Date: Mon, 29 Nov 2010 09:54:07 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Andrew Moran <amoran@forsythia.net>, freebsd-questions@freebsd.org Subject: Re: msk0 interface stops working when downloading Message-ID: <201011290954.07958.jhb@freebsd.org> In-Reply-To: <7EA93980-478A-418A-8FB1-3249097A7011@forsythia.net> References: <7EA93980-478A-418A-8FB1-3249097A7011@forsythia.net>
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On Tuesday, November 23, 2010 6:25:06 pm Andrew Moran wrote: > > Hey guys, > > After banging my head against this for a few hours, I've decided to ask for help. I installed FreeBSD 8.1 amd64 on a Shuttle J1 4100 system (tech specs here http://us.shuttle.com/J1_4100.aspx). I installed from DVD and the install went fine. > > I notice when I pkg_add -r anything, the network stops responding. > > Some details: > > 1) I can reproduce it 100% by downloading a large file. low traffic like the SSH connection does not trigger it. I think it's being triggered by traffic above a certain rate. > 2) I can recover by restarting the network interfaces (/etc/rc.d/netif stop; /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=0 > net.inet.tcp.inflight.enable=0 > > and in /boot/loader.conf: > hw.pci.enable_msix="0" > hw.pci.enable_msi="0" > hw.bce.tso_enable="0" > > But the problem persists. > > The interface is identified as: > > mskc0: <Marvell Yukon 88E8057 Gigabit Ethernet> port 0xe800-0xe8ff mem 0xfebfc000-0xfebfffff irq 17 at device 0.0 on pci2 > msk0: <Marvell Technology Group Ltd. Yukon Ultra 2 Id 0xba Rev 0x00> on 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, 1000baseT-FDX, auto > mskc0: [ITHREAD] 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. I've only had this problem with a gigE switch, it works fine for me on a 10/100 switch. -- John Baldwin
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