S3 freezes on wake on NC6000 laptop

S3 freezes on wake on NC6000 laptop

[Lorenzo Colitti]

Hi,

I am trying to get S3 (suspend to RAM) to work on an HP NC6000 laptop with 
no success. The system seems to enter the S3 state correctly, but when I 
turn back on it freezes completely.

I tried booting with no modules and no processes loaded (init=/bin/sh) and 
with a serial console, but I can't see anything helpful. What I see is this:

> kjournald starting.  Commit interval 5 seconds
> sh-3.00# mount -t proc proc /proc
> sh-3.00# mount -t sysfs sys /sys
> sh-3.00# echo C057 > /proc/acpi/wakeup
> sh-3.00# cat /proc/acpi/wakeup
> Device  Sleep state     Status
> C057       5             enabled
> sh-3.00# echo mem > /sys/power/state
> radeonfb (0000:01:00.0): suspending to state: 2...
> PM: Entering state.
>  hwsleep-0307 [04] acpi_enter_sleep_state: Entering sleep state [S3]

After that, it seems that the system goes to sleep. There is nothing on the 
screen, the HD stops, and the power light starts blinking.

However, when I turn the machine back on it freezes completely. The HD 
starts, the power light comes on, but the serial console is unresponsive, 
the keyboard doesn't seem to work, and it won't turn off again, even if I 
hold the power button for 5 seconds.

I am using a vanilla 2.6.11-rc3 kernel with the swsusp2 patch. Is there 
anything I can do to help debug this? I have acpi debugging compiled into 
the kernel, but I don't know how to use it.

Any info would be appreciated!


Cheers,
Lorenzo


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Re: S3 freezes on wake on NC6000 laptop

[Carl-Daniel Hailfinger]

Hi,

Lorenzo Colitti schrieb:
> Hi,
> 
> I am trying to get S3 (suspend to RAM) to work on an HP NC6000 laptop
> with no success. The system seems to enter the S3 state correctly, but
> when I turn back on it freezes completely.
> 
> I tried booting with no modules and no processes loaded (init=/bin/sh)
> and with a serial console, but I can't see anything helpful. What I see
> is this:
> 
>> kjournald starting.  Commit interval 5 seconds
>> sh-3.00# mount -t proc proc /proc
>> sh-3.00# mount -t sysfs sys /sys
>> sh-3.00# echo C057 > /proc/acpi/wakeup
>> sh-3.00# cat /proc/acpi/wakeup
>> Device  Sleep state     Status
>> C057       5             enabled
>> sh-3.00# echo mem > /sys/power/state
>> radeonfb (0000:01:00.0): suspending to state: 2...

Ah, radeonfb. Please don't use radeonfb if you want to have any chance in
resuming. Don't use any framebuffer on systems with radeon cards. It will
freeze your machine completely. Actually, any graphics activity (framebuffer
or X or svga access) will freeze it.

Without framebuffer, your machine will come back from sleep, but you won't
get any video. We're currently busy to write code which will help radeon
users (I'm one of them).

>> PM: Entering state.
>>  hwsleep-0307 [04] acpi_enter_sleep_state: Entering sleep state [S3]
> 
> 
> After that, it seems that the system goes to sleep. There is nothing on
> the screen, the HD stops, and the power light starts blinking.
> 
> However, when I turn the machine back on it freezes completely. The HD
> starts, the power light comes on, but the serial console is
> unresponsive, the keyboard doesn't seem to work, and it won't turn off
> again, even if I hold the power button for 5 seconds.


Regards,
Carl-Daniel
-- 
http://www.hailfinger.org/


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Re: S3 freezes on wake on NC6000 laptop

[Karol Kozimor]

Thus wrote Carl-Daniel Hailfinger:
> Ah, radeonfb. Please don't use radeonfb if you want to have any chance in
> resuming. Don't use any framebuffer on systems with radeon cards. It will
> freeze your machine completely. Actually, any graphics activity (framebuffer
> or X or svga access) will freeze it.

That's sort of incorrect, I've used radeonfb since late 2.5.X builds and I
don't remember it causing any problems resuming (of course, I need
acpi_sleep=s3_bios, but that's another thing). Radeonfb will resume just
fine, provided the underlying hardware is in a sane state. Granted, it may
cause freezes, but it's definitely not so that removing it will magically
cause your video to work or that it does always hang the machine.
Best regards,

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


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Re: S3 freezes on wake on NC6000 laptop

[Stefan Schweizer]

On Mon, 7 Feb 2005 18:53:55 +0100, Karol Kozimor <sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org> wrote:
> That's sort of incorrect, I've used radeonfb since late 2.5.X builds and I
> don't remember it causing any problems resuming (of course, I need
> acpi_sleep=s3_bios, but that's another thing). Radeonfb will resume just
> fine, provided the underlying hardware is in a sane state. Granted, it may
> cause freezes, but it's definitely not so that removing it will magically
> cause your video to work or that it does always hang the machine.

Do you have to press a key on resume to be able to come back?

Thats one of my major problems with ole's patch to get video back with
radeonfb when s3_bios does not work.

