Re: Possible regression in src/lib/libc/resolv

[Sverre Froyen <sverre%viewmark.com@localhost>]

On Wednesday 15 April 2009 16:55:46 Christos Zoulas wrote:
> In article <200904151527.29639.sverre%viewmark.com@localhost>,
>
> Sverre Froyen  <sverre%viewmark.com@localhost> wrote:
> >Hi,
> >
> >After updating my userland with sources from yesterday morning, I get seg
> >faults in kmail.  Reverting src/lib/libc/resolv to 2009-04-12 and
> > rebuilding libc and libresolv seems to "fix" the problem.  I have a core
> > dump from kmail but I notice that the backtrace changed when I changed
> > the libs.  I will reinstall the "bad" libs and get a backtrace later.
>
> Does kmail play with the guts of _res?

Looks like no.  See the attached backtrace.

Sverre



#0  0xb98c0187 in _lwp_kill () from /usr/lib/libc.so.12
#1  0xb98c0145 in raise () from /usr/lib/libc.so.12
#2  0xbb1094b2 in KCrash::defaultCrashHandler (sig=11)
    at 
/usr/pkgsrc/wip/kdelibs4/work.i386/kdelibs-4.2.2/kdeui/util/kcrash.cpp:258
#3  <signal handler called>
#4  0xb985f73a in _malloc_prefork () from /usr/lib/libc.so.12
#5  0xb985fa2b in free () from /usr/lib/libc.so.12
#6  0xb987a543 in __res_ndestroy () from /usr/lib/libc.so.12
#7  0xb987aed2 in __res_vinit () from /usr/lib/libc.so.12
#8  0xb987bafe in __res_ninit () from /usr/lib/libc.so.12
#9  0xba2969f9 in __res_get_state () from /usr/lib/libpthread.so.1
#10 0xb987d98b in getaddrinfo () from /usr/lib/libc.so.12
#11 0xb989da2c in nsdispatch () from /usr/lib/libc.so.12
#12 0xb987c82d in getaddrinfo () from /usr/lib/libc.so.12
#13 0xba234d0e in QHostInfoAgent::fromName () from 
/usr/pkg/qt4/lib/libQtNetwork.so.4
#14 0xba22e490 in QHostInfo::fromName () from /usr/pkg/qt4/lib/libQtNetwork.so.4
#15 0xba6e8cf3 in QtConcurrent::StoredFunctorCall1<QHostInfo, QHostInfo 
(*)(QString const&), QString>::runFunctor (this=0xb3b3bb80) at 
/usr/pkg/qt4/include/QtCore/qtconcurrentstoredfunctioncall.h:270
#16 0xba6e9f3d in QtConcurrent::RunFunctionTask<QHostInfo>::run 
(this=0xb3b3bb80)
    at /usr/pkg/qt4/include/QtCore/qtconcurrentrunbase.h:102
#17 0xba301eb1 in QThreadPoolThread::run () from /usr/pkg/qt4/lib/libQtCore.so.4
#18 0xba30962c in QThreadPrivate::start () from /usr/pkg/qt4/lib/libQtCore.so.4
#19 0xba29c121 in pthread_create () from /usr/lib/libpthread.so.1
#20 0xb9825f50 in swapcontext () from /usr/lib/libc.so.12