various problems with Acer TM654, suspend, ACAD, radeon

various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hello dear ACPI fellows!

I am using an Acer TravelMate 654LCi with debian/sid on it running
always the latest -mm kernels (ATM 2.6.8.1-mm3).

I have encountered the following problems with ACPI:

- The battery does not deliver the discharging rate, it is always 0:
	present:                 yes
	capacity state:          ok
	charging state:          discharging
	present rate:            0 mA
	remaining capacity:      2749 mAh
	present voltage:         11520 mV

- The AC adapter does not send *any* events.
	Neither when plugged in nor unplugged.

- The battery gives periodic events:
	battery BAT1 00000080 00000001
	battery BAT2 00000080 00000000
  (although there is NO battery 2 installed!)

-----------------------------------------------

No for something related to this: Suspend2XXX.

With S2D I had success up to 2.6.7-mm5 (I didn't check all the inbetween
kernels), but with 2.6.8.1-mmX and rc4-mmX the laptop suspends without
any problems (besides I have to stop mysqld), even with X running (ATI
Radeon 7500M 0000:01:00.0 VGA compatible controller: ATI Technologies
Inc Radeon Mobility M7 LW [Radeon Mobility 7500]).

With the newer kernels resuming does not work anymore, there are many
Ooops. (I know, I should write them down on a sheet of paper, I will try
to collect them with usb-serial console).


For S2R: I got this pretty nice working, I had to stop USB, and various
other stuff, and with boot-radeon I get my console back again.

The only thing I am not getting right is X. Switching to X always makes
a hard freeze. Not even Sysrq works anymore. What I am using is
xlibmesa-dri	4.3.0.dfsg.1-6
xlibmesa-gl1-dri-trunk	2004.02.28-2
xserver-xfree86-dri-trunk	2004.02.28-2
(the last two packages are from http://people.debian.org/~daenzer/

----------------------------------------------------------------

Now my questions:
- Can the missing battery (dis)charge rate be fixed? Is this an hardware
  defect, i.e. the battery does not send the information, or are there
  other reasons?
- Same with the AC Adapter, why does it send no event at all?
- What can I try out to get S2D back again and S2R fully working?

Thanks a lot for any help and I will try to send you all the relevant
information you may ask for!


Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Dösinger]

> - Same with the AC Adapter, why does it send no event at all?
Perhaps it's a problem with your DSDT. I had the same issue on my TM800, and 
the patch I found on acpi.sf.net helped. Look for ACER - TravelMate 800 - 
3a15. I guess you'll have to edit your dsdt manually.
> - What can I try out to get S2D back again and S2R fully working?
Try
Option     "NoAccel"            "yes"
in the device section in your XF86Config.

Hope that helps
Stefan


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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hi Stefan! Hi List!

Thanks for the hints, but it didn't work out:

On Fre, 20 Aug 2004, Stefan Dösinger wrote:
> > - Same with the AC Adapter, why does it send no event at all?

> Perhaps it's a problem with your DSDT. I had the same issue on my TM800, and 
> the patch I found on acpi.sf.net helped. Look for ACER - TravelMate 800 - 
> 3a15. I guess you'll have to edit your dsdt manually.

I did it and it didn't help: From my dmesg:
-----------------------------------------------------------------------
...
ACPI: RSDP (v000 ACER                                      ) @ 0x000f5e80
ACPI: RSDT (v001 ACER     RSDT   0x20020630  LTP 0x00000000) @ 0x1ff75a7b
ACPI: FADT (v001 ACER   IBIS     0x20020630 PTL  0x0000001e) @ 0x1ff7bf64
ACPI: BOOT (v001 ACER   IBIS     0x20020630  LTP 0x00000001) @ 0x1ff7bfd8
ACPI: DSDT (v001 ACER   IBIS     0x20020630 MSFT 0x0100000e) @ 0x00000000
Built 1 zonelists
....
ACPI: Looking for DSDT in initrd ... found (at offset 20)!
 found customized DSDT with 23575 bytes!
....
-----------------------------------------------------------------------

