[Bug 53052] Laptop powers-off unexpectedly

[Chris]

Public bug reported:

Working on a Toshiba A-75, ATI internals
lspci
http://cantormath.com/lspci.txt
lshw.txt
http://cantormath.com/lshw.txt
kern.log
http://cantormath.com/kern_log.txt
syslog
http://cantormath.com/syslog.txt

The problem is simple.  I leave the machine, come back a hour later, and
the machine is turned off.  I am able to site on the machine for a few
hours but eventually, the machine will just poweroff, without warning.

-These are the errors I am most concerned about.
"Jul  9 12:15:53 cantormath-laptop kernel: [4301519.518000] ibm_acpi: ec object not found

Jul  9 12:16:35 cantormath-laptop kernel: [4301560.924000]
ACPI-0284: *** Error:     Region EmbeddedControl(3) has no handler

Jul  9 12:16:35 cantormath-laptop kernel: [4301560.924000]
ACPI-0517: *** Error: Method parse/execution failed [\_SB_.EPWR.PCLK]
(Node db8a7f60), AE_NOT_EXIST

Jul  9 12:16:35 cantormath-laptop kernel: [4301560.924000]
ACPI-0517: *** Error: Method parse/execution failed
[\_SB_.PCI0.LPC0.EC0_._Q1E] (Node dbf56e20), AE_NOT_EXIST"

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
     Assignee: Ubuntu Kernel ACPI Team
         Status: Confirmed

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Laptop powers-off unexpectedly
https://launchpad.net/bugs/53052