Re: Test fail

[Maria Sidorova <hydromasha@gmail.com>]

On 29.03.2018 09:17, Gábor Boskovits wrote:
> 2018-03-28 15:51 GMT+02:00 Gábor Boskovits <boskovits@gmail.com 
> <mailto:boskovits@gmail.com>>:
> 
>     2018-03-28 8:36 GMT+02:00 Maria Sidorova <hydromasha@gmail.com
>     <mailto:hydromasha@gmail.com>>:
> 
> 
> 
>         On 28.03.2018 09:33, Gábor Boskovits wrote:
> 
>             2018-03-27 23:34 GMT+02:00 Maria Sidorova
>             <hydromasha@gmail.com <mailto:hydromasha@gmail.com>
>             <mailto:hydromasha@gmail.com <mailto:hydromasha@gmail.com>>>:
> 
> 
>                  Hello,
> 
>                  Running the test suite (`make check`) gives me one of
>             the tests failed.
> 
>                  This is from test-suite.log
> 
>                  test-name: pivot-root
>                  location: /home/masha/src/guix/tests/syscalls.scm:156
>                  source:
>                  + (test-equal
>                  +   "pivot-root"
>                  +   #t
>                  +   (match (pipe)
>                  +          ((in . out)
>                  +           (match (clone (logior CLONE_NEWUSER
>             CLONE_NEWNS SIGCHLD))
>                  +                  (0
>                  +                   (dynamic-wind
>                  +                     (const #t)
>                  +                     (lambda ()
>                  +                       (close in)
>                  +                       (call-with-temporary-directory
>                  +                         (lambda (root)
>                  +                           (let ((put-old
>             (string-append root
>                  "/real-root")))
>                  +                             (mount "none" root "tmpfs")
>                  +                             (mkdir put-old)
>                  +                             (call-with-output-file
>                  +                               (string-append root
>             "/test")
>                  +                               (lambda (port) (display
>             "testing\n"
>                  port)))
>                  +                             (pivot-root root put-old)
>                  +                             (write (file-exists?
>             "/test") out)
>                  +                             (close out)))))
>                  +                     (lambda () (primitive-exit 0))))
>                  +                  (pid (close out)
>                  +                       (let ((result (read in)))
>                  +                         (close in)
>                  +                         (and (zero? (match (waitpid pid)
>                  +                                            ((_ . status)
>                  +                                           
>               (status:exit-val
>                  status))))
>                  +                              (eq? #t result))))))))
>                  expected-value: #t
>                  actual-value: #f
>                  result: FAIL
> 
> 
>                  The summary is:
>                  # TOTAL: 777
>                  # PASS:  772
>                  # SKIP:  4
>                  # XFAIL: 0
>                  # FAIL:  1
>                  # XPASS: 0
>                  # ERROR: 0
> 
>                  I'm novice in Guix, can anyone give me a clue?
> 
> 
>     Actually there are two possibilities. I'm trying to narrow this down
>     now.
>     There is a bug:https://bugzilla.kernel.org/show_bug.cgi?id=183461
>     <https://bugzilla.kernel.org/show_bug.cgi?id=183461>
>     in our bug tracker that might be affecting you, or the shared mounts
>     I noticed much later. I'm going to investigate this and report back.
> 
> 
> I've created a vm image with a current Ubuntu 16.04 yesterday, installed
> the guix binary tarball, and did a make check in a guix environment guix.
> This error was not shown in my case.
> 
> My uname -r is:
>   4.10.0-28-generic
> 
> This test should be skipped, if kernel version > 4.7.5.
> Can you please send the output of uname -r ?

4.4.0-116-generic