Re: [ecasound] Re: [alsa-devel] Re: Usage of Sourceforge (fwd)

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Subject: Re: [ecasound] Re: [alsa-devel] Re: Usage of Sourceforge (fwd)
From: lee johnson (lee@imyourhandiman.com)
Date: Fri Sep 08 2000 - 01:06:14 EEST

>
> >> I strongly suggest you download a source tarball of ecasound, compile it
> > I did that and still i get the segmentation fault .....
>
> Try debugging with strace. As root, just type "strace ecasound -c -i ...".
> Strace will output all system calls made by ecasound... in other
> words you'll get loads of info on your screen. But last few pages should
> be interesting.
>
> -

okay..........here is output from strace ecasound........
I left out a bunch of output seeing as it likely wasn't relevant but i can
always upply ......besides i didn't want to clutter up the ML.there was aLOT
of output...:)
the first line is i believe where it registers that I typed 't' for
"start"........
SIGSEGV seems to be dieing whatever that means :)))))))))) its towards the
end.......

<lee>
-----------------------------------------------------------------------

read(0, "t", 1) = 1
write(1, "t", 1t) = 1
write(1, "\n", 1
) = 1
rt_sigprocmask(SIG_BLOCK, [INT], [RT_0], 8) = 0
ioctl(0, SNDCTL_TMR_STOP, {B38400 opost isig icanon echo ...}) = 0
rt_sigprocmask(SIG_SETMASK, [RT_0], NULL, 8) = 0
rt_sigaction(SIGINT, {0x4030c490, [], 0x4000000}, {0x4030c490, [], 0x4000000},
8) = 0
rt_sigaction(SIGTERM, {0x4030c490, [], 0x4000000}, {0x4030c490, [],
0x4000000}, 8) = 0
rt_sigaction(SIGQUIT, {0x4030c490, [], 0x4000000}, {0x4030c490, [],
0x4000000}, 8) = 0
rt_sigaction(SIGALRM, {SIG_DFL}, {0x4030c490, [], 0x4000000}, 8) = 0
rt_sigaction(SIGTSTP, {SIG_DFL}, {0x4030c490, [], 0x4000000}, 8) = 0
rt_sigaction(SIGTTOU, {SIG_DFL}, {0x4030c490, [], 0x4000000}, 8) = 0
rt_sigaction(SIGTTIN, {SIG_DFL}, {0x4030c490, [], 0x4000000}, 8) = 0
rt_sigaction(SIGWINCH, {SIG_DFL}, {0x4030c490, [], 0x4000000}, 8) = 0
write(1, "- [ \33[1mController/Processing st"..., 86- [ Controller/Processing
started ] ----------------------------------------
) = 86
open("/var/lock/ecasound.lck.17400", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No
such file or directory)
brk(0x808a000) = 0x808a000
pipe([3, 4]) = 0
fn=0xf00, child_stack=0x8089950, flags=0,
args=0x8clone() = 17401
write(4, "<]1@\5\0\0\0\354\241F@?>\6\10\0\0\0\0\200\365\377\277\220"..., 148)
= 148
rt_sigprocmask(SIG_SETMASK, NULL, [RT_0], 8) = 0
write(4, "@91@\0\0\0\0\374\360\377\277\354\332\34@H\317\6\10\0\0"..., 148) =
148
rt_sigprocmask(SIG_SETMASK, NULL, [RT_0], 8) = 0
rt_sigsuspend([] <unfinished ...>
--- SIGRT_0 (Real-time signal 0) ---
<... rt_sigsuspend resumed> ) = -1 EINTR (Interrupted system call)
sigreturn() = ? (mask now [])
rt_sigprocmask(SIG_BLOCK, [INT], [RT_0], 8) = 0
ioctl(0, TIOCGWINSZ, {ws_row=51, ws_col=142, ws_xpixel=142, ws_ypixel=0}) = 0
ioctl(0, TIOCSWINSZ, {ws_row=51, ws_col=142, ws_xpixel=142, ws_ypixel=0}) = 0
ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(0, SNDCTL_TMR_STOP, {B38400 opost isig -icanon -echo ...}) = 0
rt_sigprocmask(SIG_SETMASK, [RT_0], NULL, 8) = 0
rt_sigaction(SIGINT, {0x4030c490, [], 0x4000000}, {0x4030c490, [], 0x4000000},
8) = 0
rt_sigaction(SIGTERM, {0x4030c490, [], 0x4000000}, {0x4030c490, [],
0x4000000}, 8) = 0
rt_sigaction(SIGQUIT, {0x4030c490, [], 0x4000000}, {0x4030c490, [],
0x4000000}, 8) = 0
rt_sigaction(SIGALRM, {0x4030c490, [], 0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGTSTP, {0x4030c490, [], 0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGTTOU, {0x4030c490, [], 0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGTTIN, {0x4030c490, [], 0x4000000}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGWINCH, {0x4030c490, [], 0x4000000}, {SIG_DFL}, 8) = 0
write(1, "ecasound (\'h\' for help)> ", 25ecasound ('h' for help)> ) = 25
rt_sigprocmask(SIG_BLOCK, NULL, [RT_0], 8) = 0
read(0, (eca-main) Multitrack-mode enabled. Changed mixmode to "normal
iactive"
(eca-main) Using realtime-scheduling (SCHED_FIFO/10).
- [ Engine/Init - mixmode "normal iactive" ] -------------------------------
0xbffff6d7, 1) = ? ERESTARTSYS (To be restarted)
--- SIGSEGV (Segmentation fault) ---
+++ killed by SIGSEGV +++
[root@localhost /root]# 

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