Re: [lttng-dev] [EXTERNAL] Re: lttng 2.12 install

["Weber, John via lttng-dev" <lttng-dev@lists.lttng.org>]

Hi, thanks for your reply. So, on my system there are 2 gcc's. one installed by the OS and the other by installation of devtooset-6. Upon checking the versions of both I have 4.8.5 installed by OS in /usr/bin the other one from devtoolset is 6.3.1. Your reference to check /proc/version shows that it sees 4.8.5. how can I manipulate the install to use the gcc from /opt/rh/devtoolset-6/root/bin/gcc (which is 6.3.1)

----------------------------
John Weber
Ball Aerospace
ITS ND System Administrator 
10 Longs Peak Dr., Broomfield, CO 80021
C: 303-807-3608   P: 303-234-2103
E: jweber1@ball.com
 
 

 

 

-----Original Message-----
From: Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com> 
Sent: Friday, November 20, 2020 11:48 AM
To: Weber, John <jweber1@ball.com>
Cc: 'lttng-dev@lists.lttng.org' <lttng-dev@lists.lttng.org>
Subject: [EXTERNAL] Re: [lttng-dev] lttng 2.12 install

Hi John,

This does not seems to be directly related to the lttng-modules project.

This errors seems to arise because of the compiler you are using to compile lttng-modules (kernel modules). The RETPOLINE check is part of the kernel build system, not directly lttng-modules.

I would recommend that you take a look at the /proc/version file and the compiler that was used to compile your kernel. 

Also note that EfficiOS [1] provide commercial support if you ever need more in-depth support. 

Cheers

[1] https://urldefense.proofpoint.com/v2/url?u=https-3A__www.efficios.com_contact_&d=DwIBAg&c=jF7FvYH6t0RX1HrEjVCgHQ&r=t_BRyMysL9XIchJvkrT9wQ&m=EB0u_nTE1tUx4ZXA7ENPxCS2zGFrbf0ZpfI5DiP051o&s=JumKvFuRjeKw-8NQkpWd1nN8ZOHAo-JMUMiqWc2Oq9o&e= 

On Fri, Nov 20, 2020 at 05:43:00PM +0000, Weber, John via lttng-dev wrote:
> Hi, I have a centos 7.8 workstation that I'm trying to install lttng-modules & lttng-tools from source. Based on your install instructions I'm working on installing the modules part first and its failing. I am getting the error:
> Make entering directory /usr/src/kernels/3.10.0-1127.19.1.el7.x86_64
> Arch/x86/Makefile:166 *** CONFIG_RETPOLINE=y, but not supported by the 
> compiler. Compiler update recommended... stop
> Make: modules error 2
> 
> Help, how can I get this program to install? Im stuck. Also, my work environment is classified so there is no access to internet from high side.
> 
> ----------------------------
> John Weber
> Ball Aerospace
> ITS ND System Administrator
> 10 Longs Peak Dr., Broomfield, CO 80021
> C: 303-807-3608   P: 303-234-2103
> E: jweber1@ball.com
> 
> 
> [cid:image001.jpg@01D6BF29.AD6C5250]
> 
> 
> [cid:image002.jpg@01D6BF29.AD6C5250]<http://www.ball.com/aerospace>
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--
Jonathan Rajotte-Julien
EfficiOS

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