NetBSD Problem Report #55521

From gson@gson.org  Mon Jul 27 15:18:43 2020
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Date: Mon, 27 Jul 2020 18:18:38 +0300 (EEST)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@NetBSD.org
Subject: evbarm-aarch64 testbed hangs during sbin/ifconfig/t_repeated_link_addr test
X-Send-Pr-Version: 3.95

>Number:         55521
>Category:       port-evbarm
>Synopsis:       evbarm-aarch64 testbed hangs during sbin/ifconfig/t_repeated_link_addr test
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-evbarm-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jul 27 15:20:00 +0000 2020
>Last-Modified:  Thu Dec 10 08:20:01 +0000 2020
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current
>Organization:
>Environment:
System: NetBSD
Architecture: aarch64
Machine: evbarm
>Description:

The TNF evbarm-aarch64 testbed is currently failing to complete most,
but not quite all ATF test runs because the system under test hangs
at the sbin/ifconfig/t_repeated_link_addr test almost every time.

Log output from a recent hung test run is at

  http://releng.netbsd.org/b5reports/evbarm-aarch64/2020/2020.07.23.16.08.02/test.log

>How-To-Repeat:

>Fix:

>Audit-Trail:
From: "Andreas Gustafsson" <gson@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/55521 CVS commit: src/tests/sbin/ifconfig
Date: Mon, 27 Jul 2020 16:57:45 +0000

 Module Name:	src
 Committed By:	gson
 Date:		Mon Jul 27 16:57:45 UTC 2020

 Modified Files:
 	src/tests/sbin/ifconfig: t_repeated_link_addr.sh

 Log Message:
 Skip the repeated_link_addr test by default as it causes the
 evbarm-aarch64 testbed to hang (PR port-evbarm/55521), and will not be
 safe to run by default even after that bug is fixed, for similar
 reasons as t_repeated_updown.


 To generate a diff of this commit:
 cvs rdiff -u -r1.3 -r1.4 src/tests/sbin/ifconfig/t_repeated_link_addr.sh

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "matthew green" <mrg@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/55521 CVS commit: src/tests/sbin/ifconfig
Date: Thu, 10 Dec 2020 08:16:59 +0000

 Module Name:	src
 Committed By:	mrg
 Date:		Thu Dec 10 08:16:59 UTC 2020

 Modified Files:
 	src/tests/sbin/ifconfig: t_repeated_mtu.sh t_repeated_scan.sh

 Log Message:
 apply this change to a a couple more tests:
 ---
 date: 2020-07-27 09:57:44 -0700;  author: gson;  state: Exp;  lines: +6 -1;  commitid: m3HouRBlhyJQVJhC;
 Skip the repeated_link_addr test by default as it causes the
 evbarm-aarch64 testbed to hang (PR port-evbarm/55521), and will not be
 safe to run by default even after that bug is fixed, for similar
 reasons as t_repeated_updown.
 ---

 t_repeated_mtu.sh changes the MTU, which may cause NFS to fail.
 if you have NFS root, this is system killing.

 t_repeated_scan.sh kills and restarts both hostapd and
 wpa_supplicant.


 To generate a diff of this commit:
 cvs rdiff -u -r1.1 -r1.2 src/tests/sbin/ifconfig/t_repeated_mtu.sh
 cvs rdiff -u -r1.5 -r1.6 src/tests/sbin/ifconfig/t_repeated_scan.sh

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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