ASUS M6800N: processor has only C1

ASUS M6800N: processor has only C1

[Luca Capello]

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Hello,

I've some problems with my new ASUS laptop with the latest BIOS 0205A from
	http://fsai.fh-trier.de/~gielj/M6800N/
As from the title, when I insert the ACPI 'processor' module, I got this error:
=====
acpi_processor-2210 [188] acpi_processor_get_inf: Invalid PBLK length [7]
ACPI: Processor [CPU1] (supports C1)
=====

while all the entry in /proc/acpi/processor/CPU1/ seem there:
=====
gismo:/proc/acpi/processor/CPU1# cat info
processor id:            2
acpi id:                 1927985
bus mastering control:   no
power management:        no
throttling control:      no
limit interface:         no

gismo:/proc/acpi/processor/CPU1# cat limit
<not supported>

gismo:/proc/acpi/processor/CPU1# cat power
active state:            C47514253
default state:           C26214683
bus master activity:     00010000
states:
    C1:                  promotion[--] demotion[C23360] latency[000]
usage[134972534]
    C2:                  <not supported>
    C3:                  <not supported>

gismo:/proc/acpi/processor/CPU1# cat throttling
Could not determine current throttling state.
=====

I already hacked my DSDT (attached in .dsl format), but the last tests I made on
2.6.3 + ACPI 20040220 and 'ACPI DSDT in initrd' gave the same error (attached
'dmesg' output).

Possible solutions?

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Tue, Mar 02, 2004 at 10:55:09AM +0100, Luca Capello wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello,
> 
> I've some problems with my new ASUS laptop with the latest BIOS 0205A from
> 	http://fsai.fh-trier.de/~gielj/M6800N/
> As from the title, when I insert the ACPI 'processor' module, I got this error:
> =====
> acpi_processor-2210 [188] acpi_processor_get_inf: Invalid PBLK length [7]
> ACPI: Processor [CPU1] (supports C1)
> =====

Perhaps
http://bugzilla.kernel.org/show_bug.cgi?id=1958
may help you.

Cheers,

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/02/04 12:09, Bruno Ducrot wrote:
> Perhaps
> http://bugzilla.kernel.org/show_bug.cgi?id=1958
> may help you.
the patch at that bug failed on 2.6.4-rc1 + ACPI 20040220:
=====
gismo:/usr/src/linux-2.6.4-rc1-test# patch -p1 <
../kernel/v2.6/bug1958-20040127.processor.c.diff
patching file drivers/acpi/processor.c
Hunk #1 FAILED at 3.
Hunk #2 succeeded at 299 (offset 1 line).
Hunk #3 succeeded at 407 (offset 1 line).
Hunk #4 succeeded at 424 (offset 1 line).
Hunk #5 succeeded at 441 (offset 1 line).
Hunk #6 succeeded at 517 (offset 1 line).
Hunk #7 succeeded at 546 (offset 1 line).
Hunk #8 succeeded at 851 (offset 1 line).
Hunk #9 succeeded at 890 (offset 1 line).
Hunk #10 succeeded at 949 (offset 1 line).
Hunk #11 succeeded at 1016 (offset 1 line).
Hunk #12 succeeded at 2145 (offset 595 lines).
Hunk #13 succeeded at 2601 (offset 581 lines).
1 out of 13 hunks FAILED -- saving rejects to file drivers/acpi/processor.c.rej
gismo:/usr/src/linux-2.6.4-rc1-test#
=====

This is not a big problem, the FAILED is cause by the fact that in the new
'processor.c' at line 3 there's even the
	*  Copyright (C) 2004       Dominik Brodowski <linux-JhLEnvuH02M@public.gmane.org>
which wasn't present in 2.6.1.

