Re: High-pitch noise with 2.6.0-test11

From: Jean-Marc Valin
Date: Fri Dec 05 2003 - 02:34:57 EST

> 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:
*pde = 37f86067
*pte = 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=c037a000 task=c030d440)
Stack: 0009f600 00000000 c037a000 0009f600 c0105000 0008e000 c01090e4
c037c74a c030d440 00000000 c03b2ec8 00000003 c037c470 c03b8100
Call Trace:
[<c0105000>] rest_init+0x0/0x60
[<c01090e4>] cpu_idle+0x34/0x40
[<c037c74a>] start_kernel+0x18a/0x1c0
[<c037c470>] unknown_bootoption+0x0/0x120

Code: Bad EIP value.
<0>Kernel panic: Attempted to kill the idle task!
In idle task - not syncing

Hope this helps.


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

Jean-Marc Valin, M.Sc.A., ing. jr.
Université de Sherbrooke, Québec, Canada

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