linux-kernel - Re: BUG: linux 2.6.19 unable to enable acpi

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Date:	Wed, 17 Jan 2007 19:10:01 -0200
From:	"Matheus Izvekov" <mizvekov@...il.com>
To:	"Len Brown" <lenb@...nel.org>
Cc:	"Arjan van de Ven" <arjan@...radead.org>,
	"Luming Yu" <luming.yu@...il.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: BUG: linux 2.6.19 unable to enable acpi

On 1/17/07, Len Brown <lenb@...nel.org> wrote:
> The code that enables ACPI mode hasn't really changed since before 2.6.12 --
> unless udelay() has changed beneath us...
> So if you are going to test an old version of Linux, you should start before then.
>
> Perhaps you can try this debug patch on top of 2.6.19 and send along the dmesg?
> (also, please include CONFIG_ACPI_DEBUG=y)
>
> thanks,
> -Len

Tried that, dmesg output below:

DMI 2.2 present.
ACPI: RSDP (v000 AMI                                   ) @ 0x000fb080
ACPI: RSDT (v001 AMIINT          0x00000000 MSFT 0x00000097) @ 0x0fdf0000
ACPI: FADT (v001 AMIINT          0x00000000 MSFT 0x00000097) @ 0x0fdf0030
ACPI: DSDT (v001    SiS      620 0x00001000 MSFT 0x0100000a) @ 0x00000000
ACPI: PM-Timer IO Port: 0x408
Allocating PCI resources starting at 10000000 (gap: 0fe00000:f00f0000)
Detected 300.683 MHz processor.
Built 1 zonelists.  Total pages: 64501
Kernel command line: root=/dev/sda3
Initializing CPU#0
CPU 0 irqstacks, hard=c038f000 soft=c038e000
PID hash table entries: 1024 (order: 10, 4096 bytes)
Console: colour VGA+ 80x25
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 254268k/260032k available (1818k kernel code, 5268k reserved,
611k data, 160k init, 0k highmem)
virtual kernel memory layout:
    fixmap  : 0xffff8000 - 0xfffff000   (  28 kB)
    vmalloc : 0xd0800000 - 0xffff6000   ( 759 MB)
    lowmem  : 0xc0000000 - 0xcfdf0000   ( 253 MB)
      .init : 0xc0361000 - 0xc0389000   ( 160 kB)
      .data : 0xc02c6be6 - 0xc035fa28   ( 611 kB)
      .text : 0xc0100000 - 0xc02c6be6   (1818 kB)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 602.00 BogoMIPS (lpj=3010033)
Security Framework v1.0.0 initialized
Mount-cache hash table entries: 512
CPU: After generic identify, caps: 0080f9ff 00000000 00000000 00000000
00000000 00000000 00000000
CPU: L1 I cache: 16K, L1 D cache: 16K
CPU: L2 cache: 512K
CPU: After all inits, caps: 0080f9ff 00000000 00000000 00000040
00000000 00000000 00000000
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: Intel Pentium II (Klamath) stepping 03
Checking 'hlt' instruction... OK.
ACPI: Core revision 20060707
 tbxface-0107 [01] load_tables           : ACPI Tables successfully acquired
Parsing all Control Methods:
Table [DSDT](id 0005) - 259 Objects with 25 Devices 99 Methods 13 Regions
ACPI Namespace successfully loaded at root c03a49f0
ACPI: setting ELCR to 8000 (from 1c00)
ACPI: FADT.acpi_enable 225
ACPI: FADT.acpi_disable 30
ACPI: smi_cmd 0x435, acpi_enable 0xe1
ACPI: retry 142
ACPI Error (hwacpi-0185): Hardware did not change modes [20060707]
ACPI Error (evxfevnt-0084): Could not transition to ACPI mode [20060707]
ACPI Warning (utxface-0154): AcpiEnable failed [20060707]
ACPI: Unable to enable ACPI
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