On the other hand, I got these error when compiling:
======
  CC [M]  drivers/acpi/processor.o
drivers/acpi/processor.c: In function `acpi_processor_power_activate':
drivers/acpi/processor.c:311: error: structure has no member named `type'
drivers/acpi/processor.c:315: error: structure has no member named `type'
drivers/acpi/processor.c:321: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_idle':
drivers/acpi/processor.c:409: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_set_power_policy':
drivers/acpi/processor.c:548: error: structure has no member named `count'
drivers/acpi/processor.c:549: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info_cst':
drivers/acpi/processor.c:668: error: structure has no member named `count'
drivers/acpi/processor.c:691: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:692: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:695: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:696: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:703: error: structure has no member named `type'
drivers/acpi/processor.c:718: error: structure has no member named `type'
drivers/acpi/processor.c:818: error: structure has no member named `count'
drivers/acpi/processor.c:818: error: structure has no member named `count'
drivers/acpi/processor.c:819: error: structure has no member named `count'
drivers/acpi/processor.c:823: error: structure has no member named `count'
drivers/acpi/processor.c:825: error: structure has no member named `count'
drivers/acpi/processor.c:828: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info_fadt':
drivers/acpi/processor.c:892: error: structure has no member named `type'
drivers/acpi/processor.c:895: error: structure has no member named `count'
drivers/acpi/processor.c:951: error: structure has no member named `type'
drivers/acpi/processor.c:955: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info':
drivers/acpi/processor.c:979: error: structure has no member named `type'
drivers/acpi/processor.c:991: error: structure has no member named `type'
drivers/acpi/processor.c:992: error: structure has no member named `count'
drivers/acpi/processor.c:1018: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_power_seq_show':
drivers/acpi/processor.c:2147: error: structure has no member named `count'
drivers/acpi/processor.c:2150: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_add':
drivers/acpi/processor.c:2603: error: structure has no member named `count'
make[3]: *** [drivers/acpi/processor.o] Error 1
make[2]: *** [drivers/acpi] Error 2
make[1]: *** [drivers] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.4-rc1-test'
make: *** [stamp-build] Error 2
gismo:/usr/src/linux-2.6.4-rc1-test#
=====

Should I wait for a patch against 2.6.4 + latest ACPI or should I try the old 2.6.1?

BTW, 2.6.4 + ACPI 20040220 has the same problem as the older one, I mean, same
error on ACPI and only C1 :-(

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/02/04 13:43, Luca Capello wrote:
> On the other hand, I got these error when compiling:
> ======
>   CC [M]  drivers/acpi/processor.o
> drivers/acpi/processor.c: In function `acpi_processor_power_activate':
> drivers/acpi/processor.c:311: error: structure has no member named `type'
> drivers/acpi/processor.c:315: error: structure has no member named `type'
> drivers/acpi/processor.c:321: error: structure has no member named `type'
> drivers/acpi/processor.c: In function `acpi_processor_idle':
> drivers/acpi/processor.c:409: error: structure has no member named `type'
> drivers/acpi/processor.c: In function `acpi_processor_set_power_policy':
> drivers/acpi/processor.c:548: error: structure has no member named `count'
> drivers/acpi/processor.c:549: error: structure has no member named `type'
> drivers/acpi/processor.c: In function `acpi_processor_get_power_info_cst':
> drivers/acpi/processor.c:668: error: structure has no member named `count'
> drivers/acpi/processor.c:691: error: dereferencing pointer to incomplete type
> drivers/acpi/processor.c:692: error: dereferencing pointer to incomplete type
> drivers/acpi/processor.c:695: error: dereferencing pointer to incomplete type
> drivers/acpi/processor.c:696: error: dereferencing pointer to incomplete type
> drivers/acpi/processor.c:703: error: structure has no member named `type'
> drivers/acpi/processor.c:718: error: structure has no member named `type'
> drivers/acpi/processor.c:818: error: structure has no member named `count'
> drivers/acpi/processor.c:818: error: structure has no member named `count'
> drivers/acpi/processor.c:819: error: structure has no member named `count'
> drivers/acpi/processor.c:823: error: structure has no member named `count'
> drivers/acpi/processor.c:825: error: structure has no member named `count'
> drivers/acpi/processor.c:828: error: structure has no member named `count'
> drivers/acpi/processor.c: In function `acpi_processor_get_power_info_fadt':
> drivers/acpi/processor.c:892: error: structure has no member named `type'
> drivers/acpi/processor.c:895: error: structure has no member named `count'
> drivers/acpi/processor.c:951: error: structure has no member named `type'
> drivers/acpi/processor.c:955: error: structure has no member named `count'
> drivers/acpi/processor.c: In function `acpi_processor_get_power_info':
> drivers/acpi/processor.c:979: error: structure has no member named `type'
> drivers/acpi/processor.c:991: error: structure has no member named `type'
> drivers/acpi/processor.c:992: error: structure has no member named `count'
> drivers/acpi/processor.c:1018: error: structure has no member named `count'
> drivers/acpi/processor.c: In function `acpi_processor_power_seq_show':
> drivers/acpi/processor.c:2147: error: structure has no member named `count'
> drivers/acpi/processor.c:2150: error: structure has no member named `type'
> drivers/acpi/processor.c: In function `acpi_processor_add':
> drivers/acpi/processor.c:2603: error: structure has no member named `count'
> make[3]: *** [drivers/acpi/processor.o] Error 1
> make[2]: *** [drivers/acpi] Error 2
> make[1]: *** [drivers] Error 2
> make[1]: Leaving directory `/usr/src/linux-2.6.4-rc1-test'
> make: *** [stamp-build] Error 2
> gismo:/usr/src/linux-2.6.4-rc1-test#
> =====
>
> Should I wait for a patch against 2.6.4 + latest ACPI or should I try the old
> 2.6.1?
well, I've tried on the old 2.6.1 (w/o any ACPI patches, as I don't know where I
could find them) and I got the same errors:
=====
  CC [M]  drivers/acpi/processor.o
drivers/acpi/processor.c: In function `acpi_processor_power_activate':
drivers/acpi/processor.c:311: error: structure has no member named `type'
drivers/acpi/processor.c:315: error: structure has no member named `type'
drivers/acpi/processor.c:321: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_idle':
drivers/acpi/processor.c:409: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_set_power_policy':
drivers/acpi/processor.c:548: error: structure has no member named `count'
drivers/acpi/processor.c:549: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info_cst':
drivers/acpi/processor.c:668: error: structure has no member named `count'
drivers/acpi/processor.c:691: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:692: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:695: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:696: error: dereferencing pointer to incomplete type
drivers/acpi/processor.c:703: error: structure has no member named `type'
drivers/acpi/processor.c:718: error: structure has no member named `type'
drivers/acpi/processor.c:818: error: structure has no member named `count'
drivers/acpi/processor.c:818: error: structure has no member named `count'
drivers/acpi/processor.c:819: error: structure has no member named `count'
drivers/acpi/processor.c:823: error: structure has no member named `count'
drivers/acpi/processor.c:825: error: structure has no member named `count'
drivers/acpi/processor.c:828: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info_fadt':
drivers/acpi/processor.c:892: error: structure has no member named `type'
drivers/acpi/processor.c:895: error: structure has no member named `count'
drivers/acpi/processor.c:951: error: structure has no member named `type'
drivers/acpi/processor.c:955: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_get_power_info':
drivers/acpi/processor.c:979: error: structure has no member named `type'
drivers/acpi/processor.c:991: error: structure has no member named `type'
drivers/acpi/processor.c:992: error: structure has no member named `count'
drivers/acpi/processor.c:1018: error: structure has no member named `count'
drivers/acpi/processor.c: In function `acpi_processor_power_seq_show':
drivers/acpi/processor.c:1553: error: structure has no member named `count'
drivers/acpi/processor.c:1556: error: structure has no member named `type'
drivers/acpi/processor.c: In function `acpi_processor_add':
drivers/acpi/processor.c:2023: error: structure has no member named `count'
make[3]: *** [drivers/acpi/processor.o] Error 1
make[2]: *** [drivers/acpi] Error 2
make[1]: *** [drivers] Error 2
make[1]: Leaving directory `/usr/src/linux-2.6.1'
make: *** [stamp-build] Error 2
gismo:/usr/src/linux-2.6.1#
=====

