Aw: Re: Wake on LAN don't work after upgrade to Edubuntu 14.04

[Julian Timm]

I have tried to use the old LTSP Images that was working fine on Edubuntu 12.04
with Edubuntu 14.04 (copied /opt/ltsp/ and /var/lib/tftpboot back and restarted the server),
but also with this image Wake On Lan don't work anymore.  
I hope this helps to find the problem.  

> Gesendet: Montag, 27. Oktober 2014 um 10:07 Uhr
> Von: "Julian Timm" <X-Dimension at gmx.net>
> An: "Edubuntu ML" <edubuntu-users at lists.ubuntu.com>
> Betreff: Aw: Re: Wake on LAN don't work after upgrade to Edubuntu 14.04
>
> Hi Alkis,
> 
> here is the output of "ethtool eth0":
> 
> --
> root at ubuntu:~# ethtool eth0
> Settings for eth0:
> 	Supported ports: [ TP MII ]
> 	Supported link modes:   10baseT/Half 10baseT/Full 
> 	                        100baseT/Half 100baseT/Full 
> 	                        1000baseT/Half 1000baseT/Full 
> 	Supported pause frame use: No
> 	Supports auto-negotiation: Yes
> 	Advertised link modes:  10baseT/Half 10baseT/Full 
> 	                        100baseT/Half 100baseT/Full 
> 	                        1000baseT/Full 
> 	Advertised pause frame use: Symmetric Receive-only
> 	Advertised auto-negotiation: Yes
> 	Link partner advertised link modes:  10baseT/Half 10baseT/Full 
> 	                                     100baseT/Half 100baseT/Full 
> 	                                     1000baseT/Full 
> 	Link partner advertised pause frame use: No
> 	Link partner advertised auto-negotiation: Yes
> 	Speed: 1000Mb/s
> 	Duplex: Full
> 	Port: MII
> 	PHYAD: 0
> 	Transceiver: internal
> 	Auto-negotiation: on
> 	Supports Wake-on: pumbg
> 	Wake-on: g
> 	Current message level: 0x00000033 (51)
> 			       drv probe ifdown ifup
> 	Link detected: yes
> --
> 
> This is a Shuttle DS437 Client with 2x Realtek RTL8111G.
> The LTSP image i'm using here is freshly created by doing 
> "ltsp-build-image --arch i386", and has only the epoptes-client
> as extra package in it.  
> 
> The Zotac ZBox nano is working fine now with this image, but the
> Shuttle DS437 don't start.
>  
> 
> > Gesendet: Dienstag, 21. Oktober 2014 um 08:09 Uhr
> > Von: "Alkis Georgopoulos" <alkisg at gmail.com>
> > An: edubuntu-users at lists.ubuntu.com
> > Betreff: Re: Wake on LAN don't work after upgrade to Edubuntu 14.04
> >
> > What's the output of `ethtool eth0` when you run it locally on the
> > client as root?
> > 
> > On 20/10/2014 06:55 μμ, Julian Timm wrote:
> > > 
> > > Hi
> > > I have updated our Edubuntu LTSP Server from 12.04 to 14.04 today, but now wake on LAN don't work anymore.
> > > I had this problem with every Edubuntu version before and on every version there was another solution to fix this.
> > > On an older Edubuntu Version i used a ltsp-shudown.conf file that forces "poweroff -fp" to shutdown the clients.
> > > On Edubuntu 12.04 i must use this file http://bazaar.launchpad.net/~ltsp-upstream/ltsp/ltsp-trunk/view/head:/client/share/ltsp/nbd-disconnect
> > > in combination with the Realtek r8168-dkms driver.
> > > But using the r8168-dkms driver and the nbd-disconnect file don't fix this problem on Edubuntu 14.04.
> > > Edubuntu 14.04 also shuts down our fat clients (Zotac ZBox / Shuttle DS437) much faster than Edubuntu 12.04 did it. So maybe it uses another way to shutdown the clients and thats why the Realtek network card is completly powered off and don't react on WOL requests?
> > > 
> > > Does anybody knows a solution for our wake on LAN Problem? Is there maybe a way to use an other shutdown procedure to fix it?
> > > 
> > > Thx for help :)
> > >  
> > > 
> > 
> > 
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