NetBSD Problem Report #59313

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Date: Thu, 17 Apr 2025 14:10:57 +0000 (UTC)
From: campbell+netbsd@mumble.net
Reply-To: campbell+netbsd@mumble.net
To: gnats-bugs@NetBSD.org
Subject: t_sig_backtrace tests are failing
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>Number:         59313
>Category:       port-sparc64
>Synopsis:       t_sig_backtrace tests are failing
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-sparc64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Apr 17 14:15:00 +0000 2025
>Last-Modified:  Thu Apr 17 14:20:01 +0000 2025
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The sigsparcBacktraceD Foundation
>Environment:
>Description:
On sparc:

FAILED: /tmp/build/2025.04.16.12.05.52-sparc/src/tests/lib/libexecinfo/t_sig_backtrace.c:176: found_the_loop not met
Standard output stream

signal: 11
Backtrace 2 stack frames.
0x10e28 <handler+0x20> at /usr/tests/lib/libexecinfo/t_sig_backtrace
0xedd82544 <__sigtramp_siginfo_2> at /usr/lib/libc.so.12

https://releng.netbsd.org/b5reports/sparc/2025/2025.04.16.12.05.52/test.html#lib_libexecinfo_t_sig_backtrace_sig_backtrace_deref

On sparc64:

FAILED: /tmp/build/2025.04.16.12.05.52-sparc64/src/tests/lib/libexecinfo/t_sig_backtrace.c:175: found_sigtramp not met
Standard output stream

signal: 11
Backtrace 1 stack frames.
0x101b14 <handler+0x100034> at /usr/tests/lib/libexecinfo/t_sig_backtrace

So stack traces through signal handlers are missing something.
>How-To-Repeat:
cd /usr/tests/lib/libexecinfo
atf-run t_sig_backtrace | atf-report
>Fix:
Yes, please!

>Audit-Trail:
From: "Taylor R Campbell" <riastradh@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/59313 CVS commit: src/tests/lib/libexecinfo
Date: Thu, 17 Apr 2025 14:18:40 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Thu Apr 17 14:18:40 UTC 2025

 Modified Files:
 	src/tests/lib/libexecinfo: t_sig_backtrace.c

 Log Message:
 t_sig_backtrace: Mark xfail on sparc.

 Also change ATF_REQUIRE to ATF_CHECK to get more diagnostics out in a
 single test run, where appropriate.

 PR port-sparc64/59313: t_sig_backtrace tests are failing


 To generate a diff of this commit:
 cvs rdiff -u -r1.7 -r1.8 src/tests/lib/libexecinfo/t_sig_backtrace.c

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

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