So I can suppose this is not a kernel 2.6.1 or 2.6.4 problem, but something
other: am I right?

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Tue, Mar 02, 2004 at 03:43:26PM +0100, Luca Capello wrote:
> Hash: SHA1
> 
> Hello,
> 

Thanks.  Sound like that I send only an half patch, sorry.


--- linux-2.6-bk/include/acpi/processor.h	2004/03/03 10:17:39	1.1
+++ linux-2.6-bk/include/acpi/processor.h	2004/03/03 10:31:20
@@ -15,6 +15,16 @@
 
 /* Power Management */
 
+struct acpi_power_register {
+	u8			descriptor;
+	u16			length;
+	u8			space_id;
+	u8			bit_width;
+	u8			bit_offset;
+	u8			reserved;
+	u64			address;
+} __attribute__ ((packed));
+
 struct acpi_processor_cx_policy {
 	u32			count;
 	int			state;
@@ -32,6 +42,7 @@ struct acpi_processor_cx {
 	u32			latency;
 	u32			latency_ticks;
 	u32			power;
+	u32			type;
 	u32			usage;
 	struct acpi_processor_cx_policy promotion;
 	struct acpi_processor_cx_policy demotion;
@@ -40,6 +51,7 @@ struct acpi_processor_cx {
 struct acpi_processor_power {
 	int			state;
 	int			default_state;
+	int			count;
 	u32			bm_activity;
 	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
 };

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/03/04 11:35, Bruno Ducrot wrote:
> Thanks.  Sound like that I send only an half patch, sorry.
nothing changed, well, I got one more error:
=====
acpi_processor-2490 [29] acpi_processor_get_inf: Invalid PBLK length [7]
acpi_processor-0654 [31] acpi_processor_get_pow: Invalid _CST data
ACPI: Processor [CPU1] (supports C1)
=====

I tried this on kernel 2.6.4-rc1 + ACPI 20040220 with the original DSDT.

