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

[Yorvyk]

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