Re: [PATCH] tests/*/Makefile: make sure group.list DIRT exists before install

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On Mon, Feb 26, 2024 at 06:31:04PM +0100, Martin Jansa wrote:
> On Mon, Feb 26, 2024 at 5:57 PM Darrick J. Wong <djwong@xxxxxxxxxx> wrote:
> >
> > On Sun, Feb 25, 2024 at 07:01:48PM +0100, Martin Jansa wrote:
> > > On Sun, Feb 25, 2024 at 5:35 PM Zorro Lang <zlang@xxxxxxxxxx> wrote:
> > > >
> > > > On Thu, Feb 08, 2024 at 11:52:41PM +0100, Martin Jansa wrote:
> > > > > * sometimes make install was failing with:
> > > > >   cp: cannot stat 'group.list': No such file or directory
> > > > >   and bunch of non-fatal messages:
> > > > >   mv: failed to preserve ownership for 'group.list': Invalid argument
> > > >
> > > > I'm wondering ... isn't that expected?
> > > >
> > > > Why not let "make install" fail directly, if there's not a completed "make" ?
> > > > Isn't that more familiar?
> > >
> > > It might if it fails reliably, but in OpenEmbedded builds where I was
> > > seeing this in some CI builds it failed in about 1% of the builds, which is
> > > enough to make the failure annoying and if this is meant to be expected
> > > behavior than not failing reliably, for context see:
> > > https://git.openembedded.org/meta-openembedded/commit/?id=e8a1c9823b7e55dd2ca7f19a3fd3a05ae676bfe2
> >
> > Aha, that explains the weird language in the commit message about
> > "removing tests/*/group.list" and "adding some sleep" even though the
> > patch doesn't actually do that.
> 
> That's what I was using to reliably trigger the "make install" failure as in:
> https://git.openembedded.org/meta-openembedded-contrib/commit/?h=jansa/master-xfstests-debug&id=d3fecf856850645762a9dcad5160686b2445729d
> 
> > > so here it calls make in do_compile task (defined in autotools-brokensep),
> > > then make install in do_install task and do_install was failing
> > > _sometimes_, and I haven't seen single failure since this change was
> > > applied.
> > >
> > > I'm not very familiar with xfstests, I wasn't even building it
> > > intentionally (it's just part of one CI job which builds everything
> > > available), so I might be missing something.
> >
> > Huh, that looks like the result of make trying to run the 'default' and
> > 'install' targets in parallel because there's no "install: default"
> > clause in the Makefile.
> >
> > Soooo... are you folks using 'make -jXX default install' in your CI
> > system?
> 
> -jXX is used in 2 separate steps (bitbake tasks) which don't run in parallel.
> 
> do_compile tasks runs:
> do_compile() {
>     make -j 70 -l 140
> }
> 
> and only after do_compile is finished do_install task runs:
> do_install() {
>     # otherwise install-sh duplicates DESTDIR prefix
>     export DIST_ROOT="/" DIST_MANIFEST=""
> DESTDIR="/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/image"
>     make -j 70 -l 140 install
> 
>     unionmount_target_dir=/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/image/usr/xfstests/unionmount-testsuite
>     install -d $unionmount_target_dir/tests
>     install /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/unionmount-testsuite/tests/*
> -t $unionmount_target_dir/tests
>     install /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/unionmount-testsuite/*.py
> -t $unionmount_target_dir
>     install /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/unionmount-testsuite/run
> -t $unionmount_target_dir
>     install /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/unionmount-testsuite/README
> -t $unionmount_target_dir
> }
> 
> And with this I see 15 calls to buildgrouplist in do_compile and then
> the 2 calls for each of these 15 group.list files again in do_install
> 
> grep GROUP temp/log.do_install temp/log.do_compile | sort | uniq -c
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/btrfs/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ceph/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/cifs/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ext4/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/f2fs/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/generic/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/nfs/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ocfs2/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/overlay/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/perf/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/selftest/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/shared/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/tmpfs/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/udf/group.list
>       1 temp/log.do_compile: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/xfs/group.list
> 
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/btrfs/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ceph/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/cifs/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ext4/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/f2fs/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/generic/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/nfs/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/ocfs2/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/overlay/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/perf/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/selftest/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/shared/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/tmpfs/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/udf/group.list
>       2 temp/log.do_install: [GROUP]
> /OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/xfstests/2024.01.14/git/tests/xfs/group.list
> 
> I guess for you it doesn't run buildgrouplist again if you run "make
> && make install"?

Thanks for this explanation, this example makes more sense for me.

Reviewed-by: Zorro Lang <zlang@xxxxxxxxxx>

> 
> Regards,
> 





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