I tried to compile the same kernel with 'ACPI DSDT in initrd' patch, but after
the patch applied with some hunks (just one failed in a comment section), I got
an error:
=====
  LD      init/built-in.o
  LD      .tmp_vmlinux1
init/built-in.o(.init.text+0x347f): In function `populate_rootfs':
: undefined reference to `dsdt_start'
init/built-in.o(.init.text+0x3546): In function `populate_rootfs':
: undefined reference to `dsdt_start'
drivers/built-in.o(.text+0x869e): In function `acpi_os_table_override':
: undefined reference to `dsdt_start'
drivers/built-in.o(.text+0x86b0): In function `acpi_os_table_override':
: undefined reference to `dsdt_start'
drivers/built-in.o(.text+0x2933e): In function `acpi_tb_table_override':
: undefined reference to `dsdt_start'
drivers/built-in.o(.text+0x2934f): more undefined references to `dsdt_start' follow
make[1]: *** [.tmp_vmlinux1] Error 1
make[1]: Leaving directory `/usr/src/linux-2.6.4-rc1.processor-cst.acpi-initrd'
make: *** [stamp-build] Error 2
gismo:/usr/src/linux-2.6.4-rc1.processor-cst.acpi-initrd#
=====

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Wed, Mar 03, 2004 at 09:18:08PM +0100, Luca Capello wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello,
> 
> on 03/03/04 11:35, Bruno Ducrot wrote:
> > Thanks.  Sound like that I send only an half patch, sorry.
> nothing changed, well, I got one more error:
> =====
> acpi_processor-2490 [29] acpi_processor_get_inf: Invalid PBLK length [7]
> acpi_processor-0654 [31] acpi_processor_get_pow: Invalid _CST data
> ACPI: Processor [CPU1] (supports C1)
> =====
> 

Could you please try:

--- linux-2.6-bk/drivers/acpi/processor.c	2004/03/04 11:05:47	1.2
+++ linux-2.6-bk/drivers/acpi/processor.c	2004/03/04 11:09:21
@@ -649,8 +649,8 @@ acpi_processor_get_power_info_cst (
 
 	count = cst->package.elements[0].integer.value;
 
-	/* There must be at least 2 power states. */
-	if (count <= 1 || count != cst->package.count - 1) {
+	/* There must be at least one power state (some bios forgot C1), and validate count */
+	if (count < 1 || count != cst->package.count - 1) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _CST data\n"));
 		status = -EFAULT;
 		goto end;


I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.

Could you then try on battery also?  Note that I have not implemented
yet the reevaluation of _CST in case of AC/battery switch...

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Luca Capello]

[-- Attachment #1: Type: text/plain, Size: 1579 bytes --]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/04/04 12:12, Bruno Ducrot wrote:
> Could you please try:
>
> --- linux-2.6-bk/drivers/acpi/processor.c	2004/03/04 11:05:47	1.2
> +++ linux-2.6-bk/drivers/acpi/processor.c	2004/03/04 11:09:21
> @@ -649,8 +649,8 @@ acpi_processor_get_power_info_cst (
>
>  	count = cst->package.elements[0].integer.value;
>
> -	/* There must be at least 2 power states. */
> -	if (count <= 1 || count != cst->package.count - 1) {
> +	/* There must be at least one power state (some bios forgot C1), and
validate count */
> +	if (count < 1 || count != cst->package.count - 1) {
>  		ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _CST data\n"));
>  		status = -EFAULT;
>  		goto end;
no problem, I forgot to advise you that I can make all the necessary tests to
bring my new laptop to a completely ACPI working system :-)

> I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
You're right, but even on battery I get only C1 & C2 (as from the attached).

> Could you then try on battery also?  Note that I have not implemented
> yet the reevaluation of _CST in case of AC/battery switch...
As above, it doesn't matter if I'm on battery or on AC: it's the same, but
anyway I have no more the _CST error message, but only the PBLK length one.

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Thu, Mar 04, 2004 at 02:53:44PM +0100, Luca Capello wrote:
> 
> Hello,
> 
> no problem, I forgot to advise you that I can make all the necessary tests to
> bring my new laptop to a completely ACPI working system :-)

Thanks!

> 
> > I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
> You're right, but even on battery I get only C1 & C2 (as from the attached).