Where the custom DSDT was created by applying this fix:
-----------------------------------------------------------------------
--- dsdt.dsl	2004-08-21 14:52:10.000000000 +0200
+++ dsdt-fixed.dsl	2004-08-22 12:20:52.000000000 +0200
@@ -2,7 +2,7 @@
  * Intel ACPI Component Architecture
  * AML Disassembler version 20040715
  *
- * Disassembly of dsdt.dat, Sat Aug 21 14:52:10 2004
+ * Disassembly of dsdt.aml, Sat Aug 21 14:31:55 2004
  */
 DefinitionBlock ("DSDT.aml", "DSDT", 1, "ACER  ", "IBIS    ", 537003568)
 {
@@ -266,6 +266,7 @@
         }
 
         Store (0x00, \_SB.SLEE)
+	Return(Package(0x02){0x00, 0x00})
     }
 
     Scope (_GPE)
@@ -3486,7 +3487,7 @@
 
                                 If (And (0x02, BATF))
                                 {
-                                    Notify (\_SB.ACAD, 0x00)
+                                    Notify (\_SB.ACAD, 0x80)
                                 }
 
                                 Notify (\_SB.BAT1, 0x80)
-----------------------------------------------------------------------

The iasl still spews out two warnings, but I ignored them:
-----------------------------------------------------------------------
Intel ACPI Component Architecture
ASL Optimizing Compiler / AML Disassembler version 20040715 [Aug 21 2004]
Copyright (C) 2000 - 2004 Intel Corporation
Supports ACPI Specification Revision 2.0c

dsdt-fixed.dsl  4747:                         Method (_STA, 0, NotSerialized)
Warning  2019 -     Not all control paths return a value ^  (_STA)

dsdt-fixed.dsl  4747:                         Method (_STA, 0, NotSerialized)
Warning  2026 -      Reserved method must return a value ^  (_STA)

ASL Input:  dsdt-fixed.dsl - 5807 lines, 211377 bytes, 2765 keywords
AML Output: DSDT.aml - 23575 bytes 680 named objects 2085 executable opcodes

Compilation complete. 0 Errors, 2 Warnings, 0 Remarks, 801 Optimizations
-----------------------------------------------------------------------

But I still get only battery events when I plug in the ACAD or unplug
it.



> > - What can I try out to get S2D back again and S2R fully working?
> Try
> Option     "NoAccel"            "yes"
> in the device section in your XF86Config.

Umpf, well, yes, this works. But now even making a 
	ps -ax
makes the redrawing stumble. This cannot be the solution, the only one?!
Are there any other patches I could try?

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Dösinger]

>ACPI: Looking for DSDT in initrd ... found (at offset 20)!
> found customized DSDT with 23575 bytes!
Which kernel? The dsdt in initrd patch doesn't work with 2.6.8.1 for some 
reason. Try the patch which compiles the dsdt into the kernel. Read the 
"another extensive manual", 9a

> Umpf, well, yes, this works. But now even making a
> 	ps -ax
> makes the redrawing stumble. This cannot be the solution, the only one?!
> Are there any other patches I could try?
Do you use a framebuffer? Try without.

Stefan


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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hello Stefan!

On Son, 22 Aug 2004, Stefan Dösinger wrote:
> >ACPI: Looking for DSDT in initrd ... found (at offset 20)!
> > found customized DSDT with 23575 bytes!
>
> Which kernel? The dsdt in initrd patch doesn't work with 2.6.8.1 for some 
> reason. Try the patch which compiles the dsdt into the kernel. Read the 
> "another extensive manual", 9a

Hmm, strange, I have 2.6.8.1-mm4 plus the initrd/dsdt patch running and
the kernel tells me the above. So it tells me that the dsdt is found,
but not used. Thanks for the information, I will check on this.

