The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans , freebsd-gnats-sub...@freebsd.org
Cc: Klaus Weber
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Wed, 31 Jul 2013 18:18:59 +0200
--OgqxwSJOaUobr8KG
Content-Type
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Sun, 21 Jul 2013 19:42:15 +0200
Sorry for the late reply, did
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Klaus Weber
Cc: Bruce Evans , freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Sun, 21 Jul 2013 19:45:25 +0200
--AqsLC8rIMeq19msA
Content-Type
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 17 Jun 2013 02:17:16 +0200
On Mon, Jun 10, 2013 at 11:00
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 10 Jun 2013 18:38:19 +0200
Just a quick reply while I am
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Bruce Evans
To: Klaus Weber
Cc: freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 10 Jun 2013 11:00:29 +1000 (EST)
On Mon, 10 Jun 2013, Klaus Weber wrote
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 10 Jun 2013 01:07:21 +0200
Mime-Version: 1.0
Content
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Bruce Evans
To: Klaus Weber
Cc: freebsd-gnats-sub...@freebsd.org, freebsd-bugs@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Tue, 4 Jun 2013 07:09:59 +1000 (EST)
On Fri, 31 May 2013
On Fri, 31 May 2013, Klaus Weber wrote:
Sorry for the late reply, testing took longer than expected.
This is very interesting. It will take me a long time to complete
testing and replying too. Maybe more later.
(I have combined your replies from separate mails into one, and
reordered some
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Fri, 31 May 2013 18:31:50 +0200
Sorry for the late reply, testing took longer than expected.
(I have combined your replies from separate mails into one, and
reordered some of the text.)
On Tue, May 28, 2013 at 10:03:10PM +1000, Bruce Evans wrote:
> On Mon, 27 May 2013, Klaus Weber wrote:
> >On Mon, May 27, 2013 at 03:57:56PM +1
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Bruce Evans
To: Klaus Weber
Cc: Bruce Evans , freebsd-gnats-sub...@freebsd.org,
freebsd-bugs@FreeBSD.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Tue, 28 May 2013 22:03:10 +1000 (EST
On Mon, 27 May 2013, Klaus Weber wrote:
On Mon, May 27, 2013 at 03:57:56PM +1000, Bruce Evans wrote:
On Sun, 26 May 2013, Klaus Weber wrote:
Description:
During heavy disk I/O (two bonnie++ processes working on the same disk
simultaneously) causes an extreme degradation in disk throughput (co
First of all, thank you very much for looking into this, and for your
detailed explanations. Much appreciated.
On Mon, May 27, 2013 at 03:57:56PM +1000, Bruce Evans wrote:
> On Sun, 26 May 2013, Klaus Weber wrote:
> >>Description:
> >During heavy disk I/O (two bonnie++ processes working on the sa
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber
To: Bruce Evans
Cc: Klaus Weber ,
freebsd-gnats-sub...@freebsd.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 27 May 2013 20:57:32 +0200
The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Bruce Evans
To: Klaus Weber
Cc: freebsd-gnats-sub...@freebsd.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 27 May 2013 15:57:56 +1000 (EST)
On Sun, 26 May 2013
On Sun, 26 May 2013, Klaus Weber wrote:
Environment:
FreeBSD filepile 9.1-STABLE FreeBSD 9.1-STABLE #5 r250475: Sun May 12 19:14:21
CEST 2013 root@filepile:/usr/obj/usr/src/sys/FILEPILE amd64
(Kernel config has some drivers removed and debugging options added. Tested
with GENERIC as well
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