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Date:      Thu, 2 Dec 2010 22:10:57 -0800
From:      Andrew Moran <amoran@forsythia.net>
To:        Gary Gatten <Ggatten@waddell.com>, John Baldwin <jhb@freebsd.org>
Cc:        freebsd-current@freebsd.org, freebsd-questions@freebsd.org
Subject:   Re: msk0 interface stops working when downloading
Message-ID:  <D8C68B2B-7D64-42DE-8C91-8E3F978BE467@forsythia.net>
In-Reply-To: <9549_1291057382_4CF3F8E6_9549_238_1_D9B37353831173459FDAA836D3B43499A7AF8D81@WADPMBXV0.waddell.com>
References:  <7EA93980-478A-418A-8FB1-3249097A7011@forsythia.net> <201011290954.07958.jhb@freebsd.org> <9549_1291057382_4CF3F8E6_9549_238_1_D9B37353831173459FDAA836D3B43499A7AF8D81@WADPMBXV0.waddell.com>

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Good to know about the GB switch vs 100MB switch.=20

But rather than downgrade my switch, I went ahead and bought a NIC and =
installed it and will just ignore the onboard Marvel one until it =
someday works :)=20

--Andy

On Nov 29, 2010, at 11:03 AM, Gary Gatten wrote:

>=20
>=20
> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org =
[mailto:owner-freebsd-questions@freebsd.org] On Behalf Of John Baldwin
> Sent: Monday, November 29, 2010 8:54 AM
> To: freebsd-current@freebsd.org
> Cc: Andrew Moran; freebsd-questions@freebsd.org
> Subject: Re: msk0 interface stops working when downloading
>=20
> On Tuesday, November 23, 2010 6:25:06 pm Andrew Moran wrote:
>>=20
>> Hey guys,
>>=20
>> After banging my head against this for a few hours, I've decided to =
ask for=20
> help.      I installed FreeBSD 8.1 amd64 on a Shuttle J1 4100 system =
(tech=20
> specs here http://us.shuttle.com/J1_4100.aspx).   I installed from DVD =
and the=20
> install went fine.
>>=20
>> I notice when I pkg_add -r anything,  the network stops responding.=20=

>>=20
>> Some details:
>>=20
>> 1) I can reproduce it 100% by downloading a large file.     low =
traffic like=20
> the SSH connection does not trigger it.   I think it's being triggered =
by=20
> traffic above a certain rate.=20
>> 2) I can recover by restarting the network interfaces =
(/etc/rc.d/netif stop; =20
> /etc/rc.d/netif start)
>> 3) I see no errors in dmesg or /var/log/messages.  Nothing at all.
>> 4) I've tried the following in /etc/sysctl.conf:
>> net.inet.tcp.tso=3D0
>> net.inet.tcp.inflight.enable=3D0
>>=20
>> and in /boot/loader.conf:
>> hw.pci.enable_msix=3D"0"
>> hw.pci.enable_msi=3D"0"
>> hw.bce.tso_enable=3D"0"
>>=20
>> But the problem persists.
>>=20
>> The interface is identified as:
>>=20
>> mskc0: <Marvell Yukon 88E8057 Gigabit Ethernet> port 0xe800-0xe8ff =
mem=20
> 0xfebfc000-0xfebfffff irq 17 at device 0.0 on pci2
>> msk0: <Marvell Technology Group Ltd. Yukon Ultra 2 Id 0xba Rev 0x00> =
on=20
> mskc0
>> msk0: Ethernet address: 80:ee:73:01:60:7d
>> miibus0: <MII bus> on msk0
>> e1000phy0: <Marvell 88E1149 Gigabit PHY> PHY 0 on miibus0
>> e1000phy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, =
1000baseT,=20
> 1000baseT-FDX, auto
>> mskc0: [ITHREAD]
>=20
> When I've seen this on my netbook I did a tcpdump on another machien =
on the=20
> same hub and found that my msk0 device was spewing an endless stream =
of pause=20
> frames.  I've only had this problem with a gigE switch, it works fine =
for me=20
> on a 10/100 switch.
>=20
> --=20
> John Baldwin
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to =
"freebsd-questions-unsubscribe@freebsd.org"
>=20
>=20
> " When I've seen this on my netbook I did a tcpdump on another machien =
on the same hub and found that my msk0 device was spewing an endless =
stream of pause frames. "
>=20
> If there's an option to disable Ethernet flow control, (commonly used =
on Gig stuff) perhaps disabling it will prevent the unwanted "spewing".  =
Unwaanted spewing is always bad.
>=20
>=20
>=20
>=20
>=20
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>=20




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