NetBSD Problem Report #38965
From christos@zoulas.com Mon Jun 16 23:31:53 2008
Return-Path: <christos@zoulas.com>
Received: from mail.netbsd.org (mail.netbsd.org [204.152.190.11])
by narn.NetBSD.org (Postfix) with ESMTP id B34FB63B8E3
for <gnats-bugs@gnats.NetBSD.org>; Mon, 16 Jun 2008 23:31:53 +0000 (UTC)
Message-Id: <20080616230517.25187287D@shiny.astron.com>
Date: Mon, 16 Jun 2008 19:05:17 -0400 (EDT)
From: christos@zoulas.com
Reply-To: christos@zoulas.com
To: gnats-bugs@gnats.NetBSD.org
Subject: tracing locking issue
X-Send-Pr-Version: 3.95
>Number: 38965
>Category: kern
>Synopsis: tracing locking issue
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: kern-bug-people
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Mon Jun 16 23:35:00 +0000 2008
>Closed-Date: Sat May 20 19:23:22 +0000 2017
>Last-Modified: Sat May 20 19:23:22 +0000 2017
>Originator: Christos Zoulas
>Release: NetBSD 4.99.64
>Organization:
Trying, Inc.
>Environment:
System: NetBSD shiny.astron.com 4.99.64 NetBSD 4.99.64 (SHINY) #160: Sun Jun 1 18:01:37 EDT 2008 christos@shiny.astron.com:/usr/src/sys/arch/i386/compile/SHINY i386
Architecture: i386
Machine: i386
>Description:
Tracing has locking problems.
Also strace has stopped working since proc_stop() does not
appear to stop the process anymore
>How-To-Repeat:
compile strace from pkgsrc and run 'ktrace strace /bin/ls'
>Fix:
>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: kern-bug-people->ad
Responsible-Changed-By: ad@NetBSD.org
Responsible-Changed-When: Tue, 17 Jun 2008 09:07:55 +0000
Responsible-Changed-Why:
take
State-Changed-From-To: open->feedback
State-Changed-By: ad@NetBSD.org
State-Changed-When: Sat, 13 Dec 2008 14:38:32 +0000
State-Changed-Why:
i can't reproduce this
is it still a problem for you?
State-Changed-From-To: feedback->open
State-Changed-By: christos@NetBSD.org
State-Changed-When: Sat, 20 Dec 2008 13:10:57 -0500
State-Changed-Why:
although the kernel does not crash anymore, strace /bin/ls does not work still.
From: Andrew Doran <ad@NetBSD.org>
To: gnats-bugs@NetBSD.org
Cc:
Subject: Re: kern/38965 (tracing locking issue)
Date: Sat, 20 Dec 2008 22:28:24 +0000
On Sat, Dec 20, 2008 at 06:10:59PM +0000, christos@NetBSD.org wrote:
> Synopsis: tracing locking issue
>
> State-Changed-From-To: feedback->open
> State-Changed-By: christos@NetBSD.org
> State-Changed-When: Sat, 20 Dec 2008 13:10:57 -0500
> State-Changed-Why:
> although the kernel does not crash anymore, strace /bin/ls does not work still.
Do you know if this is an strace problem or a NetBSD kernel problem?
Thanks,
Andrew
From: christos@zoulas.com (Christos Zoulas)
To: gnats-bugs@NetBSD.org, ad@NetBSD.org, gnats-admin@netbsd.org,
netbsd-bugs@netbsd.org
Cc:
Subject: Re: kern/38965 (tracing locking issue)
Date: Sat, 20 Dec 2008 19:26:42 -0500
On Dec 20, 11:50pm, ad@NetBSD.org (Andrew Doran) wrote:
-- Subject: Re: kern/38965 (tracing locking issue)
| The following reply was made to PR kern/38965; it has been noted by GNATS.
|
| From: Andrew Doran <ad@NetBSD.org>
| To: gnats-bugs@NetBSD.org
| Cc:
| Subject: Re: kern/38965 (tracing locking issue)
| Date: Sat, 20 Dec 2008 22:28:24 +0000
|
| On Sat, Dec 20, 2008 at 06:10:59PM +0000, christos@NetBSD.org wrote:
| > Synopsis: tracing locking issue
| >
| > State-Changed-From-To: feedback->open
| > State-Changed-By: christos@NetBSD.org
| > State-Changed-When: Sat, 20 Dec 2008 13:10:57 -0500
| > State-Changed-Why:
| > although the kernel does not crash anymore, strace /bin/ls does not work still.
|
| Do you know if this is an strace problem or a NetBSD kernel problem?
NetBSD kernel problem. proc_stop() I think does not stop the process anymore.
It used to work... I can write a simple PT_SYSCALL program if you want
a simpler test.
christos
Responsible-Changed-From-To: ad->kern-bug-people
Responsible-Changed-By: dholland@NetBSD.org
Responsible-Changed-When: Mon, 09 Apr 2012 05:57:09 +0000
Responsible-Changed-Why:
ad resigned, should not own PRs any more
State-Changed-From-To: open->feedback
State-Changed-By: dholland@NetBSD.org
State-Changed-When: Mon, 09 Apr 2012 05:57:09 +0000
State-Changed-Why:
is this actually still a problem these days?
State-Changed-From-To: feedback->closed
State-Changed-By: kamil@NetBSD.org
State-Changed-When: Sat, 20 May 2017 21:23:22 +0200
State-Changed-Why:
Fixed in current (again). There are ATF tests verifying further correctness.
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.39 2013/11/01 18:47:49 spz Exp $
$NetBSD: gnats_config.sh,v 1.8 2006/05/07 09:23:38 tsutsui Exp $
Copyright © 1994-2007
The NetBSD Foundation, Inc. ALL RIGHTS RESERVED.