Well, there is a stupid bug, I guess.

--- linux-2.6-bk/drivers/acpi/processor.c	2004/03/05 11:14:06	1.3
+++ linux-2.6-bk/drivers/acpi/processor.c	2004/03/05 11:25:58
@@ -666,7 +666,7 @@ acpi_processor_get_power_info_cst (
 	/* Get all power states */
 
 	/* Note that C0 and C1 are filled already by our caller. */
-	pr->power.count = 2;
+	pr->power.count = 1;
 	for (i = 1; i <= count; i++) {
 		union acpi_object *element;
 		union acpi_object *obj;
@@ -816,13 +816,10 @@ acpi_processor_get_power_info_cst (
 		/* All check done.  Register this power state. */
 		cx.valid = 1;
 		cx.latency_ticks = US_TO_PM_TIMER_TICKS(cx.latency);
-		memcpy(&(pr->power.states[pr->power.count]), &cx, sizeof(cx));
 		(pr->power.count)++;
+		memcpy(&(pr->power.states[pr->power.count]), &cx, sizeof(cx));
 	}
 
-	/* adjust count. */
-	(pr->power.count)--;
-
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d power states\n", pr->power.count));
 
 	/* Validate number of power states */
--- linux-2.6-bk/include/acpi/processor.h	2004/03/05 11:26:48	1.2
+++ linux-2.6-bk/include/acpi/processor.h	2004/03/05 11:27:39
@@ -5,7 +5,7 @@
 
 #define ACPI_PROCESSOR_BUSY_METRIC	10
 
-#define ACPI_PROCESSOR_MAX_POWER	ACPI_C_STATE_COUNT
+#define ACPI_PROCESSOR_MAX_POWER	8
 #define ACPI_PROCESSOR_MAX_C2_LATENCY	100
 #define ACPI_PROCESSOR_MAX_C3_LATENCY	1000
 

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/05/04 12:39, Bruno Ducrot wrote:
>>no problem, I forgot to advise you that I can make all the necessary tests to
>>bring my new laptop to a completely ACPI working system :-)
>
> Thanks!
your welcome :-)

BTW 1: I forgot to advise you that I'm using again kernel 2.6.3 + ACPI 20040220
+ ACPI DSDT in initrd patch (from http://gaugusch.at/kernel.shtml) and a
modified DSDT (available from http://fsai.fh-trier.de/~gielj/M6800N/), which
fixes the battery status problem.

BTW 2: should I update my tests even on the kernel bug page? IMHO you should
update your second patch (you posted 20040304 at 12:12).

>>>I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
>>
>>You're right, but even on battery I get only C1 & C2 (as from the attached).
>
> Well, there is a stupid bug, I guess.
on the above 2.6.3 there're no changes, always C1 & C2 in battery mode and on
AC. The same behaviour on 2.6.4-rc1 + ACPI 20040220 + your patches.

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Fri, Mar 05, 2004 at 04:42:00PM +0100, Luca Capello wrote:
> 
> >>>I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
> >>
> >>You're right, but even on battery I get only C1 & C2 (as from the attached).
> >
> > Well, there is a stupid bug, I guess.
> on the above 2.6.3 there're no changes, always C1 & C2 in battery mode and on
> AC. The same behaviour on 2.6.4-rc1 + ACPI 20040220 + your patches.

I updated that on bugzilla.

Could you please also send me the output of
/proc/acpi/processor/*/power
if that still fail on battery?

Thanks again for your time,

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/05/04 19:37, Bruno Ducrot wrote:
>>>>>I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
>>>>
>>>>You're right, but even on battery I get only C1 & C2 (as from the attached).
>>>
>>>Well, there is a stupid bug, I guess.
>>
>>on the above 2.6.3 there're no changes, always C1 & C2 in battery mode and on
>>AC. The same behaviour on 2.6.4-rc1 + ACPI 20040220 + your patches.
>
> I updated that on bugzilla.
thank you, I tried the new one on a fresh 2.6.3 + ACPI 20040220 + ACPI DSDT in
initrd (so just the last patch and no more the old ones), but still the same on
battery mode (only C1 & C2). With a fresh 2.6.4-rc1 + ACPI 20040220 nothing
changes. The same results on AC mode and the 2.6.3 above.

