QString const&, char 
const*, KSycocaEntry*) (this=0x80683d0, file=@0xbffff3d0, 
    resource=0x80896b0 "apps", newEntry=0x0)
    at ../../../../src/kdelibs/kded/kbuildservicegroupfactory.cpp:96
#7  0x4029c48a in KBuildServiceGroupFactory::addNewEntry(QString const&, char 
const*, KSycocaEntry*) (this=0x80683d0, file=@0x8090850, 
    resource=0x80896b0 "apps", newEntry=0x0)
    at ../../../../src/kdelibs/kded/kbuildservicegroupfactory.cpp:99
#8  0x4029c162 in KBuildServiceGroupFactory::createEntry(QString const&, char 
const*) (this=0x80683d0, file=@0x8090850, resource=0x80896b0 "apps")
    at ../../../../src/kdelibs/kded/kbuildservicegroupfactory.cpp:53
#9  0x40291d18 in 
KBuildSycoca::build(QValueList<QValueList<KSharedPtr<KSycocaEntry> > >*, 
QDict<unsigned>*) (this=0x8062a68, allEntries=0x0, ctimeDict=0x0)
    at ../../../../src/kdelibs/kded/kbuildsycoca.cpp:250
#10 0x40292142 in 
KBuildSycoca::recreate(QValueList<QValueList<KSharedPtr<KSycocaEntry> > >*, 
QDict<unsigned>*) (this=0x8062a68, allEntries=0x0, ctimeDict=0x0)
    at ../../../../src/kdelibs/kded/kbuildsycoca.cpp:298
#11 0x402938b9 in main (argc=1, argv=0xbffff974)
    at ../../../../src/kdelibs/kded/kbuildsycoca.cpp:589
#12 0x40eb86cf in __libc_start_main () from /lib/libc.so.6

Greetings,
Wilco

 
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