Hello,
For the moment I did the following:
1. I installed GCC 4.2.0
2. I compiled ruby
3. I copied missing libraries (I don't have the environmental variable
LD_LIBRARY_PATH set) to /usr/lib: libsimics-common.so and libelf.so.0
4. No more error mentioned in the subject :)
5. BUT:
simics> load-module ruby
Error loading module 'ruby': Failed to load module 'ruby'
('/local/rguziolo/simulators/gems-1.3.1/simics_3_workspace/x86-linux/lib/ruby.so'):
"undefined symbol: ruby_session_set"
I know this subject was already mentioned in
https://lists.cs.wisc.edu/archive/gems-users/2006-August/msg00029.shtml
but there is no clear solution mentioned.
simics> list-failed-modules
Current ABI version: 1354 Lowest supported: 1302
Name Error | Name Error
-----------------------------------------+-----------------------------------------
No module name in module | ruby undefined symbol:
ruby_session_set
[rguziolo@imu lib]$ nm ruby.so | grep ruby_session_set
U ruby_session_set
001333b0 T _Z16ruby_session_setPvP11conf_objectP10attr_valueS3_
Any help or more suggestions will be highly appreciated :)
(::)
mehmetderin.harmanci@xxxxxxx wrote:
Hello,
I had a very similar problem of loading ruby a few weeks ago when our
system manager did an update on gcc. In my case, the problem was that
ruby.so depended on some generic gcc module but it tried to use the copy
of the module the simics installation directory instead of the one
provided by the linux box. Since the module in simics installation (which
came together with simics) was not updated with respect to the new update
I got the same error as you did. So, for my case the solution was the
following:
1) I did the ldd on ruby.so (as you did below) and found out that it was
trying to access module "libgcc_s.so.1" in the directory
$SIMICS_INSTALLATION/x86-linux/sys/lib.
2) I moved this module away form this directory.
I guess this worked because the system was forced to look for the same
library in its onw gcc libraries and finding it there there were no
conflicting dependencies left.
I hope the above experience can help you,
Best Regards,
Derin Harmanci.
Quoting Robert Guziolowski <rguziolo@xxxxxxxx>:
Dan Gibson wrote:
Hi Robert,
You might have some lingering GCC 4.0.2 object files floating around in
your GEMS and/or Simics directories.
Here is what I recommend.
* Do make clean for both Ruby and Opal.
* Delete the Ruby and Opal .so files... they are in
$GEMS/simics/[platform]/lib
* Verify the GEMS makefiles are set to use your gcc 3.2.3 installation
instead of gcc 4.x (sounds like you've done this)
* Set your $GEMS/simics/compiler.mk file to use gcc 3.2.3 instead of
simply "gcc". It could be that the simics build process (which is just
about invisible, nearly impossible to change, and invoked automatically
by our (GEMS's) Makefiles) is still using gcc 4.x.
Regards,
Dan Gibson
Thanks, but unfortunately, it changes nothing. The error stays the same
(GCC_4.2.0 not found, it is _not_ a typo).
Any more suggestions, please?
(below some more data)
simics> load-module ruby
Error loading module 'ruby': Failed to load module 'ruby'
('/local/rguziolo/simulators/gems-1.3.1/simics_3_workspace/x86-linux/lib/ruby.so'):
"version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)"
[rguziolo@imu lib]$ ldd ruby.so
linux-gate.so.1 => (0xffffe000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7bea000)
libz.so.1 => /usr/lib/libz.so.1 (0xb7bd7000)
libsimics-common.so => not found
libm.so.6 => /lib/libm.so.6 (0xb7bb2000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb7ba5000)
libc.so.6 => /lib/libc.so.6 (0xb7a72000)
/lib/ld-linux.so.2 (0x80000000)
[rguziolo@imu lib]$ ldd libstdc++.so.6
linux-gate.so.1 => (0xffffe000)
libm.so.6 => /lib/libm.so.6 (0x00cd2000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00a70000)
libc.so.6 => /lib/libc.so.6 (0x00b9d000)
/lib/ld-linux.so.2 (0x80000000)
Best regards,
(::)
Robert Guziolowski wrote:
Hi,
I am rather new to Simics and GEMS.
I downloaded Simics 3.0.19 and GEMS 1.3.1, and followed all the
instructions "Setup for Simics 3.0.x" and "QuickStart" pages.
When I was compiling with gcc 4.1.1 (fedora core 5) I got errors:
error: extra qualification 'NetDest::' on member 'vecIndex'
while with gcc 3.2.3, those errors were not existing and both ruby and
opal compiled successfully (thus, finally for opal and ruby i am using
gcc 3.2.3).
Nevertheless, while I am trying to load module "ruby" and/or "opal"
into simics (installed out-of-the-box) after loading a checkpointed
system, changing instruction fetch mode, disabling istc and dstc, I
receive following errors:
simics> load-module ruby
Error loading module 'ruby': Failed to load module 'ruby'
('/local/rguziolo/simulators/gems-1.3.1/simics_3_workspace/x86-linux/lib/ruby.so'):
"version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)"
simics> load-module opal
Error loading module 'opal': Failed to load module 'opal'
('/local/rguziolo/simulators/gems-1.3.1/simics_3_workspace/x86-linux/lib/opal.so'):
"version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)"
simics> list-failed-modules
Current ABI version: 1354 Lowest supported: 1302
Name Error
-------------------------------------------------------------------------
No module name in module
opal version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)
ruby version `GCC_4.2.0' not found (required by /usr/lib/libstdc++.so.6)
What I am doing wrong?
Best regards,
(::)
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