kern/146528: [zfs] Severe memory leak in ZFS on i386

Peter Maloney peter.maloney at brockmann-consult.de
Wed Jan 25 11:13:55 UTC 2012


I expected you would say it was much older, somewhere between April and
September last year. My amd64 systems (dual cpu quad core Xeon) with 48
GB of ram have no issues like this. And my amd64 test VMs with 512M-2GB
of RAM don't have this problem either, but of course they aren't tested
the same.



On 01/25/2012 12:00 PM, Michel Le Cocq wrote:
> I recently update 1 week maybe !
>
> Peter Maloney a écrit:
>> 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 at gmail.com>
>>>> To: bug-followup at FreeBSD.org, EdwinGuy at 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 at freebsd.org mailing list
>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
>>>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"


-- 

--------------------------------------------
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 at brockmann-consult.de
Internet: http://www.brockmann-consult.de
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