> Could you please also send me the output of
> /proc/acpi/processor/*/power
> if that still fail on battery?
Sure, here it is:
===== (2.6.3)
luca-HSB4nKSusd8@public.gmane.org:~$ dmesg | grep Processor
ACPI: Processor [CPU1] (supports C1 C2)
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/info
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        yes
throttling control:      no
limit interface:         no
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/limit
<not supported>
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/power
active state:            C2
default state:           C1
bus master activity:     00000000
states:
    C1:         type[1] promotion[C2] demotion[--] latency[000] usage[00000010]
   *C2:         type[2] promotion[--] demotion[C1] latency[001] usage[00067837]
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/throttling
<not supported>

===== (2.6.4-rc1)
luca-HSB4nKSusd8@public.gmane.org:~$ dmesg | grep Processor
ACPI: Processor [CPU1] (supports C1 C2)
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/info
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        yes
throttling control:      no
limit interface:         no
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/limit
<not supported>
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/power
active state:            C2
default state:           C1
bus master activity:     00000000
states:
    C1:         type[1] promotion[C2] demotion[--] latency[000] usage[00000010]
   *C2:         type[2] promotion[--] demotion[C1] latency[001] usage[00142674]
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/throttling
<not supported>
=====

> Thanks again for your time,
Once again, *I* should thank you :-)

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Bruno Ducrot]

On Tue, Mar 02, 2004 at 10:55:09AM +0100, Luca Capello wrote:

BTW, I tried to recompile your dsl with iasl version 20040220.

Since it has:
Processor (CPU1, 0x01, 0x00000410, 0x07)

I expected that the compilation failed because of the length of 7,
or at least a warning.  But threre was nothing.
Therefore I consider that iasl break ACPI 2.0c, 16.2.3.3.1.17 for
the definition of the ASL ProcessorTerm token.

Of course, that is only a minor issue, but well, since there were some
bios developper documentation broken in that regard, it should be fine
to get at least a warning.

Bob, could you please add this check?

Thanks,

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: ASUS M6800N: processor has only C1

[Thomas Renninger]

Luca Capello wrote:

>
> gismo:/proc/acpi/processor/CPU1# cat power
> active state:            C47514253
> default state:           C26214683
> bus master activity:     00010000
> states:
>     C1:                  promotion[--] demotion[C23360] latency[000]
> usage[134972534]
>     C2:                  <not supported>
>     C3:                  <not supported>
>
> gismo:/proc/acpi/processor/CPU1# cat throttling
> Could not determine current throttling state.
> =====
>
> I already hacked my DSDT (attached in .dsl format), but the last tests 
> I made on
> 2.6.3 + ACPI 20040220 and 'ACPI DSDT in initrd' gave the same error 
> (attached
> 'dmesg' output).
>
> Possible solutions?
>
I had the same problem.
Your machine supports the C4 state.
Change the P_BLK  in your DSDT to 0x06

e.g.:
    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x07)
to:
    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x06)

or use the patch from Pavel, posted on the 28.02.2004, 17:10.

Unfortunately this won't enable the C4 state if you have one.
What do mainters say about supporting Cn processor states in the future?




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Re: ASUS M6800N: processor has only C1

[Thomas Renninger]

Thomas Renninger wrote:

> Luca Capello wrote:
>
>>
>> gismo:/proc/acpi/processor/CPU1# cat power
>> active state:            C47514253
>> default state:           C26214683
>> bus master activity:     00010000
>> states:
>>     C1:                  promotion[--] demotion[C23360] latency[000]
>> usage[134972534]
>>     C2:                  <not supported>
>>     C3:                  <not supported>
>>
>> gismo:/proc/acpi/processor/CPU1# cat throttling
>> Could not determine current throttling state.
>> =====
>>
>> I already hacked my DSDT (attached in .dsl format), but the last 
>> tests I made on
>> 2.6.3 + ACPI 20040220 and 'ACPI DSDT in initrd' gave the same error 
>> (attached
>> 'dmesg' output).
>>
>> Possible solutions?
>>
> I had the same problem.
> Your machine supports the C4 state.
> Change the P_BLK  in your DSDT to 0x06
>
> e.g.:
>    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x07)
> to:
>    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x06)
>
> or use the patch from Pavel, posted on the 28.02.2004, 17:10.
>
> Unfortunately this won't enable the C4 state if you have one.
> What do mainters say about supporting Cn processor states in the future?

I am pretty sure this message will come up more often in future.
Could it be that new mobile Intel processors support the C4 state -> 
therefore P_BLK = 0x07?

Pavel's patch is a workaround, setting P_BLK back to 6, but isn't it 
worth a critical bug for supporting Cn states,
as only supporting C0-C3 states offends the specification?

