[LTP] [lkp-robot] [x86/topology] 379a4bb988: dmesg.WARNING:at_arch/x86/events/intel/uncore.c:#uncore_change_type_ctx

[LTP] [lkp-robot] [x86/topology] 379a4bb988: dmesg.WARNING:at_arch/x86/events/intel/uncore.c:#uncore_change_type_ctx

[Ingo Molnar]

* kernel test robot <xiaolong.ye@intel.com> wrote:

> 
> FYI, we noticed the following commit (built with gcc-6):
> 
> commit: 379a4bb9880608931642e1b4208380468d347b84 ("x86/topology: Avoid wasting 128k for package id array")
> url: https://github.com/0day-ci/linux/commits/Prarit-Bhargava/x86-smpboot-Cleanup-logical-package-ID/20170929-202113
> 
> 
> in testcase: ltp
> with following parameters:
> 
> 	test: cpuhotplug
> 
> test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features.
> test-url: http://linux-test-project.github.io/
> 
> 
> on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> kern  :warn  : [  119.686133] ------------[ cut here ]------------
> kern  :warn  : [  119.692171] WARNING: CPU: 0 PID: 13 at arch/x86/events/intel/uncore.c:1058 uncore_change_type_ctx+0xf0/0x100

If this warning is caused by these patches then the warning should be fixed too, 
before we can apply the patches.

Thanks,

	Ingo

[LTP] [lkp-robot] [x86/topology] 379a4bb988: dmesg.WARNING:at_arch/x86/events/intel/uncore.c:#uncore_change_type_ctx

[Prarit Bhargava]

On 10/12/2017 02:44 AM, kernel test robot wrote:
>  bin/lkp install job.yaml

[root@hpe-dl385gen10-02 lkp-tests]# ls
allot        daemon  filters       include   Makefile  pkg        repo    spec
bin          distro  Gemfile       jobs      monitors  plot       rootfs  stats
cluster      doc     Gemfile.lock  lib       pack      Rakefile   sbin    tests
_config.yml  etc     hosts         lkp-exec  params    README.md  setup   tools
[root@hpe-dl385gen10-02 lkp-tests]#  bin/lkp install ../job.yaml
Not a supported system, cannot install packages.
[root@hpe-dl385gen10-02 lkp-tests]#

Well that's useful.

P.

[LTP] [lkp-robot] [x86/topology] 379a4bb988: dmesg.WARNING:at_arch/x86/events/intel/uncore.c:#uncore_change_type_ctx

[Cyril Hrubis]

Hi!
> >  bin/lkp install job.yaml
> 
> [root@hpe-dl385gen10-02 lkp-tests]# ls
> allot        daemon  filters       include   Makefile  pkg        repo    spec
> bin          distro  Gemfile       jobs      monitors  plot       rootfs  stats
> cluster      doc     Gemfile.lock  lib       pack      Rakefile   sbin    tests
> _config.yml  etc     hosts         lkp-exec  params    README.md  setup   tools
> [root@hpe-dl385gen10-02 lkp-tests]#  bin/lkp install ../job.yaml
> Not a supported system, cannot install packages.
> [root@hpe-dl385gen10-02 lkp-tests]#
> 
> Well that's useful.

Sorry for the late reply, you may have figured it out already, you can
install and run LTP without the lkp framework and that should be pretty
straightforward, then you can just run it by:

'cd /opt/ltp && ./runltp -f cpuhotplug'

Looking at the test it may need a kernel source unpacked /usr/src/linux
as well.


Short HOWTO for building LTP from git is here:

https://github.com/linux-test-project/ltp/blob/master/doc/mini-howto-building-ltp-from-git.txt

And we do have (unofficional) packages for some SUSE distributions:

https://build.opensuse.org/package/show/benchmark/ltp

-- 
Cyril Hrubis
chrubis@suse.cz