On Fri, Dec 02, 2011 at 09:35:30AM -0000, gluth wrote:
> I wonder why overwhelming BIOS with keystrokes turn off this warning. I
> will try to reach toshiba, but does not expect anything else than
> "install windows" response.

Here's a guess about why this happens. The DSDT has a sort of buffer to
store up to 100 events, but it's really more like a group of 100
uninitialized objects than a buffer. Every time you read an event, it
pulls the first object from the buffer then iterates over the rest of
the objects, copying each item to the previous position. The exception
happens when the DSDT tries to access an uninitialized object from the
buffer, one that hasn't been previously written, to copy it to the
previous position.

If you're able to fill up the buffer, every object will get initialized
to some value, and I suspect the problem goes away. So I'm guessing that
what you're doing is generating events faster than they're being read
(or something along those lines), eventually filling the buffer, at
which point the exception stops happening.

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https://bugs.launchpad.net/bugs/827558

Title:
  toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V

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