<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"> <title></title> </head> <body text="#000000" bgcolor="#ffffff"> Hi, Thanks for trying to help, here is the info. vnc version = vnc-4.0-0.beta4.3.2 vnc command = vncviewer -via xxx.xxx.xxx.xxx strace = [norbert@krypton norbert]$ strace vncviewer -via 24.37.89.244 execve("/usr/bin/vncviewer", ["vncviewer", "-via", "24.37.89.244"], [/* 31 vars */]) = 0 uname({sys="Linux", node="krypton", ...}) = 0 brk(0) = 0x85da000 open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) = 3 fstat64(3, {st_mode=S_IFREG|0644, st_size=76260, ...}) = 0 old_mmap(NULL, 76260, PROT_READ, MAP_PRIVATE, 3, 0) = 0xbf4ff000 close(3) = 0 open("/usr/lib/libz.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000w\303"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=65928, ...}) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xbf4fe000 old_mmap(0xc36000, 67608, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xc36000 old_mmap(0xc46000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xf000) = 0xc46000 close(3) = 0 open("/usr/X11R6/lib/libSM.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0@\321\305"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=32576, ...}) = 0 old_mmap(0xc5b000, 30272, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xc5b000 old_mmap(0xc62000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x7000) = 0xc62000 close(3) open("/usr/X11R6/lib/libICE.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\205"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=83160, ...}) = 0 old_mmap(0xc65000, 92304, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xc65000 old_mmap(0xc79000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x13000) = 0xc79000 old_mmap(0xc7a000, 6288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xc7a000 close(3) = 0 open("/usr/X11R6/lib/libXext.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\210"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=54520, ...}) = 0 old_mmap(0xc26000, 56564, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xc26000 old_mmap(0xc33000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xc000) = 0xc33000 close(3) = 0 open("/usr/X11R6/lib/libX11.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200s\265"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=908376, ...}) = 0 old_mmap(0xb46000, 907288, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xb46000 old_mmap(0xc21000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xdb000) = 0xc21000 close(3) open("/usr/lib/libstdc++.so.5", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\343"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=739668, ...}) = 0 old_mmap(0x101000, 761792, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x101000 old_mmap(0x1b1000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0xaf000) = 0x1b1000 old_mmap(0x1b6000, 20416, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1b6000 close(3) = 0 open("/lib/tls/libm.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\5\262"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=213244, ...}) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xbf4fd000 old_mmap(0xb1d000, 138000, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xb1d000 old_mmap(0xb3e000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x20000) = 0xb3e000 close(3) = 0 open("/lib/libgcc_s.so.1", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\5\336"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=30604, ...}) = 0 old_mmap(0xddf000, 32112, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xddf000 old_mmap(0xde6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x6000) = 0xde6000 close(3) = 0 open("/lib/tls/libc.so.6", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0`x\237\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=1578228, ...}) = 0 old_mmap(0x9e2000, 1281996, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0x9e2000 old_mmap(0xb15000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x132000) = 0xb15000 old_mmap(0xb19000, 8140, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb19000 close(3) = 0 open("/lib/libdl.so.2", O_RDONLY) = 3 read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P*\264\000"..., 512) = 512 fstat64(3, {st_mode=S_IFREG|0755, st_size=16312, ...}) = 0 old_mmap(0xb41000, 12148, PROT_READ|PROT_EXEC, MAP_PRIVATE, 3, 0) = 0xb41000 old_mmap(0xb43000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0x1000) = 0xb43000 close(3) = 0 old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xbf4fc000 set_thread_area({entry_number:-1 -> 6, base_addr:0xbf4fc500, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 munmap(0xbf4ff000, 76260) = 0 brk(0) = 0x85da000 brk(0x85fb000) = 0x85fb000 brk(0) = 0x85fb000 write(2, "\nVNC viewer for X version 4.0b4 "..., 149 VNC viewer for X version 4.0b4 - built Nov 17 2003 13:17:08 Copyright (C) 2002-2003 RealVNC Ltd. See <a class="moz-txt-link-freetext" href="http://www.realvnc.com">http://www.realvnc.com</a> for information on VNC. ) = 149 rt_sigaction(SIGHUP, {0x8062df0, [HUP], SA_RESTORER|SA_RESTART, 0xa09a58}, {SIG_DFL}, 8) = 0 rt_sigaction(SIGINT, {0x8062df0, [INT], SA_RESTORER|SA_RESTART, 0xa09a58}, {SIG_DFL}, 8) = 0 rt_sigaction(SIGTERM, {0x8062df0, [TERM], SA_RESTORER|SA_RESTART, 0xa09a58}, {SIG_DFL}, 8) = 0 rt_sigaction(SIGPIPE, {SIG_IGN}, {SIG_DFL}, 8) = 0 socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3 bind(3, {sa_family=AF_INET, sin_port=htons(5599), sin_addr=inet_addr("0.0.0.0")}, 16) = 0 close(3) = 0 --- SIGSEGV (Segmentation fault) @ 0 (0) --- +++ killed by SIGSEGV +++ Again thanks for the help norbert strace (and I apologise for the length, however it is meaningless to me... :-( ) <a class="moz-txt-link-abbreviated" href="mailto:ckjohnson@gwi.net">ckjohnson@gwi.net</a> wrote: <blockquote type="cite" cite="mid40A66E5D.70508@gwi.net">norbert wrote: <blockquote type="cite">Yes SSH, FTP & HTTP all work fine, hence the intrigue ..... <blockquote type="cite"> <blockquote type="cite">If I launch vncviewer from my server to another it works fine but if I use the "-via" option I get a "segmentation fault". Can anyone shed some light on this please. K12LTSP V 4.0.1 </blockquote> </blockquote> </blockquote> What vnc rpm do you have? What does your vncviewer command line look like? How about an strace of running vncviewer with the -via option? </blockquote> </body> </html>