> > Umpf, well, yes, this works. But now even making a
> > 	ps -ax
> > makes the redrawing stumble. This cannot be the solution, the only one?!
> > Are there any other patches I could try?
>
> Do you use a framebuffer? Try without.

No framebuffer. USB and all other stuff disabled or modular. Of course I
have tried all these already.

Thanks a lot for your patience, und schöne Grüße !

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hi Stefan!

On Son, 22 Aug 2004, Norbert Preining wrote:
> On Son, 22 Aug 2004, Stefan Dösinger wrote:
> > >ACPI: Looking for DSDT in initrd ... found (at offset 20)!
> > > found customized DSDT with 23575 bytes!
> >
> > Which kernel? The dsdt in initrd patch doesn't work with 2.6.8.1 for some 
> > reason. Try the patch which compiles the dsdt into the kernel. Read the 
> > "another extensive manual", 9a

Bingo. THanks for the hint. Now I am getting ac_adapter events. Great.

Now I have only to get S2D and S2R to be fixed ...

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Dösinger]

> Now I have only to get S2D and S2R to be fixed ...
What video adapter do you have and what driver do you use?


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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hello Stefan!

On Son, 22 Aug 2004, Stefan Dösinger wrote:
> > Now I have only to get S2D and S2R to be fixed ...
> What video adapter do you have and what driver do you use?

ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500]

driver = radeon

(more or less current information
http://www.logic.at/people/preining/acer/)

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Seyfried]

On Fri, Aug 20, 2004 at 06:19:11PM +0200, Norbert Preining wrote:

> With S2D I had success up to 2.6.7-mm5 (I didn't check all the inbetween
> kernels), but with 2.6.8.1-mmX and rc4-mmX the laptop suspends without
> any problems (besides I have to stop mysqld), even with X running (ATI
> Radeon 7500M 0000:01:00.0 VGA compatible controller: ATI Technologies
> Inc Radeon Mobility M7 LW [Radeon Mobility 7500]).
> 
> With the newer kernels resuming does not work anymore, there are many

cat /sys/power/disk ??
does "echo -n shutdown > /sys/power/disk" prior to suspending help?

> Now my questions:
> - Can the missing battery (dis)charge rate be fixed? Is this an hardware
>   defect, i.e. the battery does not send the information, or are there
>   other reasons?
> - Same with the AC Adapter, why does it send no event at all?

Acer notebooks are notorious for these errors. Don't know if the hardware
or only the DSDT are just full of sh**
-- 
Stefan Seyfried



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Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hi Stefan! Hi list!

On Mon, 23 Aug 2004, Stefan Seyfried wrote:
> > With S2D I had success up to 2.6.7-mm5 (I didn't check all the inbetween
> > kernels), but with 2.6.8.1-mmX and rc4-mmX the laptop suspends without
> > any problems (besides I have to stop mysqld), even with X running (ATI
> > Radeon 7500M 0000:01:00.0 VGA compatible controller: ATI Technologies
> > Inc Radeon Mobility M7 LW [Radeon Mobility 7500]).
> > 
> > With the newer kernels resuming does not work anymore, there are many
> 
> cat /sys/power/disk ??

sys mem disk

> does "echo -n shutdown > /sys/power/disk" prior to suspending help?

no, not really. And I found that it may be the b44 driver, because this
one Ooops when resuming. I will try to capture the syslog output ..

I also see that the writing process of data to swap is much slower than
prior to the pmdisk/swsusp merge.

> > - Same with the AC Adapter, why does it send no event at all?
> 
> Acer notebooks are notorious for these errors. Don't know if the hardware
> or only the DSDT are just full of sh**

Thanks to the previous posters I fixed this and posted a fixed dsdt
table to acpi.sf.net. See also www.logic.at/people/preining/acer

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Seyfried]

On Mon, Aug 23, 2004 at 12:35:15PM +0200, Norbert Preining wrote:
> Hi Stefan! Hi list!
> 
> > > With the newer kernels resuming does not work anymore, there are many
> > 
> > cat /sys/power/disk ??
> 
> sys mem disk

no, that's /sys/power/state.

