Thinus Viljoen wrote: > Hi > > My setup is as follows: > > Network 1: PC1 (eth0) is connected to PC2 (eth0)
> Network 2: PC2 (eth1) is connected to PC3 (eth0) > All eth devices use the e1000 driver. (Version 7.2.9, from Intel's > website) > > Network 1 is used for user interfacing, and will always be standard > Ethernet. > > Network 2 can switch between standard Ethernet and RTnet. (RTnet is > used for operations, standard Ethernet for software updates etc.). > PC2 functions as a gateway when both networks are configured as > standard Ethernet. > > After bootup both networks are standard Ethernet, and everything > seems OK. For a while after I switch Network 2 to RTnet everything > seems ok, but after about 73 seconds the inet address of PC2's eth0 > changes from 172.0.0.3 to 172.17.101.138 for a second or so, and then > eth0 goes totally down. (I have no idea where this "172.17.101.138" > comes from). Network 2 (RTnet) still functions. Nice weird bug... > > If I then manually bring PC2's eth0 back up, everything works OK > again. > > The same happens when I switch Network 2 from RTnet to standard > Ethernet. > > "dmesg" doen't give any info when this happens. Does anybody know wat > the issue can be, or at least places where I can look for the > problem? Is it perhaps the sequence of events that is somehow wrong? > > I have attached the script which switches Network 2 from Ethernet to > RTnet. Try to remove as much RTnet as possible from your scenario to trigger this. Does it require to load rt_e1000? Does it take RTnet at all? Does this happen over a vanilla kernel? Jan
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