NetBSD Problem Report #54300

From gson@gson.org  Mon Jun 17 11:27:09 2019
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Message-Id: <20190617112704.8BB2D989E14@guava.gson.org>
Date: Mon, 17 Jun 2019 14:27:04 +0300 (EEST)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@NetBSD.org
Subject: lib/libutil/t_snprintb test regression on sparc
X-Send-Pr-Version: 3.95

>Number:         54300
>Category:       lib
>Synopsis:       lib/libutil/t_snprintb test regression on sparc
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    christos
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jun 17 11:30:01 +0000 2019
>Closed-Date:    Sun May 24 09:02:12 +0000 2020
>Last-Modified:  Sun May 24 09:02:12 +0000 2020
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date >= 2019.04.27.17.45.28
>Organization:

>Environment:
System: NetBSD
Architecture: sparc
Machine: sparc
>Description:

Both test cases of the lib/libutil/t_snprintb test are failing on
sparc.

The snprintb test case fails with the message

   t_snprintb.c: res != buf (0x1<FOO=0x1=ONE> != 0x1<FOO=0x100000000=ONE>)

and the snprintb_m test case fais with 

  t_snprintb.c:111: len != res_len

Log output from a recent failure:

  http://releng.netbsd.org/b5reports/sparc/2019/2019.06.15.15.22.56/test.html#lib_libutil_t_snprintb_snprintb

The failures started started with with this commit:

  2019.04.27.17.45.28 christos src/common/lib/libutil/snprintb.c 1.19

>How-To-Repeat:

>Fix:

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: lib-bug-people->christos
Responsible-Changed-By: gson@NetBSD.org
Responsible-Changed-When: Mon, 17 Jun 2019 12:41:58 +0000
Responsible-Changed-Why:
Over to committer.


From: "Christos Zoulas" <christos@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/54300 CVS commit: src/common/lib/libutil
Date: Mon, 17 Jun 2019 13:03:58 -0400

 Module Name:	src
 Committed By:	christos
 Date:		Mon Jun 17 17:03:58 UTC 2019

 Modified Files:
 	src/common/lib/libutil: snprintb.c

 Log Message:
 PR/54300: Andreas Gustafsson: Remove useless case. should fix
 lib/libutil/t_snprintb test regression on sparc


 To generate a diff of this commit:
 cvs rdiff -u -r1.20 -r1.21 src/common/lib/libutil/snprintb.c

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

State-Changed-From-To: open->closed
State-Changed-By: gson@NetBSD.org
State-Changed-When: Tue, 18 Jun 2019 13:08:08 +0000
State-Changed-Why:
The test now passes.


State-Changed-From-To: closed->open
State-Changed-By: gson@NetBSD.org
State-Changed-When: Sat, 10 Aug 2019 20:00:28 +0000
State-Changed-Why:
The snprintb_m test case was fixed, but the snprintb test case was not.


From: Andreas Gustafsson <gson@gson.org>
To: gnats-bugs@NetBSD.org
Cc: martin@NetBSD.org
Subject: Re: lib/54300 (lib/libutil/t_snprintb test regression on sparc)
Date: Tue, 17 Sep 2019 21:39:59 +0300

 This is also failing on ARM, both under qemu and on real
 hardware as seen in martin's test logs:

   http://www.netbsd.org/~martin/evbarm-atf/273_atf.html#lib_libutil_t_snprintb_snprintb

 -- 
 Andreas Gustafsson, gson@gson.org

From: Andreas Gustafsson <gson@gson.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: lib/54300: lib/libutil/t_snprintb test regression on sparc
Date: Sun, 8 Dec 2019 17:38:52 +0200

 Since Christos' commits of Dec 6, there are new failures of the
 snprintb tests on i386 and amd64:

   http://releng.netbsd.org/b5reports/i386/2019/2019.12.06.21.45.14/test.html#lib_libutil_t_snprintb_snprintb
   http://releng.netbsd.org/b5reports/i386/2019/2019.12.06.21.45.14/test.html#lib_libutil_t_snprintb_snprintb

 -- 
 Andreas Gustafsson, gson@gson.org

From: Andreas Gustafsson <gson@gson.org>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: lib/54300: lib/libutil/t_snprintb test regression on sparc
Date: Sun, 8 Dec 2019 17:42:52 +0200

 >  http://releng.netbsd.org/b5reports/i386/2019/2019.12.06.21.45.14/test.html#lib_libutil_t_snprintb_snprintb
 >  http://releng.netbsd.org/b5reports/i386/2019/2019.12.06.21.45.14/test.html#lib_libutil_t_snprintb_snprintb

 The second link should have been:

   http://www.gson.org/netbsd/bugs/build/amd64-baremetal/2019/2019.12.06.19.37.43/test.html#lib_libutil_t_snprintb_snprintb

 -- 
 Andreas Gustafsson, gson@gson.org

State-Changed-From-To: open->closed
State-Changed-By: gson@NetBSD.org
State-Changed-When: Sun, 24 May 2020 09:02:12 +0000
State-Changed-Why:
The snprintb tests have been passing for some time now.


>Unformatted:

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