[ltp] Unpleasant noise on T42p

Norman Walsh linux-thinkpad@linux-thinkpad.org
Thu, 14 Apr 2005 11:29:59 -0400


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/ Martin Hermanowski <linux-thinkpad@martin.mh57.de> was heard to say:
| Did you upgrade your kernel at the same time? I suspect that this might
| have to do something with the C4 cpu state, since I first noticed some
| noise similar to the on you describe after the upgrade to 2.6.11. At the
| same time, an additional C4 state appeared.

I don't recall that it started at the same time as a kernel upgrade,
though I suppose it could have.

I am running 2.6.11. What is the 'C4' state and how can I tell if I
have one?

                                        Be seeing you,
                                          norm

=2D-=20
Norman Walsh <ndw@nwalsh.com> | Everything should be made as simple as
http://nwalsh.com/            | possible, but no simpler.

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