> > does "echo -n shutdown > /sys/power/disk" prior to suspending help?
> 
> no, not really. And I found that it may be the b44 driver, because this
> one Ooops when resuming. I will try to capture the syslog output ..

Ah, i thought you tried it with init=/bin/bash. Read the swsusp parts of
Documentation/power/ and start testing with a minimal configuration. But
yes, the b44 made trouble for me, too. Unloading it before and reloading
after suspen worked around these.
 
> I also see that the writing process of data to swap is much slower than
> prior to the pmdisk/swsusp merge.

which one did you use before? pmdisk or swsusp? I used swsusp before
and have seen no regressions so far.

> Thanks to the previous posters I fixed this and posted a fixed dsdt
> table to acpi.sf.net. See also www.logic.at/people/preining/acer

Ok, i have to try this out on the new acer prototype i have, maybe we
can kick their BIOS engineers' butts to finally ship a non-broken BIOS.
-- 
Stefan Seyfried



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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hi Stefan, hi list!

On Die, 24 Aug 2004, Stefan Seyfried wrote:
> > > cat /sys/power/disk ??

Oops, I ment
	standby mem disk
(typing error)

> Documentation/power/ and start testing with a minimal configuration. But
> yes, the b44 made trouble for me, too. Unloading it before and reloading
> after suspen worked around these.

I found that the b44 is the culprit (see other posting). Unloading it
make ssuspend/resume (to/from disk) work even with full system running.

But: I cannot load b44 module, I always get this treadfull error, see
other thread about 
	b44: Error, poll already scheduled

> > Thanks to the previous posters I fixed this and posted a fixed dsdt
> > table to acpi.sf.net. See also www.logic.at/people/preining/acer
> 
> Ok, i have to try this out on the new acer prototype i have, maybe we
> can kick their BIOS engineers' butts to finally ship a non-broken BIOS.

Well, the dsdt stuff is not too bad I would say. There have been only
three small problems. When I think back to the dsdt I had on an old dell
inspiron it was much worse AFAIR.

AND: If you are in kicking the engenieers: Could you please ask them WHY
ON EARTH did they set the latency limit of the C2 state to 101, effectively
disabling the usage of C2?

I am running my laptop since long time with a patch to disable the limit
check for C2 and have NO problems till now (see
www.logic.at/people/preining/acer/ for the C2 hack and the DSDT fix).


Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Nathan Bryant]

Norbert Preining wrote:

> But: I cannot load b44 module, I always get this treadfull error, see
> other thread about 
> 	b44: Error, poll already scheduled

Right now this looks like a driver issue, since the driver isn't 
claiming the interrupt after resume. (From your /proc/interrupts in your 
previous email.)

Somebody needs to check if there is some code path that could prevent 
b44 from calling request_irq()...


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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

Hi Nathan, Stefan, list!

On Mit, 25 Aug 2004, Nathan Bryant wrote:
> Right now this looks like a driver issue, since the driver isn't 
> claiming the interrupt after resume. (From your /proc/interrupts in your 
> previous email.)
> 
> Somebody needs to check if there is some code path that could prevent 
> b44 from calling request_irq()...

Ok, with the b44 code:

int b44_open 
	b44_alloc_consistent
	request_irq

in b44_alloc_consistent there are several kmalloc calls, memsets and a
call to pci_alloc_consistent. Nothing else.

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
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b44 driver suspend/resume (was Re: [ACPI] Re: Re: various problems with Acer TM654, suspend, ACAD, radeon)

[Nathan Bryant]

Nathan Bryant wrote:
> Norbert Preining wrote:
> 
>> But: I cannot load b44 module, I always get this treadfull error, see
>> other thread about     b44: Error, poll already scheduled
> 
> 
> Right now this looks like a driver issue, since the driver isn't 
> claiming the interrupt after resume. (From your /proc/interrupts in your 
> previous email.)
> 
> Somebody needs to check if there is some code path that could prevent 
> b44 from calling request_irq()...
> 

Oops, never mind that. That's just because you hadn't ifup'd the device 
yet. But I still suspect a driver issue; your IRQ routing looks like it 
should be OK, but somebody is sending repeated interrupts. You could 
test with "acpi=noirq", but I don't think that will help.

