Thinkpad, Thinkpad, Thinkpad

Peter Jones pjones at redhat.com
Tue Mar 28 20:27:07 UTC 2006


On Tue, 2006-03-28 at 14:54 -0500, Peter Jones wrote:
> On Tue, 2006-03-28 at 05:13 -0500, Alan Cox wrote:
> > On Mon, Mar 27, 2006 at 07:09:16PM -0500, Eric S. Raymond wrote:
> > > That's wacky.  Doesn't happen on an X40, thank goodness.  Which is interesting,
> > > because several of my sources claim the T40 and X40 are electronically 
> > > identical, with X40 just being skrunched into a smaller form factor.
> > 
> > The old IDE layer does not support suspend/resume. The failure in this case
> > is just an example of that, in this case cause by corruption of the HPA
> > limits
> 
> Speaking of which, I've got a patch that duplicates our current startup
> breakage in the resume path.  Which is to say, since we've already
> screwed up the data that's in the protected area, this just disables it
> again during resume, so you don't get IO errors.
> 
> http://people.redhat.com/pjones/hpa/linux-2.6.16-hpa-resume.patch
> 
> Also, http://people.redhat.com/pjones/hpa/ is a yum repo with the
> 2.6.16-1.2080 kernel from cvs rebuilt for i686 with this patch.  I hope
> this was a good kernel to test with, or davej will surely come make fun
> of me ;)  I haven't tested it yet, but just as soon as I finish this
> email I'll try it on my laptop.  I'll put x86_64 packages up when they
> finish building.

OK, the x86_64 packages are there too, now, and I've also tested this
kernel on my laptop.  Seems to work, and suspend/resume does the right
thing.

-- 
  Peter




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