Subject: Re: [linux-audio-user] sndpeek: real-time 3D FFT + audio visualizatoin
From: Fernando Pablo Lopez-Lezcano (nando_AT_ccrma.stanford.edu)
Date: Wed Oct 27 2004 - 00:17:26 EEST
On Tue, 2004-10-26 at 13:48, Kevin Ernste wrote:
> It runs here fine with ALSA (looks great, by the way, thanks for the
> nice work!). However, the JACK version locks up the terminal and the
> process cannot be killed. in fact "ps" dies even trying to view the
> PID, etc. I would be happy to try and better diagnose it if others
> have a similar problem.
>
> This is with Fedora Core 2 running PlanetCCRMA, kernel
> 2.6.8.1-1.520.1vR9.ll with "realcap" capabilities in JACK, an
> otherwise bullet-proof setup.
In my case it runs with alsa and (only) segfaults with jack (FC2). This
is what I get if I build with "-g":
Program received signal SIGFPE, Arithmetic exception.
[Switching to Thread -1208244320 (LWP 4276)]
0xb7f4fd54 in _mesa_test_os_sse_exception_support ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
(gdb) back
#0 0xb7f4fd54 in _mesa_test_os_sse_exception_support ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#1 0xb7f4fae1 in check_os_sse_support ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#2 0xb7f4fc00 in _mesa_init_all_x86_transform_asm ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#3 0xb7ececab in _math_init () from
/usr/X11R6/lib/modules/dri/radeon_dri.so
#4 0xb7e53aba in one_time_init ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#5 0xb7e55c94 in _mesa_initialize_context ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#6 0xb7e56749 in _mesa_create_context ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#7 0xb7f5570a in radeonCreateContext ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#8 0xb7e418b0 in driCreateContext ()
from /usr/X11R6/lib/modules/dri/radeon_dri.so
#9 0x46fa65da in _glthread_SetTSD () from /usr/X11R6/lib/libGL.so.1
#10 0x46fa6992 in _glthread_SetTSD () from /usr/X11R6/lib/libGL.so.1
#11 0x46fa6c2e in glXCreateContext () from /usr/X11R6/lib/libGL.so.1
#12 0xb7fd3ae1 in fgOpenWindow () from /usr/lib/libglut.so.3
#13 0xb7fd25c9 in fgCreateWindow () from /usr/lib/libglut.so.3
#14 0xb7fd3ed4 in glutCreateWindow () from /usr/lib/libglut.so.3
#15 0x08055af1 in main (argc=1, argv=0xbffff894) at sndpeek.cpp:301
(gdb)
-- Fernando
> On Tue, 26 Oct 2004 21:01:57 +0200, Tim Orford <tim_AT_orford.org> wrote:
> > On Mon, Oct 25, 2004 at 06:31:32AM -0400, Ge Wang wrote:
> > > We at the Princeton SoundLab have released our light-weight
> > > (stupidly simple yet useful) real-time 3d waveform audio and
> > > FFT waterfall visualization. GPL. Plug in a mic, and have some
> > > fun, or run it on a file.
> > >
> > > http://soundlab.cs.princeton.edu/software/sndpeek/
> >
> > screenshot looks great so i had to try it!
> >
> > but on a Mandrake9.2 and a Gentoo machine (both X 4.3.0, ati r200),
> > i get a segfault:
> >
> > [tim_AT_sofa sndpeek]$ gdb ./sndpeek
> > GNU gdb 5.3-25mdk (Mandrake Linux)
> > Copyright 2002 Free Software Foundation, Inc.
> > GDB is free software, covered by the GNU General Public License, and you
> > are
> > welcome to change it and/or distribute copies of it under certain
> > conditions.
> > Type "show copying" to see the conditions.
> > There is absolutely no warranty for GDB. Type "show warranty" for
> > details.
> > This GDB was configured as "i586-mandrake-linux-gnu"...
> > (gdb) run
> > Starting program: /home/tim/sndpeek-1.0/src/sndpeek/sndpeek
> > Loading required GL library /usr/X11R6/lib/libGL.so.1.2
> > libGL: XF86DRIGetClientDriverName: 4.0.1 r200 (screen 0)
> > libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri/r200_dri.so
> > libGL: XF86DRIGetClientDriverName: 4.0.1 r200 (screen 0)
> > drmOpenByBusid: busid is PCI:1:0:0
> > drmOpenDevice: minor is 0
> > drmOpenDevice: node name is /dev/dri/card0
> > drmOpenDevice: open result is 6, (OK)
> > drmOpenByBusid: drmOpenMinor returns 6
> > drmOpenByBusid: drmGetBusid reports PCI:1:0:0
> >
> > Program received signal SIGFPE, Arithmetic exception.
> > 0x40779d33 in __driUtilCreateScreen () from
> > /usr/X11R6/lib/modules/dri/r200_dri.so
> > (gdb) backtrace
> > #0 0x40779d33 in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #1 0x40779a81 in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #2 0x40779bed in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #3 0x406ecc8b in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #4 0x4066ffba in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #5 0x40672147 in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #6 0x406725b7 in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #7 0x4077e259 in __driUtilCreateScreen () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #8 0x4065d84c in __driUtilUpdateDrawableInfo () from /usr/X11R6/lib/modules/dri/r200_dri.so
> > #9 0x40607a06 in _glthread_SetTSD () from /usr/X11R6/lib/libGL.so.1.2
> > #10 0x40607a7e in glXCreateContext () from /usr/X11R6/lib/libGL.so.1.2
> > (gdb)
> >
> > hope you find this info useful.
> >
> > cheers
> > --
> > Tim Orford
> >
This archive was generated by hypermail 2b28 : Wed Oct 27 2004 - 00:22:34 EEST