NetBSD Problem Report #50841
From wiz@yt.nih.at Tue Feb 23 15:27:42 2016
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for <gnats-bugs@gnats.NetBSD.org>; Tue, 23 Feb 2016 15:27:42 +0000 (UTC)
Message-Id: <20160223152730.F06312AC227@yt.nih.at>
Date: Tue, 23 Feb 2016 16:27:30 +0100 (CET)
From: Thomas Klausner <wiz@NetBSD.org>
Reply-To: Thomas Klausner <wiz@NetBSD.org>
To: gnats-bugs@NetBSD.org
Subject: MKREPRO: debug builds not reproducible
X-Send-Pr-Version: 3.95
>Number: 50841
>Category: toolchain
>Synopsis: MKREPRO: debug builds not reproducible
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: toolchain-manager
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Feb 23 15:30:00 +0000 2016
>Closed-Date: Thu Mar 03 15:37:51 +0000 2016
>Last-Modified: Thu Mar 03 15:37:51 +0000 2016
>Originator: Thomas Klausner
>Release: NetBSD 7.99.26
>Organization:
Curiosity is the very basis of education and if you tell me that
curiosity killed the cat, I say only that the cat died nobly.
- Arnold Edinborough
>Environment:
Architecture: x86_64
Machine: amd64
>Description:
Building twice with different source and obj dirs and MKREPRO set gives
slightly different files.
One example:
# diffoscope amd64.gcc.20160223/bin/ls amd64.gcc.20160223v2/bin/ls |less
--- amd64.gcc.20160223/bin/ls
+++ amd64.gcc.20160223v2/bin/ls
|-- objdump --disassemble --full-contents {}
| @@ -1422,15 +1422,15 @@
| 05b0 d2c4aeb0 786a07d9 6d1f91f7 24990c92 ....xj..m...$...
| 05c0 c59586c8 c22b551a ae0c3a38 86db6a6f .....+U...:8..jo
| 05d0 46d8bdb2 826dafe9 9748d765 c5f8c2ad F....m...H.e....
| 05e0 9735a71f ae525d39 993def72 c77fc31c .5...R]9.=.r....
| 05f0 9ff4e549 49efc9ae dc36462b dbfb1749 ...II....6F+...I
| 0600 bf4618 .F.
| Contents of section .gnu_debuglink:
| - 0000 6c732e64 65627567 00000000 4a1a935e ls.debug....J..^
| + 0000 6c732e64 65627567 00000000 30af7a9d ls.debug....0.z.
|
| Disassembly of section .init:
|
| 0000000000401140 <_init>:
| 401140: 48 83 ec 08 sub $0x8,%rsp
| 401144: e8 cc 04 00 00 callq 401615 <___start+0x16f>
| 401149: 48 83 c4 08 add $0x8,%rsp
|
>How-To-Repeat:
See above.
>Fix:
please.
>Release-Note:
>Audit-Trail:
From: Thomas Klausner <wiz@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: toolchain/50841: MKREPRO: debug builds not reproducible
Date: Thu, 3 Mar 2016 15:12:13 +0100
I've just re-tried with the latest source tree and couldn't reproduce
it.
Any ideas what could have fixed this?
Thomas
From: Christos Zoulas <christos@zoulas.com>
To: gnats-bugs@NetBSD.org
Cc: toolchain-manager@netbsd.org, gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org, Thomas Klausner <wiz@NetBSD.org>
Subject: Re: toolchain/50841: MKREPRO: debug builds not reproducible
Date: Thu, 3 Mar 2016 10:26:43 -0500
i could not reproduce it here...
State-Changed-From-To: open->closed
State-Changed-By: wiz@NetBSD.org
State-Changed-When: Thu, 03 Mar 2016 15:37:51 +0000
State-Changed-Why:
Let's close this for now, since noone can reproduce it.
>Unformatted:
(Contact us)
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