[K12OSN] VNC (Virtual Network Computing) question
norbert
bear2bar at netscape.net
Sat May 15 21:41:38 UTC 2004
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 at 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 http://www.realvnc.com 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... :-( )
ckjohnson at gwi.net wrote:
> norbert wrote:
>
>> Yes SSH, FTP & HTTP all work fine, hence the intrigue .....
>>
>>>> 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
>>>
>>>
> 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?
>
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