Armada 17xx, ACPI thermal management broken.
freebsd at nbritton.org
Sun Dec 26 20:54:50 PST 2004
Nate Lawson wrote:
> Nikolas Britton wrote:
>> When I try it with Linux it worked, in fact, here is a patch for
>> kernel 2.6.7:
>> "Compaq Armada 1700/1750 ACPI/Sound/PM/i2c kernel patch:
>> This patch(2.6.7) fixes the DSDT (broken aml) at bootup (Fan Control
>> works now, changed TZ trip points) and fixes the temperature problem.
>> It also forces the i2c-bus to be enabled at startup and modifies the
>> initial values mpu_io, io, irq, dma and dma16 of the soundcard,
>> therefore there is no need to append them to kernel cmdline anymore
>> (if you want to use oss).
>> The fix is nonpersistent. "
>> So as you see there is already a DSDT/AML/ASL/Whatever fix for it, It
>> just needs to be ported to BSD.
> AML is OS-independent. It's supplied by the BIOS. Unfortunately, the
> 'fixed' AML you've found is in binary form.
>> Is there a way I can just disable the ACPI thermal management, then I
>> could use ACPI until someone with more clout and programming know how
>> decides to fix it?
> Yes, see previously-mentioned hint in loader.conf. It may not help
> though since once ACPI is active, the BIOS often expects the OS to
> manage everything so this may just disable your fans. Be careful.
>> + * Intel ACPI Component Architecture
>> + * ASL Optimizing Compiler / AML Disassembler version 20030522 [May
>> 23 2003]
>> + * Copyright (C) 2000 - 2003 Intel Corporation
>> + * Supports ACPI Specification Revision 2.0b
>> + * + * Compilation of "dsdt.asl" - Thu Mar 11 13:09:58 2004
>> + * + * C source code output
>> + *
>> + */
> Can you get the author of this patch to send you the raw "dsdt.asl",
> instead of the compiled version? If so, send it to me so I can diff
> against the one I asked you to dump and post.
Thank you for responding, here is a copy of my asl (Compaq Armada 1750,
I will email him and see what I/he can do,
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