Hi Peter In message <44CC0F7D.6070300@xxxxxxx> James Byrne <jbyrne@xxxxxxx> wrote: > Peter Bell wrote: > > My Iyo has been running perfectly well for over three and a half years. > > > > In the last week, the ethernet interface has been failing to start up > > properly in the morning when I power the machine up - no lights on the > > switch (a Netgear Gigabit device), and no connectivity (mail fetch or > > ping). > > > > I get the following from EKInfo when the system is in this state: > > > > : *ekinfo > > : EtherK device driver for Intel PRO/1000 network controllers, version 0.19 > > : DCI Version 4.05 > > : Supported network cards detected: 1 > > : > > : Unit 0 (location: Motherboard) > > : Ethernet address 00:09:95:00:11:00 > > : Link is up; 1000 Mbps Full Duplex is your switch a gigabit one? > > : Controller mode: Multicast, reject frames with errors > > : > > : Frame types claimed: > > : Ethernet 0800 (multicast) handler=(FC2E6610,FB407414) > > : Ethernet 0806 (normal) handler=(FC2E6610,FB407414) > > : Ethernet 8035 (normal) handler=(FC2E6610,FB407414) > > : > > : Hardware statistics summary: > > : TX frames 169 : RX frames 302 > > : TX bytes 19,088 : RX bytes 44,649 > > : TX errors 0 : RX errors 0 > > : > > : Driver statistics (only non-zero statistics are reported): > > : Frames received: 302 > > : Unwanted frames: 27 > > > > I'm puzzled at the hardware statistics, showing both TX and RX activity, > > when I appear to have no connectivity. > > > > A *rmreinit etherk gets everything up and running. what speed does that then show? and also, as James asked, what effect does resetting the switch or disconnecting/reconnecting the network cable have? > > > > Is this a sign of the psu starting to go out of spec? I also think unlikely.. but a quick check of the psu with a dmm might be illuminationg .. basically a 5v rail (red to black on a spare hdd connector) which shows less than 5.04v would suggest a power supply that is no longer behaving as it did when shipped. John > > Unlikely, the symptom you get in that case is that EtherK fails to > detect the Ethernet chip on the motherboard, which is not happening in > this case. > > > or... > > > > Is it a sign of a problem with the switch? Although all other > > ports appear to be working okay, perhaps I should try rebooting that > > next time. > > Yes, probably a good idea to try resetting the switch. The EtherK output > in your mail shows that as far as EtherK is concerned everything is OK. > The link is up, it's been detected as 1000BaseT, and the driver is > transmitting and receiving packets with no errors. > > As well as resetting the switch, I'd suggest swapping the Ethernet cable > in case it's faulty - sometimes it's the simple things that go wrong. If > you're convinced that the switch and cable are OK, try "*EKInfo -v" and > look at some of the more obscure statistics to see if they give any > hints of something amiss - the EtherK user guide file (which should be > somewhere on your hard disc) explains what they mean (to an extent). If > that doesn't get you anywhere, try forcing the link speed to 100M and > see if that helps. > > James > --- > To alter your preferences or leave the group, > visit //www.freelists.org/list/iyonix-support > Other info via //www.freelists.org/webpage/iyonix-support > -- > This email has been verified as Virus free > Virus Protection and more available at http://www.plus.net -- John Ballance jwb@xxxxxxxxxx --- To alter your preferences or leave the group, visit //www.freelists.org/list/iyonix-support Other info via //www.freelists.org/webpage/iyonix-support