On Tue, Apr 26, 2022 at 9:43 AM Michal Suchánek <msucha...@suse.de> wrote:
>
> On Tue, Apr 26, 2022 at 09:32:24AM -0700, Dan Williams wrote:
> > On Tue, Apr 26, 2022 at 9:15 AM Michal Suchánek <msucha...@suse.de> wrote:
> > >
> > > On Tue, Apr 26, 2022 at 08:51:25AM -0700, Dan Williams wrote:
> > > > On Tue, Apr 26, 2022 at 5:39 AM Michal Suchánek <msucha...@suse.de> 
> > > > wrote:
> > > > >
> > > > > Hello,
> > > > >
> > > > > there is some testsuite included with ndctl, and when following the
> > > > > instructions to build it most tests fail or are skipped:
> > > > >
> > > > > [   95s] Ok:                 3
> > > > > [   95s] Expected Fail:      0
> > > > > [   95s] Fail:               5
> > > > > [   95s] Unexpected Pass:    0
> > > > > [   95s] Skipped:            15
> > > > > [   95s] Timeout:            0
> > > > >
> > > > > Is this the expected outcome or is this a problem with the ndctl 
> > > > > build?
> > > > >
> > > > > Attaching test run log.
> > > >
> > > > I see a few missing prerequisites:
> > > >
> > > > [   78s] /usr/src/packages/BUILD/ndctl-73/test/pmem-errors.sh: line
> > > > 64: mkfs.ext4: command not found
> > > > [   95s] /usr/src/packages/BUILD/ndctl-73/test/security.sh: line 25:
> > > > jq: command not found
> > >
> > > Indeed, with those installed I get much more tests passing:
> > >
> > > [  148s] Ok:                 13
> > > [  148s] Expected Fail:      0
> > > [  148s] Fail:               4
> > > [  148s] Unexpected Pass:    0
> > > [  148s] Skipped:            6
> > > [  148s] Timeout:            0
> > >
> > > >
> > > > This report:
> > > >
> > > > [   51s]  1/23 ndctl:ndctl / libndctl               SKIP
> > > > 0.02s   exit status 77
> > > >
> > > > ...seems to indicate that the nfit_test modules did not appear to load
> > > > correctly. I never expected that the nfit_test modules would be
> > > > redistributable, so I was surprised to see them being installed by an
> > > > actual package "nfit_test-kmp-default-0_k5.17.4_1-6.1". The reason
> > > > they are not redistributable is because they require replacing the
> > > > production build of the kernel provided modules libnvdimm.ko,
> > > > nd_pmem.ko, etc... What I expect is happening is that the production
> > > > version of libnvdimm.ko is already loaded (or is the only one on the
> > >
> > > AFAICT neither is the case, that's why I dump the module information in
> > > the log.
> >
> > The modinfo just tells you what modules are available, but it does not
> > necessarily indicate which modules are actively loaded in the system
> > which is what ndctl_test_init() validates.
>
> Isn't what modinfo lists also what modrobe loads?

It shows what modprobe would load on the next invocation, but
sometimes when nfit_test fails it's because the initramfs or something
else loaded the modules without respecting the extra/ (or updates/ in
your case) override modules.

> There isn't any pmem so I don't see why production modules would be
> loaded before the test modules are installed. Unloading the modules
> first does not really make any difference.

Ok, my first guess was wrong... would need more debug to see what
those other skip tests are complaining about.

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