Date: Thu, 02 Feb 2006 11:15:51 +0100 From: Michal Mertl <mime@traveller.cz> To: Scott Long <scottl@samsco.org> Cc: freebsd-current@freebsd.org Subject: Re: em(4) stops forwarding Message-ID: <1138875351.1807.12.camel@genius.i.cz> In-Reply-To: <43E0FE09.50804@samsco.org> References: <1138813174.1358.34.camel@genius.i.cz> <43E0FE09.50804@samsco.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Scott Long wrote: > Michal Mertl wrote: > > Hello, > > > > I've been running CURRENT for long time and never experienced problem > > with the built-in em(4) card before. Recently (I first noticed it on Jan > > 24) the card has stopped working several times. Nothing gets into the > > log file. Carrier is still detected properly but no data is exchanged. > > Ifconfig up/down doesn't help but kldunload/load does. When I run > > tcpdump I don't see any packet coming in but I see some outgoing. > > > > Can someone suggest what to look at when it happens the next time? I > > have DDB compiled in. I will try to sniff the wire using another machine > > next time to see if the card sends out anything. > > > > The command 'pciconf -lv' says about the card this: > > em0@pci2:1:0: class=0x020000 card=0x05491014 chip=0x101e8086 rev=0x03 > > hdr=0x00 > > vendor = 'Intel Corporation' > > device = '82540EP Gigabit Ethernet Controller (Mobile)' > > class = network > > subclass = ethernet > > > > The dmesg: > > em0: <Intel(R) PRO/1000 Network Connection Version - 3.2.18> port > > 0x8000-0x803f mem 0xc0220000-0xc023ffff,0xc0200000-0xc020ffff irq 11 at > > device 1.0 on pci2 > > em0: Ethernet address: 00:0d:60:cd:ae:e2 > > em0: [FAST] > > > > The interrupt is shared since the machine is a notebook. I don't know if > > it was just a coincidence but I think that it happened at the same time > > as my USB mouse stopped working - the USB controller is on the same irq. > > > > Michal > > > > What is sharing the interrupt? vgapci0, ipw0, ehci0, uhci0-2. I don't think vgapci0 and ipw0 are really using the interrupt when I use em0. > > Scott > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?1138875351.1807.12.camel>