Incomplete shutdown on some LTSP clients (shutdown hangs/freezes)

[Yorvyk]

On 06/09/12 00:39, John Hupp wrote:
>
> On 9/5/2012 6:30 PM, Yorvyk wrote:
>> On 05/09/12 22:56, John Hupp wrote:
>>> VERY intriguing.
>>>
>>> Anyone know how to set an equivalent parameter for LTSP clients?
>>>
>>> [Marco Muller posted to the LTSP a solution that did not work for him.
>>> See
>>> http://www.mail-archive.com/ltsp-discuss@lists.sourceforge.net/msg40651.html,
>>>
>>> but he reports that he edited
>>>          /var/lib/tftpboot/ltsp/amd64/pxelinux.cfg/default
>>> to add
>>>          append ro initrd=initrd.img root=/dev/nbd0 init=/sbin/init-ltsp
>>> quiet splash acpi=force plymouth:force-splash vt.handoff=7
>>> nbdroot=:ltsp_amd64
>>> and nobody posted a reply.]
>>>
>>> And in connection with that configuration question (OK, I'm really
>>> showing my newbie stripes here), how do I verify whether ACPI is
>>> running?
>>>
>> >
>> Look in /var/log/dmesg for 'ACPI: Disabling ACPI support'.  If you see
>> this it is NOT running, otherwise you should see lots of messages like
>> this:
>>
>> [    0.071264] ACPI: Added _OSI(Module Device)
>> [    0.071268] ACPI: Added _OSI(Processor Device)
>> [    0.071271] ACPI: Added _OSI(3.0 _SCP Extensions)
>> [    0.071274] ACPI: Added _OSI(Processor Aggregator Device)
>> [    0.072303] ACPI: EC: Look up EC in DSDT
>> [    0.073469] ACPI: Executed 3 blocks of module-level executable AML
>> code
>> [    0.076122] ACPI: Interpreter enabled
>> [    0.076145] ACPI: (supports S0 S1 S4 S5)
>> [    0.076174] ACPI: Using IOAPIC for interrupt routing
> OK, I can see how that would work on a standalone desktop or on an LTSP
> terminal server.
>
> But my main problem here is with the terminal clients.  And if I look at
> dmesg on a client, isn't that just going to tell me if ACPI is running
> on the server?  Or is ACPI running on the server supposed to support
> turning off client machines?  (And if the latter is the case, then
> adding acpi=force in Grub might be all I need?)
 >
I'm currently setting up an LTSP network and will try a few things out 
as it's a while since I did anything with LTSP.