On 1/20/2013 12:31 PM, Charles Steinkuehler wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 1/19/2013 8:57 AM, Charles Steinkuehler wrote: >> I've setup Michael Haberler's network booting of my BeagleBone, and >> I seem to be having the same network crashing on DHCP lease >> renewal issue others have seen. >> >> Has anyone identified and resolved the issue, or just worked around >> it? > Update: > Given the way the system behaved, I suspected an issue with dhcp lease > renewal, which appears to be the case. > > I created a new SD card with Michael's TFTP/NFS boot partition, but > with the rootfs on a second partition (unused by default). > > Once the system network booted, I logged in via ssh and started a > simple while loop (running 'uptime' every 5 seconds). In the > USB/serial console, I mounted the SD card rootfs and chrooted to it.
Neat trick, Charles. Wish I'd thought of it! > After a bit more than 4 minutes, the network went down, taking my ssh > console with it. The chroot was still alive, and showed that eth0 no > longer had an IP address. Manually assigning an IP address to eth0 > restored full functionality, even the ssh terminal came back alive, > although it 'skipped' several of the 5-second intervals when it was > blocked waiting for the network. Slick. > I suspect this may be an Ubuntu issue, but regardless it does not > appear to be a fundamental problem with the ARM kernel or the 'Bone. > > I have not yet tried to debug the lease renewal problem. First I'll > probably see if a Debian install behaves the same way. If so, I'll > likely try to get to the bottom of the problem. If not, I'll chalk it > up to those wacky Ubuntu folks, and go back to Debian (or work-around > the issue by running off the SD card if I need to stick with Ubuntu). Alas, the only other build I have tried was based on Ubuntu Qantal---not exactly a different code base. Those wacky Ubuntu folks...well...yeah...but I prefer to say those wacky Linux guys. Every distribution contains questionable code. And please disregard what I said last night about getting around the problem by using NFS rather than TFTP to load the kernel. I must have accidentally rebooted a different configuration. (Note to self: stop trying to be productive after midnight!) I hate adding to the world supply of red herrings. Sorry. Regards, Kent ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnmore_123012 _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
