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segfault on one debian, but not on the other ?



Hi !

I have problems compiling & running a program on one of my debian/testing systems.
I have two machines:
1) "Eddie", a not-very-up-to-date woody machine (Athlon) with new libc6
2) "Zaphod", a very old woody P100 system. Last dist-upgrade was in september, I think...

The program is "sampeg3" an (IMHO) excellent mpeg encoder. You can find it on www.linuxtv.org.

My Problem is: after compiling without any errors (on each machine), the program immediately segfaults on Eddie, but runs perfectly on Zaphod. I tried to debug, but the segfault occurs even before the first line of main()...

I asked the author who said (I'll try to translate:)
"Quite a lot C++ Comiplers seem to have problems to call the constructor of global objects. I had the problem with Solaris, too. But on Linux it worked allways."

I tried it with gcc 2.95.4 and 3.0.2, but no difference.

ldd says: 
        libvideogfx-0.0.so.1 => /usr/local/lib/libvideogfx-0.0.so.1 (0x40020000)
        libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x4006a000)
        libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40089000)
        libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40098000)
        libm.so.6 => /lib/libm.so.6 (0x40173000)
        libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 (0x40195000)
        libc.so.6 => /lib/libc.so.6 (0x401e0000)
        /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)

        Version information:
        src/sampeg:
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
                libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
        /usr/local/lib/libvideogfx-0.0.so.1:
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /usr/lib/libjpeg.so.62:
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /usr/X11R6/lib/libXext.so.6:
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /usr/X11R6/lib/libX11.so.6:
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.2) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.1.2) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /lib/libm.so.6:
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /usr/lib/libstdc++-libc6.2-2.so.3:
                libm.so.6 (GLIBC_2.0) => /lib/libm.so.6
                libc.so.6 (GLIBC_2.1.3) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.1) => /lib/libc.so.6
                libc.so.6 (GLIBC_2.0) => /lib/libc.so.6
        /lib/libc.so.6:
                ld-linux.so.2 (GLIBC_2.1.1) => /lib/ld-linux.so.2
                ld-linux.so.2 (GLIBC_2.2.3) => /lib/ld-linux.so.2
                ld-linux.so.2 (GLIBC_2.1) => /lib/ld-linux.so.2
                ld-linux.so.2 (GLIBC_2.2) => /lib/ld-linux.so.2
                ld-linux.so.2 (GLIBC_2.0) => /lib/ld-linux.so.2

Can anyone help me, please ? I like that encoder so much and am sad, the newer Versions don't run...
-- 
Markus Grunwald

Registered Linux User Nr 101577      
http://counter.li.org                http://www.grunwald.2xs.de



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