What seems to be happening is the b44 hardware (or somebody else on 
irq5, maybe usb) is posting interrupts and the b44's status bit is never 
getting cleared.

This could be happening because the PCI card's I/O space hasn't been 
mapped. When I/O space is not mapped, you tend to read 0xFF from the I/O 
space, which would cause our IRQ handler to behave like this. I guess it 
wouldn't be mapped because the machine has just booted (resume from 
disk.) I'm not sure why the kernel doesn't seem to remap the I/O space 
when we call pci_enable_device(), but I have seen and fixed similar 
issues in 3c59x. See 
http://marc.theaimsgroup.com/?l=linux-net&m=109228179320361&w=2

Maybe what's happening here is the kernel believes I/O is already 
mapped, because it has loaded the memory image from before suspend.

I think the first step is to fix the b44 driver's suspend and resume 
callbacks. They are definitely missing some critical PCI calls.

Re: b44 driver suspend/resume (was Re: [ACPI] Re: Re: various problems with Acer TM654, suspend, ACAD, radeon)

[Norbert Preining]

Hi Nathan!

On Mit, 25 Aug 2004, Nathan Bryant wrote:
> >Somebody needs to check if there is some code path that could prevent 
> >b44 from calling request_irq()...
> 
> Oops, never mind that. That's just because you hadn't ifup'd the device 

I did.

> yet. But I still suspect a driver issue; your IRQ routing looks like it 
> should be OK, but somebody is sending repeated interrupts. You could 
> test with "acpi=noirq", but I don't think that will help.

It worked!!!! Yes, no problems. Booting with acpi=noirq and loading the
b44 module let it find irq 5 and it is working. I am writing this email
from after a resume, even X worked out of the box.

> Maybe what's happening here is the kernel believes I/O is already 
> mapped, because it has loaded the memory image from before suspend.
> 
> I think the first step is to fix the b44 driver's suspend and resume 
> callbacks. They are definitely missing some critical PCI calls.

What it means that it works with acpi=noirq with regard to the above --
no idea. YOu know better.

So, is this something which should be fixed? That it is not working
without acpi=noirq?

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
What the hell, he thought, you're only young once, and
threw himself out of the window. That would at least keep
the element of surprise on his side.
                 --- Ford outwitting a Vogon with a rocket launcher by going
                 --- into another certain death situation.
                 --- Douglas Adams, The Hitchhikers Guide to the Galaxy

Re: b44 driver suspend/resume (was Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon)

[Nathan Bryant]

Norbert Preining wrote:
> Hi Nathan!
> 
> On Mit, 25 Aug 2004, Nathan Bryant wrote:
>>
>>Oops, never mind that. That's just because you hadn't ifup'd the device 
> 
> 
> I did.

Before you ran cat /proc/interrupts after resume? Are you sure? eth0 
didn't appear anywhere in there...

> 
> 
>>yet. But I still suspect a driver issue; your IRQ routing looks like it 
>>should be OK, but somebody is sending repeated interrupts. You could 
>>test with "acpi=noirq", but I don't think that will help.
> 
> 
> It worked!!!! Yes, no problems. Booting with acpi=noirq and loading the
> b44 module let it find irq 5 and it is working. I am writing this email
> from after a resume, even X worked out of the box.

Back to the drawing board. :( That means there's still something wrong 
with pci_link.c


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Re: b44 driver suspend/resume (was Re: [ACPI] Re: Re: various problems with Acer TM654, suspend, ACAD, radeon)

[Norbert Preining]

On Mit, 25 Aug 2004, Nathan Bryant wrote:
> >It worked!!!! Yes, no problems. Booting with acpi=noirq and loading the
> >b44 module let it find irq 5 and it is working. I am writing this email
> >from after a resume, even X worked out of the box.
> 
> Back to the drawing board. :( That means there's still something wrong 
> with pci_link.c

SOme more information: I successfully completed a suspend/resume cycle
even with b44 loaded! Not even my ssh connection broke down!

Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
HIGH OFFLEY (n.)
Gossnargh (q.v.) three weeks later.
			--- Douglas Adams, The Meaning of Liff

Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Karol Kozimor]

Thus wrote Norbert Preining:
> AND: If you are in kicking the engenieers: Could you please ask them WHY
> ON EARTH did they set the latency limit of the C2 state to 101, effectively
> disabling the usage of C2?

Well, you've just answered yourself :)
Seriously though, they might have overreacted / misread the erratum. ICH3-M
does not like to enter C2/C3 when in IO-APIC mode, that's for sure.
Best regards,

-- 
Karol 'sziwan' Kozimor
himself running on forced C3
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Norbert Preining]

On Mit, 25 Aug 2004, Karol Kozimor wrote:
> > AND: If you are in kicking the engenieers: Could you please ask them WHY
> > ON EARTH did they set the latency limit of the C2 state to 101, effectively
> > disabling the usage of C2?
> 
> Well, you've just answered yourself :)
> Seriously though, they might have overreacted / misread the erratum. ICH3-M
> does not like to enter C2/C3 when in IO-APIC mode, that's for sure.

??? Sorry for my complete lack of understanding: What does this mean? Do
you say that my laptop shouldn't run at all or have problems?

My /proc/acpi/processor/CPU0/power says:
active state:            C2
default state:           C1
bus master activity:     00000000
states:
    C1:                  promotion[C2] demotion[--] latency[000] usage[00352530]
   *C2:                  promotion[--] demotion[C1] latency[101] usage[10009625]
    C3:                  <not supported>

So it is working.

AND: I had suspend2disk run with the pmdisk code (before it was
merged/ripped out) without any problems, even with the b44 driver
loaded.

AND: Problems only arise with suspend2disk, not in normal operation.

So should I undo the C2 fix? Do you say that this is dangerous for the
laptop?

> Karol 'sziwan' Kozimor
> himself running on forced C3

;-)


Best wishes

Norbert

-------------------------------------------------------------------------------
Norbert Preining <preining AT logic DOT at>         Technische Universität Wien
gpg DSA: 0x09C5B094      fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
-------------------------------------------------------------------------------
BURTON COGGLES
A bunch of keys found in a drawer whose purpose has long been
forgotten, and which can therefore now be used only for dropping down
people's backs as a cure for nose-bleeds.
			--- Douglas Adams, The Meaning of Liff


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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Karol Kozimor]

Thus wrote Norbert Preining:
> > Well, you've just answered yourself :)
> > Seriously though, they might have overreacted / misread the erratum. ICH3-M
> > does not like to enter C2/C3 when in IO-APIC mode, that's for sure.
> 
> ??? Sorry for my complete lack of understanding: What does this mean? Do
> you say that my laptop shouldn't run at all or have problems?

You have both LAPIC and IO-APIC disabled by BIOS, shouldn't be a problem.

> So should I undo the C2 fix? Do you say that this is dangerous for the
> laptop?

For your data, possibly, but only if IO-APIC was enabled.
Best regards,

-- 
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


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Re: Re: Re: various problems with Acer TM654, suspend, ACAD, radeon

[Stefan Seyfried]

On Wed, Aug 25, 2004 at 03:11:09PM +0200, Norbert Preining wrote:
> Hi Stefan, hi list!
> 
> On Die, 24 Aug 2004, Stefan Seyfried wrote:
> > > > cat /sys/power/disk ??
> 
> Oops, I ment
> 	standby mem disk
> (typing error)

that's still /sys/power/state, not /sys/power/disk but since it works
for you now, there is no need to find out what is in there ;-)
-- 
Stefan Seyfried



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