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SubjectRe: APM problem after 2.6.13.5
Hi Alessio,

On 6/16/06, Alessio Sangalli <alesan@manoweb.com> wrote:
> > > if I enable "APM support" I get a freeze at the very beginning of the
> > > boot, without any explicit erro message, just after the PCI stuff. If
> > > you need a transcript of the messages at boot, let me know, I will have
> > > to write them by hand).
> > > 2.6.13.5 is ok. I need APM support to let the "Fn" key and the battery
> > > meter work!

Pekka Enberg wrote:
> > There's a lot of changes between 2.6.13 and 2.6.14. It would be
> > helpful if you could narrow down the exact changeset that broke your

On 6/16/06, Alessio Sangalli <alesan@manoweb.com> wrote:
> done:
>
> 4196c3af25d98204216a5d6c37ad2cb303a1f2bf is first bad commit
> diff-tree 4196c3af25d98204216a5d6c37ad2cb303a1f2bf (from
> 9092b20803e4b3b3a480592794a73030f17370b3)
> Author: Linus Torvalds <torvalds@g5.osdl.org>
> Date: Sun Oct 23 16:31:16 2005 -0700
>
> cardbus: limit IO windows to 256 bytes
>
> That's what we've always historically done, and bigger windows seem to
> confuse some cardbus bridges. Or something.
>
> Alan reports that this makes the ThinkPad 600x series work properly
> again: the 4kB IO window for some reason made IDE DMA not work, which
> makes IDE painfully slow even if it works after DMA timeouts.
>
> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
>
> :040000 040000 629d4d303048bffa610017e81e0e744bae08660d
> 33e154ffe96822d09f37ae2d433de5152216501b M drivers
>
>
> let me know any other test I should do to help find a solution to this
> problem, thank you!

So reverting the above commit from git head makes your box boot again?
Linus, any thoughts?

Pekka
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