        Thomas


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Re: ASUS M6800N: processor has only C1

[Nate Lawson]

On Thu, 4 Mar 2004, Thomas Renninger wrote:
> Thomas Renninger wrote:
> > Your machine supports the C4 state.
> > Change the P_BLK  in your DSDT to 0x06
> >
> > e.g.:
> >    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x07)
> > to:
> >    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x06)
> >
> > or use the patch from Pavel, posted on the 28.02.2004, 17:10.
> >
> > Unfortunately this won't enable the C4 state if you have one.
> > What do mainters say about supporting Cn processor states in the future?
>
> I am pretty sure this message will come up more often in future.
> Could it be that new mobile Intel processors support the C4 state ->
> therefore P_BLK = 0x07?
>
> Pavel's patch is a workaround, setting P_BLK back to 6, but isn't it
> worth a critical bug for supporting Cn states,
> as only supporting C0-C3 states offends the specification?

For FreeBSD, I took the approach that throttling requires P_BLK_LEN >= 4,
C2 requires >= 5, and C3 requires >= 6.  Systems with higher values will
get C1-C3 but we will not support C4 on such systems.  There are already
plenty of valid systems with _CST out in the real world (i.e. IBM Centrino
laptops) and so for someone to break the standard now is unacceptable.
Users will get C1-C3 on broken systems, which is good enough.

-Nate


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Re: ASUS M6800N: processor has only C1

[Thomas Renninger]

Thomas Renninger wrote:

> or use the patch from Pavel, posted on the 28.02.2004, 17:10.

Sorry haven't read the whole thread...



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Re: ASUS M6800N: processor has only C1

[Luca Capello]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Hello,

on 03/04/04 13:00, Thomas Renninger wrote:
> I had the same problem.
> Your machine supports the C4 state.
> Change the P_BLK  in your DSDT to 0x06
>
> e.g.:
>    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x07)
> to:
>    Processor (\_PR.CPU0, 0x01, 0x00001010, 0x06)
with all Bruno's patches in this thread and if I change in my DSDT
=====
     Scope (\_PR)
     {
- -        Processor (CPU1, 0x01, 0x00000410, 0x07)
+        Processor (CPU1, 0x01, 0x00000410, 0x06)
         {
             Method (_CST, 0, NotSerialized)
             {
=====

I get
=====
gismo:/# dmesg | grep Processor
ACPI: Processor [CPU1] (supports C1 C2, 8 throttling states)

gismo:/# cat /proc/acpi/processor/CPU1/info
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        yes
throttling control:      yes
limit interface:         yes

gismo:/# cat /proc/acpi/processor/CPU1/limit
active limit:            P0:T0
user limit:              P0:T0
thermal limit:           P0:T0

gismo:/# cat /proc/acpi/processor/CPU1/power
active state:            C2
default state:           C1
bus master activity:     00000000
states:
   C1 [1]:               promotion[C2] demotion[--] latency[000] usage[00000010]
  *C2 [2]:               promotion[--] demotion[C1] latency[001] usage[00475240]

gismo:/# cat /proc/acpi/processor/CPU1/throttling
state count:             8
active state:            T0
states:
   *T0:                  00%
    T1:                  12%
    T2:                  25%
    T3:                  37%
    T4:                  50%
    T5:                  62%
    T6:                  75%
    T7:                  87%
=====

> or use the patch from Pavel, posted on the 28.02.2004, 17:10.
With Pavel's patch (posted 20040228 at 17:10) I get the same results.

Again the same results if I don't apply Bruno's patches about _CST methods for
C4, with the exception of
=====
@gismo:/$ cat /proc/acpi/processor/CPU1/power
active state:            C2
default state:           C1
bus master activity:     00000000
states:
   C1:                  promotion[C2] demotion[--] latency[000] usage[00050830]
  *C2:                  promotion[--] demotion[C1] latency[099] usage[00350099]
   C3:                  <not supported>
=====

I re-read the thread 'ACPI C4 support' where Pavel posted his patch to allow
'pblk_length' of 7. I'm not an expert not a programmer, but from what I had
read, it seems that:
- - Pavel's patch could be a good workaround, but Andrew Grover wouldn't avoid it
- - 'pblk_length' can have only 0 or 6 (7 is a bad value)
- - 'iasl' compiler (win32/20040220 and linux/20030918) doesn't recognize
  'pblk_length' of 7 as a bad value (neither as a warning)

Now, my /simple/ question: should I modify my DSDT (as in the first case) or use
Pavel's patch (as in the second) to avoid the 'pblk_length' error?

