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Date:      Wed, 25 Jan 2012 12:44:02 +0100
From:      Peter Maloney <peter.maloney@brockmann-consult.de>
To:        freebsd-fs@freebsd.org
Subject:   Re: kern/146528: [zfs] Severe memory leak in ZFS on i386
Message-ID:  <4F1FEB02.2080202@brockmann-consult.de>
In-Reply-To: <4F1FDDF8.6020300@my.gd>
References:  <201110091940.p99JeJIc095036@freefall.freebsd.org>	<20120125084040.GA2831@e4310>	<4F1FD252.4090403@brockmann-consult.de> <4F1FDDF8.6020300@my.gd>

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When I built mine, my goal was to be able to rebuild the same thing I
tested later on a different machine, so I used a specific date in my
supfile:
*default date=2011.09.27.00.00.00

But you can also do:
# uname -a
FreeBSD bcnas1.bc.local 8.2-STABLE FreeBSD 8.2-STABLE #0: Thu Sep 29
15:06:03 CEST 2011    
root@bcnas1.bc.local:/usr/obj/usr/src/sys/GENERIC  amd64

Which as you can see, tells you a time somewhere around the csup'd
version (Sept 27), but it is actually the build time (probably 'make
buildkernel').

I am not sure what it would say for something you get from an iso (would
it be a week after the release tag the day it was built, or the tag
date, etc.). But if you install a snapshot, such as the
8.2-STABLE-201105 iso you can find on ftp, it says 8.2-STABLE-201105
instead of 8.2-STABLE.

Peter


On 01/25/2012 11:48 AM, Damien Fleuriot wrote:
> Hijacking thread quickly.
>
> How do you guys usually check your build/csup date on -stable and such ?
>
> I guess I'd go with the latest kernel build date, but there may be
> better ways.
>
>
> On 1/25/12 10:58 AM, Peter Maloney wrote:
>> When was your 8.2-STABLE built / csup'd?
>>
>> Peter
>>
>>
>> On 01/25/2012 09:40 AM, Michel Le Cocq wrote:
>>> Hi every body, I upgrade my Freebsd 8.2-STABLE i386 to 9.0 i386.
>>>    Intel(R) Atom(TM) CPU D510   @ 1.66GHz
>>>    real memory  = 4294967296 (4096 MB)
>>>    avail memory = 3127390208 (2982 MB)
>>>
>>> I'm on a ZFS Root file systeme on 2 USB drive and 6 sata drive for
>>> data. 
>>>
>>> 	# zpool list
>>> 	NAME    SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
>>> 	data    931G   254G   677G    27%  1.00x  ONLINE  -
>>> 	stock  74.5G  12.4G  62.1G    16%  1.00x  ONLINE  -
>>> 	tank    696G   574G   122G    82%  1.00x  ONLINE  -
>>> 	zroot  3.66G  2.49G  1.17G    67%  1.00x  ONLINE  -
>>>
>>> Before upgrade, I must use some mana things in my /boot/loader.conf
>>>
>>> 	vm.kmem_size="330M"
>>> 	vm.kmem_size_max="330M"
>>> 	vfs.zfs.arc_max="40M"
>>> 	vfs.zfs.vdev.cache.size="5M"
>>> 	
>>> With this config my server was not so stable.
>>>
>>> Some days it work perfectly, some others it freeze with kmem_malloc
>>> kmem_map too small. 
>>> Without this mana it freeze really often.
>>>
>>> The thing which make me upgrade is that after one of this crash after
>>> reboot it won't mount my data pool which was at 99% of his CAP. The
>>> only way I find to boot is to disconnect the pools drive and export
>>> it.
>>>
>>> Now I'm on exactly the same host after upgrade to 9.0 and it seems to
>>> work really really better (3 days up with out any trouble).
>>>
>>> --
>>> M
>>>
>>> Garrett Cooper a écrit:
>>>> The following reply was made to PR kern/146528; it has been noted by GNATS.
>>>>
>>>> From: Garrett Cooper <yanegomi@gmail.com>
>>>> To: bug-followup@FreeBSD.org, EdwinGuy@GMail.com
>>>> Cc:  
>>>> Subject: Re: kern/146528: [zfs] Severe memory leak in ZFS on i386
>>>> Date: Sun, 9 Oct 2011 12:34:00 -0700
>>>>
>>>>  Could you please try upgrading to 8.2-STABLE or 9.0 and see if the
>>>>  issue persists with ZFS v28?
>>>>  -Garrett
>>>> _______________________________________________
>>>> freebsd-fs@freebsd.org mailing list
>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
>>>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
>>
> _______________________________________________
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-- 

--------------------------------------------
Peter Maloney
Brockmann Consult
Max-Planck-Str. 2
21502 Geesthacht
Germany
Tel: +49 4152 889 300
Fax: +49 4152 889 333
E-mail: peter.maloney@brockmann-consult.de
Internet: http://www.brockmann-consult.de
--------------------------------------------




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