Date: Mon, 23 Jul 2012 14:26:17 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Clayton Milos" <clay@milos.co.za>, <freebsd-stable@freebsd.org> Subject: Re: ZFS causing panic Message-ID: <C0BC2F6C8901452CB386CE5A0712BC38@multiplay.co.uk> References: <00f701cd68d4$4a5dd030$df197090$@milos.co.za>
next in thread | previous in thread | raw e-mail | index | archive | help
----- Original Message -----
From: "Clayton Milos" <clay@milos.co.za>
> Hi guys
>
> I've had an issue for some time now. When I'm copying a lot of files over to
> ZFS usually using SMB it causes a panic and locks up the server.
> I'm running FreeBSD 9.0-RELEASE with a custom kernel. I've just pulled
> unnecessary drivers out of the config and added:
> cpu HAMMER
> device pf
> device pflog
> options DEVICE_POLLING
> options HZ=1000
>
> For full disclosure I am getting these errors in the syslog which means
> there's an ECC error occurring somewhere which I am trying to locate. I have
> replaced both of the CPU's and all of the RAM and am still getting it so
> perhaps the north bridge has bought the farm.
We have some similar HW here and we suspect either CPU or Northbridge too,
we where seeing day to day panics and a scrub would pretty much guarantee
a panic.
We also replaced the CPU's with no joy but found disabling the cores of
the CPU in the second socket made the issues go away so strengthening the
Northbridge theory.
Try disabling the cores with the following and see if it helps:-
/boot/loader.conf
hint.lapic.1.disabled="1"
hint.lapic.2.disabled="1"
Unfortunately if you have perceived corruption due to this type of issue
there's no guaranteeing what state your data is really in :(
Regards
Steve
================================================
This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it.
In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337
or return the E.mail to postmaster@multiplay.co.uk.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?C0BC2F6C8901452CB386CE5A0712BC38>