Thx, bye,
Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Luca Capello]

[-- Attachment #1: Type: text/plain, Size: 1357 bytes --]

-----BEGIN PGP SIGNED MESSAGE-----
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Hello,

I tried kernel 2.6.5-rc1 with a new BIOS 0206A, but still the same problem. It
seems that Bruno's patches (which at least let me have C1 & C2) haven't been
applied yet.

On the other hand, without Bruno's patches I get:
=====
gismo:~# cat /proc/acpi/processor/CPU1/*
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        no
throttling control:      no
limit interface:         no
<not supported>
active state:            C1
default state:           C1
bus master activity:     00000000
states:
   *C1:                  promotion[--] demotion[--] latency[000] usage[00000000]
    C2:                  <not supported>
    C3:                  <not supported>
<not supported>
gismo:~#
=====

This output is the same if I use the original DSDT or a modified one to have
battery support.

Question: with Bruno's patches, I never got C3 (neither the 'C3 <not supported>'
message), so, could it be that my laptop doesn't support C3 but C4?

Attached the new DSDT from BIOS 0206A.

Thx, bye,
Gismo / Luca
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[-- Attachment #2: ASUS-M6842NWH-M6N_DSDT-BIOS-0206A_original.dsl.gz --]
[-- Type: application/x-gzip, Size: 17577 bytes --]

Re: ASUS M6800N: processor has only C1

[Herman Sheremetyev]

Hi Luca,

With a little DSDT tweak I get the following output:

$ cat /proc/acpi/processor/CPU1/*
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        yes
throttling control:      yes
limit interface:         yes
active limit:            P0:T0
user limit:              P0:T0
thermal limit:           P0:T0
active state:            C2
default state:           C1
bus master activity:     00000000
states:
    C1:                  promotion[C2] demotion[--] latency[000]
usage[00024090]
   *C2:                  promotion[--] demotion[C1] latency[099]
usage[00991232]
    C3:                  <not supported>
state count:             8
active state:            T0
states:
   *T0:                  00%
    T1:                  12%
    T2:                  25%
    T3:                  37%
    T4:                  50%
    T5:                  62%
    T6:                  75%
    T7:                  87%

The fix requires simply changing one value in the DSDT from: 

Processor (CPU1, 0x01, 0x00000410, 0x07) 

to: 

Processor (CPU1, 0x01, 0x00000410, 0x06) 

You can find more details on the forum I started dedicated to Linux on
the M6N series laptops:

http://mrhammy2.ath.cx:81/forum/viewforum.php?f=1

-Herman

On Sat, 2004-03-20 at 05:29, Luca Capello wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Hello,
> 
> I tried kernel 2.6.5-rc1 with a new BIOS 0206A, but still the same problem. It
> seems that Bruno's patches (which at least let me have C1 & C2) haven't been
> applied yet.
> 
> On the other hand, without Bruno's patches I get:
> =====
> gismo:~# cat /proc/acpi/processor/CPU1/*
> processor id:            0
> acpi id:                 1
> bus mastering control:   yes
> power management:        no
> throttling control:      no
> limit interface:         no
> <not supported>
> active state:            C1
> default state:           C1
> bus master activity:     00000000
> states:
>    *C1:                  promotion[--] demotion[--] latency[000] usage[00000000]
>     C2:                  <not supported>
>     C3:                  <not supported>
> <not supported>
> gismo:~#
> =====
> 
> This output is the same if I use the original DSDT or a modified one to have
> battery support.
> 
> Question: with Bruno's patches, I never got C3 (neither the 'C3 <not supported>'
> message), so, could it be that my laptop doesn't support C3 but C4?
> 
> Attached the new DSDT from BIOS 0206A.
> 
> Thx, bye,
> Gismo / Luca
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Re: ASUS M6800N: processor has only C1

[Luca Capello]

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Hello,

on 03/20/04 18:27, Herman Sheremetyev wrote:
> With a little DSDT tweak I get the following output:
<cut>
> The fix requires simply changing one value in the DSDT from:
>
> Processor (CPU1, 0x01, 0x00000410, 0x07)
>
> to:
>
> Processor (CPU1, 0x01, 0x00000410, 0x06)
this hack was already known
	http://sourceforge.net/mailarchive/message.php?msg_id=7451801

But the same can be achieved using Bruno Ducrot's at
	http://bugzilla.kernel.org/show_bug.cgi?id=1958

Please read the whole thread here
	http://sourceforge.net/mailarchive/message.php?msg_id=7451789

AFAIK Bruno's patches are a /cleaner/ solution, as you can have C1 & C2 without
hacking your DSDT. On the other hand, it seems that our laptop support C4 state
(via _CST), which is the final objective of Bruno's patches IIRC.

Thx, bye,
Gismo / Luca
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