On Mon, Oct 22, 2018 at 02:44:23PM +0000, Hans Malissa wrote:
> Hi,
> 
> I'm getting unexpected test failures in glibc (8.3-systemd, chapter 6.9).
> make check exits with:
> 
> ...
> Summary of test results:
> 3 FAIL
> 5823 PASS
> 31 UNSUPPORTED
> 17 XFAIL
> 2 XPASS
> make[1]: *** [Makefile:347: tests] Error 1
> make[1]: Leaving directory '/usr/src/glibc-2.28'
> make: *** [Makefile:9: check] Error 2
> 
> The 3 FAILs are:
> FAIL: inet/tst-idna_name_classify
> FAIL: libio/tst-readline
> FAIL: misc/tst-ttyname
> 
> The 2 XPASSes are:
> XPASS: elf/tst-protected1a
> XPASS: elf/tst-protected1b
> 
> inet/tst-idna_name_classify and misc/tst-ttyname are mentioned in the book, 
> but not inet/tst-idna_name_classify. 
> Is it safe to continue at this point?


With one extra failure, yes.  We don't usually note or care about
XPASS, only what actually fails.  Having one or two more here is no
big deal.  But there is no hard and fast rule - having 20 more is
bad, having 6 more - maybe, maybe not.

FWIW, I only got 1 on the machine I looked at, because one other was
'unsupported' so to an extent the results vary, probably with
micro-architecture and kernel configuration.

> Also, what is the best strategy to find out more about a specific error? 
> Google searches mainly lead to archives of test results, but not to an 
> explanation.
> Thanks a lot,
> 
> Hans

Necromancy ?  Sometimes an explanation will be hinted at after
reading several results across the first few pages.  But other
times, nothing - and to an extent it will depend on what google
knows about your search history, but more, these days, to what other
people are commonly searching for.

ĸen
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