Steve, Had very similar issues with 10.04 and they were fixed by applying the patch. Here were my steps:
chroot /opt/ltsp/fati386 patch -p1 < disable-nbd-proxy.patch chroot /opt/ltsp/fati386 update-initramfs -u ltsp-update-kernels ltsp-update-image -b /opt/ltsp -a fati386 -Nick On Mon, Aug 9, 2010 at 9:51 AM, Rippl, Steve <[email protected]>wrote: > Hi, > > We're having great difficulty getting all clients in an LTSP lab to > boot up consistently, it appears to be related to the new nbd-proxy? > Here's the report our tech that builds the LTSP servers for us gave > me... > > > ===== > When 2 or more switches are between client and server a failure to boot > occurs before launching LDM about %50 of the time. The frequency of the > failure to boot is reduced by being connected to the server with only > one intermediate switch but does not go away completely. The following > bugs seem to reference the same problem and indicate that it is > nbd-proxy that is falling down during the boot process. > > https://bugs.launchpad.net/ubuntu/+source/ltsp/+bug/604314 > https://bugs.launchpad.net/ltsp/+bug/589034 > > The latter of these references a patch that when applied disables the > activation of the nbd-proxy during the client setup process. My success > rate for booting clients after applying this patch rises to about %70. > Load seems to effect this condition adversely as well as speed and > duplex transitions such as many 10/100 clients connecting to a server > attached to a gigabit port. The clients in question are Atom based and > include gigabit ethernet ports but are connected to 10/100 ports in the > classroom. Switches being used include HP Pro-curve edge products as > well as a variety of unmanaged 10/100 5-8 port switches. > ===== > > We had none of these problems in 9.04. > > Are any of the developers listening on this aware of this and possibly > working on it? I have posted our experiences on Launchpad, but > there's no indication of anything happening. School starts here in > about 4 weeks and this is bad enough that we're considering rolling > back to 9.04. There are nice new features in 10.04 I'd like to give > folks access to, but I don't want folks to have to reboot clients > multiple times to get them to come up... > > Thanks, > Steve > > -- > Steve Rippl > Technology Director > Woodland Public Schools > 360 225 9451 x326 > > -- > edubuntu-users mailing list > [email protected] > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/edubuntu-users > -- Nick Fenger -Information Technology Trillium Charter School 5420 N. Interstate Ave Portland, OR 97217 (503) 285-3833 http://www.trilliumcharterschool.org
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