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List:       kde-devel
Subject:    Re: Crash info with no stack trace
From:       Lindsay Mathieson <lindsay.mathieson () gmail ! com>
Date:       2012-01-26 9:47:04
Message-ID: 28248126.xFgGKhJmH0 () lindsay-11-10
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On Thu, 26 Jan 2012 01:38:45 AM Thomas Lübking wrote:
> Am 26.01.2012, 01:02 Uhr, schrieb Lindsay Mathieson
> 
> <lindsay.mathieson@gmail.com>:
> > I'm trying to generate a useful bug report for kactivitymanagerd but
> > can't
> > 
> > seem to get a useful stack trace for it, all I can get is:
> >   "Application: KDE Activity Manager (kactivitymanagerd), signal:
> > Segmentation
> > fault"
> 
> try
> 
> gdb --args kactivitymanagerd --nofork
> run
> [wait for crash]
> bt


got the crash on startup almost immediately this time and attached after the 
fact - dunno if thats useful for you but here's the trace from that.

I notice that I can't load the debug symbols unless I start gdb with root 
privileges (sudo). Could that be why the kde debug tool is unable to load a 
stack trace?



(gdb) bt
#0  0x00007f853ff0d773 in __GI___poll (fds=<optimised out>, nfds=<optimised 
out>, timeout=<optimised out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f853c8cdf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f853c8ce429 in g_main_context_iteration () from /lib/x86_64-linux-
gnu/libglib-2.0.so.0
#3  0x00007f8541355ed6 in QEventDispatcherGlib::processEvents (this=0xe63ce0, 
flags=<optimised out>) at kernel/qeventdispatcher_glib.cpp:422
#4  0x00007f854078210e in QGuiEventDispatcherGlib::processEvents 
(this=<optimised out>, flags=<optimised out>)
    at kernel/qguieventdispatcher_glib.cpp:204
#5  0x00007f8541329cf2 in QEventLoop::processEvents (this=<optimised out>, 
flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f8541329ef7 in QEventLoop::exec (this=0x7fff6e707470, flags=...) at 
kernel/qeventloop.cpp:201
#7  0x00007f854132e789 in QCoreApplication::exec () at 
kernel/qcoreapplication.cpp:1064
#8  0x0000000000405a14 in ?? ()
#9  0x00007f853fe5930d in __libc_start_main (main=0x405880, argc=2, 
ubp_av=0x7fff6e7076d8, init=<optimised out>, fini=<optimised out>, 
    rtld_fini=<optimised out>, stack_end=0x7fff6e7076c8) at libc-start.c:226
#10 0x0000000000405a69 in _start ()


> [enter, enter, enter, ...]
> detach
> quit
> 
> 
> Cheers,
> Thomas
> 
> >> Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to unsubscribe
> >> <<
-- 
Lindsay

>> Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to unsubscribe <<
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