From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#21097: verify-store test failure on armhf-linux
Date: Tue, 03 Nov 2015 23:41:16 +0100
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References: <87k2tu3b10.fsf@netris.org>
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In-Reply-To: <87k2tu3b10.fsf@netris.org> (Mark H. Weaver's message of "Mon, 20
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To: Mark H Weaver <mhw@netris.org>
Cc: 21097@debbugs.gnu.org

Mark H Weaver <mhw@netris.org> skribis:

> Test begin:
>   test-name: "verify-store"
>   source-file: "tests/store.scm"
>   source-line: 638
>   source-form: (test-assert "verify-store" (let* ((text (random-text)) (f=
ile1 (add-text-to-store %store "foo" text)) (file2 (add-text-to-store %stor=
e "bar" (random-text) (list file1)))) (and (pk (quote verify1) (verify-stor=
e %store)) (begin (delete-file file1) (not (pk (quote verify2) (verify-stor=
e %store)))) (begin (call-with-output-file file1 (lambda (port) (display te=
xt port))) (pk (quote verify3) (verify-store %store))))))
> Test end:
>   result-kind: fail
>   actual-value: #f
>   actual-error: (srfi-34 #<condition &nix-protocol-error [message: "inval=
idating path `/tmp/nix-build-guix-0.8.2.72cd8ec.drv-0/source/test-tmp/store=
/pp8ls5jri3l8x8y24g1x3h6lkj0lr4gv-bash-light-4.3.39-guile-builder' in datab=
ase: FOREIGN KEY constraint failed" status: 1] 6112e8>)

[...]

> path `/tmp/nix-build-guix-0.8.2.72cd8ec.drv-0/source/test-tmp/store/pp8ls=
5jri3l8x8y24g1x3h6lkj0lr4gv-bash-light-4.3.39-guile-builder' disappeared, r=
emoving from database...

I=E2=80=99ve become convinced that this is due to parallelism: several
guix-daemon processes run at the same time.  In this case, I bet this
process tries to remove an item from the ValidPaths table while another
is trying to add it in the Refs table or something.

In dc57d527 I added #:parallel-tests? #f for =E2=80=98guix-devel=E2=80=99. =
 Eventually
we should fix the makefile to run this test alone, as is done for
=E2=80=98guix-gc.sh=E2=80=99.

Thanks,
Ludo=E2=80=99.