Open the command prompt and then type: man malloc
Search for MALLOC_CHECK This is a feature of newer malloc impl that add checking code so that memory leaks or mismanagements can be detected.If that does not help try to disable SELinux. Reagrds, Umberto On 2/22/06, Doyon, Jean-Francois <[EMAIL PROTECTED]> wrote: > Hello, > > I'm testing MapServer on some new hardware/software, and ran into what looks > like a bug ... > > With a specific mapfile, the mapserver CGI dies with the following error: > > [Wed Feb 22 13:03:33 2006] [error] [client 132.156.4.96] *** glibc detected > *** double free or corruption (!prev): 0x09f76cf8 ***, referer: > [Wed Feb 22 13:03:33 2006] [error] [client 132.156.4.96] Premature end of > script headers: mapserv461atlas, referer: > > (referer deleted) > > This is mapserver 4.6.1 on CentOS 4.2 (i.e. RHEL 4). > > It uses: > > GDAL 1.3.1 > PROJ 4.4.9 > > And the system libraries for the rest: > > libgd.so.2 => /usr/lib/libgd.so.2 (0x0065a000) > libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x002aa000) > libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x004dc000) > libpng12.so.0 => /usr/lib/libpng12.so.0 (0x00343000) > libz.so.1 => /usr/lib/libz.so.1 (0x004ca000) > libproj.so.0 => /home/atlas/web/lib/libproj.so.0 (0x00111000) > libgdal.so.1 => /home/atlas/web/lib/libgdal.so.1 (0x006a7000) > libcurl.so.3 => /usr/lib/libcurl.so.3 (0x00145000) > libssl.so.4 => /lib/libssl.so.4 (0x00175000) > libcrypto.so.4 => /lib/libcrypto.so.4 (0x001a9000) > libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0x00292000) > libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0x005c9000) > libcom_err.so.2 => /lib/libcom_err.so.2 (0x00447000) > libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0x00630000) > libresolv.so.2 => /lib/libresolv.so.2 (0x002c8000) > libdl.so.2 => /lib/libdl.so.2 (0x00441000) > libidn.so.11 => /usr/lib/libidn.so.11 (0x0044c000) > libc.so.6 => /lib/tls/libc.so.6 (0x009c7000) > libm.so.6 => /lib/tls/libm.so.6 (0x00313000) > libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00366000) > libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x002db000) > libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x002e3000) > libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x00af1000) > libtiff.so.3 => /usr/lib/libtiff.so.3 (0x0047c000) > librt.so.1 => /lib/tls/librt.so.1 (0x00543000) > /lib/ld-linux.so.2 (0x002fc000) > libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x00431000) > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00557000) > > The only thing noticeably different about the mapfile causing the error is > that it has WMS layers and is quite a bit bigger than your average mapfile. > > I found nothing in bugzilla. > > Anybody run into this before? I found one obscure reference, but no clear > cause/solution. > > Thanks, > > Jean-François Doyon > Internet Service Development and Systems Support / Spécialiste de > dèveloppements internet et soutien technique > Canada Centre for Remote Sensing/Centre Canadien de télédétection > Natural Resources Canada/Ressources Naturelles Canada > http://atlas.gc.ca > Tel./Tél.: (613) 992-4902 > Fax: (613) 947-2410 >
