From mboxrd@z Thu Jan  1 00:00:00 1970
From: Maria Sidorova <hydromasha@gmail.com>
Subject: Test fail
Date: Wed, 28 Mar 2018 00:34:57 +0300
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To: help-guix@gnu.org

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?

Thanks,
Maria.