[mythtv-users] wake-on-lan works after windows shutdown, but not after linux

[Ma Begaj]

2007/12/14, David Watkins <watkinshome at gmail.com>:
> On 14/12/2007, Ma Begaj <derliebegott at gmail.com> wrote:
> > Hi,
> >
> > I have a motherboard ASUS P5KC with Slackware 12 and XP. I have two
> > other Asus motherboards with Linux only (also Slackware), and
> > wake-on-lan works.
> >
> > When I shutdown from Windows, wake-on-lan is working without any
> > problems. but after I shutdown from Linux, there is no way to wake up
> > the box. Kernel is 2.6.23.1 (custom) and the ethernet adapter is using
> > module "atl1".
> >
> > lspci:
> > 02:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit
> > Ethernet Adapter (rev b0)
> >
> > ethtool's flag "g" is turned on:
> >
> > root at mythtv:/home/erol# ethtool eth0
> > Settings for eth0:
> >        Supported ports: [ TP ]
> >        Supported link modes:   10baseT/Half 10baseT/Full
> >                                100baseT/Half 100baseT/Full
> >                                1000baseT/Full
> >        Supports auto-negotiation: Yes
> >        Advertised link modes:  10baseT/Half 10baseT/Full
> >                                100baseT/Half 100baseT/Full
> >                                1000baseT/Full
> >        Advertised auto-negotiation: Yes
> >        Speed: 100Mb/s
> >        Duplex: Full
> >        Port: Twisted Pair
> >        PHYAD: 0
> >        Transceiver: internal
> >        Auto-negotiation: on
> >        Supports Wake-on: umbg
> >        Wake-on: umbg
> >        Link detected: yes
> >
> > I tried putting only "g" for Wake-on, it does not help. I read
> > somewhere about trying to use all flags ("umbg"), but that also does
> > not help.
> >
> >
> > Does someone have an idea what might be the cause for this problem?
> > BIOS cannot be the problem, because wake-on-lan is working from
> > Windows.
>
> I use wake-on-lan on Fedora FC6.
>
> For me, what stopped WOL working 'out of the the box' was that the
> init.d/halt script reset the ethernet interface on shutdown, turning
> off the 'g' flag.
>
> I got around it by editing the halt script to set the 'g' flag on
> again just before the end of the script.
>
> Since you have working 'Slackware' systems (where you presumably
> didn't have to do this hack) then this doesn't seem very likely to be
> your problem, but you never know!
>
> Have you tried using the power button the shut the machine down (not
> that this would be a solution but if it allows WOL to work it may give
> some clues to what's wrong)?


It is solved ... partly.

atl1 module has some problems with wake-on-lan in kernel 2.6.23.
2.6.22 and official atheros modules solved the problem.

thanks.

M.