Re: [jazzplusplus-devel] configure.ac update -please test-

[D.B. M. <db...@ho...>]

----------------------------------------
> Date: Mon, 12 May 2008 21:48:25 -0700

 
> DM = D.B. Moore
> DM> Just confirming that this type of error;
> DM>
> DM> jazz[3247]: segfault at 0 ip 7fa62e0e1b49 sp 7fff379157d0 error 4 in 
> libasound.so.2.0.0[7fa62e04b000+d1000]
> DM>
> DM> is actually emitted when jazz cannot seemingly
> DM> find a valid input device, ie; I didn't have
> DM> vkeybd running. Previous (elusive) reports of
> DM> this I posted, were apparently related to me
> DM> changing things in the qsynth connection panel
> DM> 'on the fly'....sorry if that created any confusion.
> DM>
> DM> I did update my alsalib btw, but such made no
> DM> difference here.
> 
> Donald,
> 
> When you are debugging add --enable-debug to your configure line.
> 
> After you finish the build, run the code using gdb...
> 
> gdb jazz
> 
> Then type "run" when you get a prompt.  When the code crashes, generate 
> a back trace using the "bt" command.  Full gdb documentation can be 
> found at http://sourceware.org/gdb/current/onlinedocs/gdb_toc.html
> 
> Reply back with the result of the back trace.
> 
> It will be a while before I get to it.  Maybe not until this weekend.
> 
> Pete
> 

Yep, no problem.... the back trace without vkeybd running but with
jack/fluidsynth/qsynth running and ready to go (complete session);

(gdb) run
Starting program: /root/Jazz++/TestInstall/bin/jazz 
Failed to read a valid object file image from memory.
[Thread debugging using libthread_db enabled]
[New Thread 140090596853472 (LWP 3341)]
JZProject::ReadConfiguration() ConfFileNameAndPath:
  "/root/Jazz++/TestInstall/share/Jazz++/jazz.cfg"
JZConfiguration::LoadConfig:
  "/root/Jazz++/TestInstall/share/Jazz++/jazz.cfg"
Include synthesizer configuration file "gs.jzi"
FindFile: Immediate hit on file "gs.jzi"
Include file "gsdrmset.jzi"
FindFile: Immediate hit on file "gsdrmset.jzi"
Include file "gmdrmnam.jzi"
FindFile: Immediate hit on file "gmdrmnam.jzi"
Include file "gsvoices.jzi"
FindFile: Immediate hit on file "gsvoices.jzi"
Include file "ctrlnam.jzi"
FindFile: Immediate hit on file "ctrlnam.jzi"
created client:port = 131:0
invalid output device, so selecting one
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 140090596853472 (LWP 3341)]
snd_seq_port_subscribe_set_sender (info=0x7fff6a45d310, addr=0x0) at seq.c:2432
2432            memcpy(&info->sender, addr, sizeof(*addr));
Current language:  auto; currently c

(gdb) bt
#0  snd_seq_port_subscribe_set_sender (info=0x7fff6a45d310, addr=0x0)
    at seq.c:2432
#1  0x0000000000426a59 in tAlsaPlayer::subscribe_inp (this=0xb68020, inp=0)
    at ../../jazz/src/AlsaPlayer.cpp:219
#2  0x0000000000427793 in tAlsaPlayer (this=0xb68020, song=0x7f69623ea010)
    at ../../jazz/src/AlsaPlayer.cpp:122
#3  0x0000000000423638 in tAlsaAudioPlayer (this=0xb68020, 
    pSong=0x7f69623ea010) at ../../jazz/src/AlsaDriver.cpp:127
#4  0x00000000004b9ed2 in JZProject (this=0x7f69623ea010)
    at ../../jazz/src/Project.cpp:194
#5  0x0000000000498948 in JZJazzPlusPlusApplication::OnInit (this=0xafe690)
    at ../../jazz/src/JazzPlusPlusApplication.cpp:127
#6  0x0000000000498d96 in wxAppConsole::CallOnInit (this=0xafe690)
    at /usr/local/wx287/include/wx-2.8/wx/app.h:76
#7  0x000000000079a70a in wxEntry ()
#8  0x0000000000498d10 in main (argc=1, argv=0x7fff6a45dc68)
    at ../../jazz/src/JazzPlusPlusApplication.cpp:63



Hope this helps put some light on the issue.


Regards,

Donald B
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