Intermittent ldap test failure

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2 participants
  • Mathieu Othacehe
  • Timotej Lazar
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unassigned
Submitted by
Mathieu Othacehe
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normal
M
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Mathieu Othacehe wrote on 1 May 2022 13:09
(address . bug-guix@gnu.org)(name . Ricardo Wurmus)(address . rekado@elephly.net)
87r15dmrvk.fsf@gnu.org
Hello,

The ldap test in intermittently failing:

It looks like the ldap_bind call is failing:
ldap_bind: Invalid credentials (49)

and the "eva" user is hence not created. Ricardo any idea what could be
going wrong?

Here is the log of a successful run to compare:

Thanks,

Mathieu
T
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Timotej Lazar wrote on 23 Jun 2022 18:28
(name . Ricardo Wurmus)(address . rekado@elephly.net)
87wnd7pcmy.fsf@araneo.si
Hi,

Mathieu Othacehe <othacehe@gnu.org> [2022-05-01 13:09:19+0200]:
Toggle quote (3 lines)
> The ldap test in intermittently failing:
> https://ci.guix.gnu.org/build/703858/log/raw.

I just encountered the same failure with a different error:

komputilo login: Traceback (most recent call last):
File "/gnu/store/jkfbqqv7dk38xr1a214razjlxip49hip-389-ds-base-1.4.4.17/sbin/.dsctl-real", line 20, in <module>
…
OSError: [Errno 12] Cannot allocate memory: '/gnu/store/jkfbqqv7dk38xr1a214razjlxip49hip-389-ds-base-1.4.4.17/lib/python3.9/site-packages/lib389/cli_ctl'

About 50% of test runs fail, either with this error or the one from the
original report.

After increasing the memory limit for the test VM, I was able to run the
test successfully ten times on two different machines. The patch is
attached.
From 7e187015b49469671d9a25e5c1f3892f5e396ac6 Mon Sep 17 00:00:00 2001
From: Timotej Lazar <timotej.lazar@araneo.si>
Date: Thu, 23 Jun 2022 18:13:29 +0200
Subject: [PATCH] tests: ldap: Increase VM memory size.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

With the default limit of 512 MB the test sometimes fails, in different

* gnu/tests/ldap.scm (run-ldap-test): Increase memory size to 1024 MiB.
---
gnu/tests/ldap.scm | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

Toggle diff (17 lines)
diff --git a/gnu/tests/ldap.scm b/gnu/tests/ldap.scm
index d5403b3539..47e77c0c53 100644
--- a/gnu/tests/ldap.scm
+++ b/gnu/tests/ldap.scm
@@ -58,7 +58,9 @@ (define os
(guix combinators))))
(define vm
- (virtual-machine os))
+ (virtual-machine
+ (operating-system os)
+ (memory-size 1024)))
(define test
(with-imported-modules '((gnu build marionette))
--
2.36.1
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Mathieu Othacehe wrote on 24 Jun 2022 10:26
(name . Timotej Lazar)(address . timotej.lazar@araneo.si)
875ykqjwlw.fsf@gnu.org
Hey Timotej,

Toggle quote (4 lines)
> After increasing the memory limit for the test VM, I was able to run the
> test successfully ten times on two different machines. The patch is
> attached.

Great, that wouldn't be the first time that the RAM limitation causes
strange transient issues.

I'm pushing the proposed patch and closing this bug,

Thanks,

Mathieu
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