NetBSD Problem Report #53048

From gson@gson.org  Fri Feb 23 08:50:53 2018
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Date: Fri, 23 Feb 2018 10:50:39 +0200 (EET)
From: gson@gson.org (Andreas Gustafsson)
Reply-To: gson@gson.org (Andreas Gustafsson)
To: gnats-bugs@NetBSD.org
Subject: timeleft__lwp_park test case fails
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>Number:         53048
>Category:       lib
>Synopsis:       timeleft__lwp_park test case fails
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    christos
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Feb 23 08:55:01 +0000 2018
>Closed-Date:    Thu Jan 17 11:13:12 +0000 2019
>Last-Modified:  Thu Jan 17 11:13:12 +0000 2019
>Originator:     Andreas Gustafsson
>Release:        NetBSD-current, source date >= 2017.12.08.01.19.29
>Organization:

>Environment:
System: NetBSD
Architecture: x86_64
Machine: amd64
>Description:

The timeleft__lwp_park test case of the t_timeleft test has
failed in almost every run the TNF testbed since it was added on
2017.12.08.01.19.29, on at least amd64 and i386.  For example:

  http://releng.netbsd.org/b5reports/amd64/2018/2018.02.22.05.23.55/test.html#kernel_t_timeleft_timeleft__lwp_park

This is not a qemu timing issue, because it has also failed in almost
every run on my own amd64 testbed using physical hardware, for
example:

  http://www.gson.org/netbsd/bugs/build/amd64-baremetal/2018/2018.02.18.15.29.29/test.html#kernel_t_timeleft_timeleft__lwp_park

>How-To-Repeat:

Inspect test logs.

>Fix:

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: lib-bug-people->christos
Responsible-Changed-By: gson@NetBSD.org
Responsible-Changed-When: Fri, 23 Feb 2018 09:00:50 +0000
Responsible-Changed-Why:
Over to committer.


From: Andreas Gustafsson <gson@NetBSD.org>
To: christos@NetBSD.org
Cc: gnats-bugs@NetBSD.org
Subject: Re: lib/53048 (timeleft__lwp_park test case fails)
Date: Sun, 13 Jan 2019 16:49:18 +0200

 Christos,

 Could you please have a look at this long-standing test failure?  It
 is now the only remaining test case that unexpectedly fails in 100% of
 test runs on real amd64 hardware.
 -- 
 Andreas Gustafsson, gson@NetBSD.org

From: christos@zoulas.com (Christos Zoulas)
To: Andreas Gustafsson <gson@NetBSD.org>
Cc: gnats-bugs@NetBSD.org
Subject: Re: lib/53048 (timeleft__lwp_park test case fails)
Date: Sun, 13 Jan 2019 10:37:36 -0500

 On Jan 13,  4:49pm, gson@NetBSD.org (Andreas Gustafsson) wrote:
 -- Subject: Re: lib/53048 (timeleft__lwp_park test case fails)

 | Christos,
 | 
 | Could you please have a look at this long-standing test failure?  It
 | is now the only remaining test case that unexpectedly fails in 100% of
 | test runs on real amd64 hardware.

 Should be fixed now.

 christos

State-Changed-From-To: open->closed
State-Changed-By: gson@NetBSD.org
State-Changed-When: Thu, 17 Jan 2019 11:13:12 +0000
State-Changed-Why:
The test has now passed nine times in a row, so looks like it is fixed.  Thank you Christos!


>Unformatted:

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