Date: Wed, 13 Apr 2005 11:26:53 +0000 From: Jaimie Garner <jaimie@onsitepcs.net> To: freebsd-stable@freebsd.org Subject: Re: Problems with NIC Message-ID: <200504131126.53450.jaimie@onsitepcs.net> In-Reply-To: <20050413161556.GA82955@slackbox.xs4all.nl> References: <200504130550.27484.jaimie@onsitepcs.net> <20050413161556.GA82955@slackbox.xs4all.nl>
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How about disable USB altogether since it is not used on this machine. Thanks for the info On Wednesday 13 April 2005 16:15, Roland Smith wrote: > On Wed, Apr 13, 2005 at 05:50:27AM +0000, Jaimie Garner wrote: > > This just started happing this evening not sure what is up. The nic > > is a Linksys LNE 100 V 4.something I forget now. I had some weird > > errors a while back when I first installed 5.3-RELEASE but i disabled > > ACPI and they seemed to work fine. > > > > Here is some info > > dc0: <ADMtek AN985 10/100BaseTX> port 0x1000-0x10ff mem > > 0xfc001000-0xfc0013ff irq 9 at device 12.0 on pci0on pci0 > > miibus0: <MII bus> on dc0i0 > > ukphy0: <Generic IEEE 802.3u media interface> on miibus0 > > ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > > dc0: Ethernet address: 00:03:6d:16:09:1e > > dc0: if_start running deferred for Giant > > dc0: [GIANT-LOCKED] > > > > This looks odd especaly this: > > Interrupt storm detected on "irq9: dc0 ohci0"; throttling interrupt > > source > > Looks like the USB bus (ohci0) and your network card are sharing an > interrupt line. My guess would be that a USB device generates too much > interrupts causing the kernel to throttle them. This then screws up the > network. > > According to polling(4), the dc driver supports polling instead of using > an interrupt line. You could try rebuilding the kernel with polling > support and see if the problem goes away. > > Or you could disable ohci0 in the bios, or plug the offending USB device > into another port. > > Or you could try to force the dc triver to use another interrupt > line. See the acpi manual page and google for 'irq routing freebsd'. I > _think_ you should do the following: 'ps -xa|grep irq' will show which > irq's are free. Let's say that irq 10 is still free. Now you'd have to > find the pci address of the network card with 'pciconf -l -v|grep dc0'. > Let's say you get something like 'dc0@pci0:11:0' You can now tune the > interrupt by setting the following in /boot/device.hints: > > hw.acpi.pci.link.0.11.0.irq=10 > > HTH, > > Roland -- Jaimie Garner Onsite PCS inc. 323 SE RIverside AV Grants Pass, OR 97526 541.471.1343 866.471.1343 jaimie@onsitepcs.net www.onistepcs.net
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