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Date:      Wed, 28 Nov 2007 15:18:55 +0100
From:      Martin Matuska <mm@FreeBSD.org>
To:        pyunyh@gmail.com
Cc:        freebsd-stable@FreeBSD.org
Subject:   Re: re(4) lockups on a MSI K9AG Neo2-Digital (7.0-BETA3 amd64)
Message-ID:  <474D78CF.6040602@FreeBSD.org>
In-Reply-To: <20071126092457.GE1025@cdnetworks.co.kr>
References:  <474A7F83.7080900@FreeBSD.org> <20071126092457.GE1025@cdnetworks.co.kr>

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Your patch makes this network card interesting. It is now working faster
and saving more resources :-) I hope it will find it's way at least into
-CURRENT

The locukups might have been solved by your patch or by:
http://lists.freebsd.org/pipermail/cvs-src/2007-November/084247.html

Anyway, I have now 2 days uptime without any network-card or storage
problems at all.

Pyun YongHyeon schrieb:
> On Mon, Nov 26, 2007 at 09:10:43AM +0100, Martin Matuska wrote:
>  > Hi,
>  > 
>  > I am using a MSI K9AG Neo2-Digital (MS-7368) mainboard with 7.0-BETA3 in
>  > amd64 mode at a german dedicated server provider.
>  > The mainboard has a onboard re(4) ethernet controller. I experience a
>  > very strange behaiviour:
>  > 
>  > When there are large transfers on the onboard SATA controller the re(4)
>  > controller starts to have packet loss.
>  > 
>  > This packet loss does not stop when there is no more load on ata(4).
>  > With another high load (like doing a full-system backup) the packet loss
>  > keeps increasing up to 90% and more - the system is not accesible over
>  > the internet anymore, packets get lost, SSH sessions or http requests
>  > get stale, I have to restart the system.
>  > 
>  > I experience no kernel panics. Another (maybe related) problem that
>  > occurs (but does not effect system responsiveness) is described in:
>  > http://lists.freebsd.org/pipermail/freebsd-current/2007-November/080525.html
>  > 
>  > Here is some information about the system:
>  > 
>  > dmesg (boot -v):
>  > http://test.vx.sk/MS-7368/dmesg.txt
>  > 
>  > pciconf -lcv:
>  > http://test.vx.sk/MS-7368/pciconf.txt
>  > 
>  > dmidecode:
>  > http://test.vx.sk/MS-7368/dmidecode.txt
>  > 
>  > I don't understand why this happens and would like to help debugging
> 
> Me either. I have a WIP version that fixes other issues on re(4) but
> I'm not sure whether it mitigates your issue. The overhauled re(4)
> supports larger descriptors(256 instead of 64) and TSO.
> http://people.freebsd.org/~yongari/re/if_re.c
> http://people.freebsd.org/~yongari/re/if_rlreg.h
> 
>  > this issue.
>  > 
> 



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