Problem installing 1.8 on Ubuntu system

[RobD]

Last week I installed version 1.8.03.1123 on my Imac and used it without any problems.
Following Harry's tutorials as applicable I have processed two sets of data, just got to fathom out what it all means now.

I have subsequently attempted to install on my Linux system, never hurts to have a back up, using PI-linux-x86_64-01.08.03.1123-20141118-t.tar.gz. this unpacks successfully but fails to install.
As far as I can tell I have the correct and latest Ubuntu versions running on a 64bit system.
I have also tried the previous version but it fails with the same error.
No log files and I can find nothing in the system logs.

Does anyone have any idea what I am doing wrong?

Terminal dump below.

Thanks in advance Rob

root@AstwoodServer:~/Installed/Pix10803# ls
installer  PI-linux-x86_64-01.08.03.1123-20141118-t.tar.gz  PixInsight
root@AstwoodServer:~/Installed/Pix10803# ./installer
Illegal instruction (core dumped)
root@AstwoodServer:~/Installed/Pix10802# ldd --version
ldd (Ubuntu EGLIBC 2.19-0ubuntu6.4) 2.19
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.
root@AstwoodServer:~/Installed/Pix10802# uname -a
Linux AstwoodServer 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[Alejandro Tombolini]

Hi Rob, welcome to the forum. Usually I install this way without problems. Perhaps someone with more knowledge in Linux can interpret message from the terminal.
Saludos, Alejandro.

[georg.viehoever]

Just guesses: Do you have a very old CPU that does not support the necessary instructions set? Or is you download corrupted? Both could be the cause of "Illegal instruction" signals.
Georg

[RobD]

It is an old pc,  at least 10 years,  possibly 15, as to whether it supports the required instruction set,  I have no idea, but I guess not. 
Thanks for the suggestion.
Rob

[georg.viehoever]

Check the minimum system requirements http://www.pixinsight.com/sysreq/index.html . My guess would be that you have one of those very first AMD 64bit capable processors. They lack a few instructions.
Georg

[RobD]

Thanks Georg,

it is certainly an old system, for what it's worth Ubuntu reports the cpu as an AMD Athlon 64 3000+ ( see below )
According to cpu-world.com it features :-

    MMX instructions
    Extensions to MMX
    3DNow! technology
    Extensions to 3DNow!
    SSE / Streaming SIMD Extensions
    SSE2 / Streaming SIMD Extensions 2
    AMD64 / AMD 64-bit technology  ?
    EVP / Enhanced Virus Protection  ?

How this relates to you 'lacks a few instructions' I don't know.
Looks like I will have to stick with the mac.

Thanks Rob

root@AstwoodServer:~/Installed/Pix10802# cat /proc/cpuinfo
processor   : 0
vendor_id   : AuthenticAMD
cpu family   : 15
model      : 12
model name   : AMD Athlon(tm) 64 Processor 3000+
stepping   : 0
cpu MHz      : 1999.770
cache size   : 512 KB
physical id   : 0
siblings   : 1
core id      : 0
cpu cores   : 1
apicid      : 0
initial apicid   : 0
fpu      : yes
fpu_exception   : yes
cpuid level   : 1
wp      : yes
flags      : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow rep_good nopl
bogomips   : 3999.54
TLB size   : 1024 4K pages
clflush size   : 64
cache_alignment   : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp

[georg.viehoever]

Linux modules for PI are compiled with -msse3, which means the software can use SSE3 instructions. Athlon 64 suports these since the Venice revision (April 4, 2005), which would report as "pni" in the flags of cpuinfo. So your Athlon does not have it. 

Georg

[RobD]

Thanks Georg, looks like I will have to get used to the mac then.

Rob

[pfile]

if you really want to use ubuntu you can dual-boot the mac with macosx and ubuntu...

rob

[RobD]

Rob,  not a desperate want, but as a long-term pc user linux is easier to use than Macs. My wife has always been a mac user so not totally alien, bit it is another hurdle in the learning trail.

Rob