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Date: Fri, 05 Dec 2003 02:32:55 -0500
From: Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca>
Subject: Re: High-pitch noise with 2.6.0-test11
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> I just installed 2.6.0-test11 on my Dell Latitude D600 (Pentium-M)
> laptop and I noticed a strange high-pitch noise comming from the laptop
> itself (that wasn't there with 2.4). The noise happens only when the CPU
> is idle. Also, I have noticed that removing thermal.o makes the noise
> stop, which is very odd. Is there anything that can be done about that?

Actually, speaking of thermal.o, this is what I got when I tried to
remove it:

Unable to handle kernel paging request at virtual address f882e28f
 printing eip:
f882e28f
*pde =3D 37f86067
*pte =3D 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<f882e28f>]    Not tainted
EFLAGS: 00010296
EIP is at 0xf882e28f
eax: 00000000   ebx: 00091662   ecx: 00000008   edx: 00000000
esi: f79d12f8   edi: 000909e9   ebp: f79d1200   esp: c037bfc0
ds: 007b   es: 007b   ss: 0068
Process swapper (pid: 0, threadinfo=3Dc037a000 task=3Dc030d440)
Stack: 0009f600 00000000 c037a000 0009f600 c0105000 0008e000 c01090e4
00000816
       c037c74a c030d440 00000000 c03b2ec8 00000003 c037c470 c03b8100
c010017e
Call Trace:
 [<c0105000>] rest_init+0x0/0x60
 [<c01090e4>] cpu_idle+0x34/0x40
 [<c037c74a>] start_kernel+0x18a/0x1c0
 [<c037c470>] unknown_bootoption+0x0/0x120
                                                                           =
    =20
Code:  Bad EIP value.
 <0>Kernel panic: Attempted to kill the idle task!
In idle task - not syncing

Hope this helps.

	Jean-Marc

P.S. I'm not subscribed to the list

--=20
Jean-Marc Valin, M.Sc.A., ing. jr.
LABORIUS (http://www.gel.usherb.ca/laborius)
Universit=E9 de Sherbrooke, Qu=E9bec, Canada

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