IRC chat logs for #ltsp on irc.libera.chat (webchat)
Channel log from 5 August 2015 (all times are UTC)
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| 07:40 | <vijay_> hi
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| 07:43 | i have a doubt
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| 07:45 | anyone there
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| 07:54 | <maldridge> vijay_: ask your question, someone will reply if thye know
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| 07:57 | work_alkisg is now known as alkisg | |
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| 09:33 | <alkisg> vagrantc, http://blog.gmane.org/gmane.linux.file-systems.union
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| 09:33 | overlayfs update for 4.2 ==> supposedly supports NFS as lower dir
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| 09:34 | So if it's working, we're ok for the next debian + ubuntu...
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| 10:22 | <alkisg> Meh. For once, I prefer the Ubuntu overlayfs patched implementation to the kernel's upstream implementation... it behaves much worse
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| 10:24 | <ogra_> we should just have kept aufs for another year until the dust has settled ;)
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| 10:24 | (yeah, i know, wouldnt help debian indeed :) )
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| 10:25 | <alkisg> The problem is in Ubuntu now, the kernel's overlayfs sucks so much it's impossible to have a cow view of a filesystem that contains submounts...
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| 10:25 | (e.g. for ltsp-cleanup)
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| 10:25 | While in 14.04, with the Ubuntu's patched implementation, it works fine...
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| 10:25 | (I'm testing in 15.10 now...)
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| 10:25 | <ogra_> ah
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| 10:58 | alkisg is now known as work_alkisg | |
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| 11:33 | <lauri> Hi, the LTSP on Ubuntu 15.04 and presumably also on Ubuntu 14.10 is not generating pxelinux.cfg/default
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| 11:33 | On Ubuntu 14.04 it works
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| 11:34 | <lauri> Besides manually generating the files is there an elegant fix?
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| 18:29 | <fbesl> Is there a way to put all image files onto the hd of a fat client and boot it (by grub) in ltsp-mode but without any network connection?
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| 19:30 | <work_alkisg> lauri: known issue, it was solved later on, maybe you can use the ltsp daily build ppa
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| 19:54 | <vmlintu> alkisg: what's the overlayfs problem you mentioned earlier?
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| 19:54 | <alkisg> !local-boot
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| 19:54 | <ltsp> local-boot: If you want LTSP fat clients on a low-speed network, you can put i386.img on e.g. C:\Boot\LTSP\i386.img and use this command line in pxelinux.cfg: APPEND ro initrd=ltsp/i386/initrd.img init=/sbin/init-ltsp root=/dev/sda1 rootflags=ro loop=/Boot/LTSP/i386.img; IPAPPEND 3
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| 19:55 | <alkisg> vmlintu: https://bugs.launchpad.net/ltsp/+bug/1352038
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| 19:55 | ltsp-pnp tries to create a cow view of the server's /
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| 19:56 | But if the server has e.g. /boot in a different partition, overlayfs can't merge those contents like previously... or like aufs can
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| 19:59 | <vmlintu> interesting.. I thought that the upstream overlayfs had the same features as the old patches..
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| 20:01 | <alkisg> It's also misbehaving a lot, with overlays showing as a child of themselves on certain conditions... while the previous patched ubuntu implementation doesn't have those issues
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| 20:02 | <vmlintu> hmm.. we are running 4.0.x kernels on some devices, but so far I haven't noticed any problems.. Maybe I need to dig this a bit..
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| 20:02 | <alkisg> Are you using ltsp-pnp with a separate /boot ?
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| 20:03 | (partition)
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| 20:03 | <vmlintu> no, we are not using ltsp-pnp, but chroots
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| 20:04 | Have there been problems on client devices with the new overlayfs?
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| 20:06 | <alkisg> I'm still on 12.04, so I'm not sure :)
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| 20:07 | <vmlintu> some new laptops don't work properly if you have anything older than 4.0
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| 20:08 | <alkisg> We're using the lts-trusty kernel, I haven't seen anything not working with that yet...
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| 20:08 | Are you sure 3.13 isn't enough, and 4.0 is needed?
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| 20:09 | <vmlintu> Had to update the intel xorg driver also to get those stable. 4.0 fixed a lot of suspend problems
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| 20:09 | <maldridge> 4.x fixes a ton of stuff on intel
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| 20:10 | <alkisg> Thanks, I'll keep that in mind
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| 20:10 | <vmlintu> all netbooting clients are running on 3.13 or 3.16 or something similar fine
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| 20:12 | The xorg intel driver in trusty is broken on Broadwell - if you drag something too big on the screen, it crashes
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| 20:13 | 15.04 has a working version
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