Regards,
Stefan


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Re: S3 freezes on wake on NC6000 laptop

[Karol Kozimor]

Thus wrote Stefan Schweizer:
> > That's sort of incorrect, I've used radeonfb since late 2.5.X builds and I
> > don't remember it causing any problems resuming (of course, I need
> > acpi_sleep=s3_bios, but that's another thing). Radeonfb will resume just
> > fine, provided the underlying hardware is in a sane state. Granted, it may
> > cause freezes, but it's definitely not so that removing it will magically
> > cause your video to work or that it does always hang the machine.
> 
> Do you have to press a key on resume to be able to come back?
> 
> Thats one of my major problems with ole's patch to get video back with
> radeonfb when s3_bios does not work.

I don't really understand. I resume the usual way, by pressing a random key
or the power button. No additional presses needed.
Best regards,

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


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Re: S3 freezes on wake on NC6000 laptop

[Pavel Machek]

Hi!

> I am trying to get S3 (suspend to RAM) to work on an HP NC6000 laptop with 
> no success. The system seems to enter the S3 state correctly, but when I 
> turn back on it freezes completely.
> 
> I tried booting with no modules and no processes loaded (init=/bin/sh) and 
> with a serial console, but I can't see anything helpful. What I see
> is this:

Drop radeonfb, and drop swsusp2 patch. Apply this, and lets see if you
can hear beep during wakeup.
									Pavel 

--- clean/arch/i386/kernel/acpi/wakeup.S	2005-01-22 21:24:51.000000000 +0100
+++ linux/arch/i386/kernel/acpi/wakeup.S	2004-12-25 15:51:04.000000000 +0100
@@ -11,7 +11,22 @@
 #
 # If physical address of wakeup_code is 0x12345, BIOS should call us with
 # cs = 0x1234, eip = 0x05
-# 
+#
+
+#define BEEP \
+	inb	$97, %al; 	\
+	outb	%al, $0x80; 	\
+	movb	$3, %al; 	\
+	outb	%al, $97; 	\
+	outb	%al, $0x80; 	\
+	movb	$-74, %al; 	\
+	outb	%al, $67; 	\
+	outb	%al, $0x80; 	\
+	movb	$-119, %al; 	\
+	outb	%al, $66; 	\
+	outb	%al, $0x80; 	\
+	movb	$15, %al; 	\
+	outb	%al, $66;
 
 ALIGN
 	.align	4096
@@ -20,6 +35,7 @@
 	wakeup_code_start = .
 	.code16
 
+	BEEP
  	movw	$0xb800, %ax
 	movw	%ax,%fs
 	movw	$0x0e00 + 'L', %fs:(0x10)


-- 
People were complaining that M$ turns users into beta-testers...
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Re: S3 freezes on wake on NC6000 laptop

[Nigel Cunningham]

Hi.

Suspend2 doesn't touch wakeup.S; he should be able to test without
reversing it if he wants to.

Regards,

Nigel

On Tue, 2005-02-08 at 09:36, Pavel Machek wrote:
> Hi!
> 
> > I am trying to get S3 (suspend to RAM) to work on an HP NC6000 laptop with 
> > no success. The system seems to enter the S3 state correctly, but when I 
> > turn back on it freezes completely.
> > 
> > I tried booting with no modules and no processes loaded (init=/bin/sh) and 
> > with a serial console, but I can't see anything helpful. What I see
> > is this:
> 
> Drop radeonfb, and drop swsusp2 patch. Apply this, and lets see if you
> can hear beep during wakeup.
> 									Pavel 
> 
> --- clean/arch/i386/kernel/acpi/wakeup.S	2005-01-22 21:24:51.000000000 +0100
> +++ linux/arch/i386/kernel/acpi/wakeup.S	2004-12-25 15:51:04.000000000 +0100
> @@ -11,7 +11,22 @@
>  #
>  # If physical address of wakeup_code is 0x12345, BIOS should call us with
>  # cs = 0x1234, eip = 0x05
> -# 
> +#
> +
> +#define BEEP \
> +	inb	$97, %al; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$3, %al; 	\
> +	outb	%al, $97; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$-74, %al; 	\
> +	outb	%al, $67; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$-119, %al; 	\
> +	outb	%al, $66; 	\
> +	outb	%al, $0x80; 	\
> +	movb	$15, %al; 	\
> +	outb	%al, $66;
>  
>  ALIGN
>  	.align	4096
> @@ -20,6 +35,7 @@
>  	wakeup_code_start = .
>  	.code16
>  
> +	BEEP
>   	movw	$0xb800, %ax
>  	movw	%ax,%fs
>  	movw	$0x0e00 + 'L', %fs:(0x10)
-- 
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com

Ph: +61 (2) 6292 8028      Mob: +61 (417) 100 574



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Re: S3 freezes on wake on NC6000 laptop

[Lorenzo Colitti]

Pavel Machek wrote:
>>I tried booting with no modules and no processes loaded (init=/bin/sh) and 
>>with a serial console, but I can't see anything helpful. What I see
>>is this:
> 
> Drop radeonfb, and drop swsusp2 patch.

Done: the machine wakes up. Video does not work, but pressing caps lock 
toggles the led and typing "find /" starts the hard disk grinding. If I 
pass acpi_sleep=s3_bios on the command line, even video works.

Summary:

- radeonfb on its own freezes the machine on wakeup
- swsusp2 on its own also freezes on wakeup (but even worse:
   you can't even power off by holding the power button)
- With no radeonfb and no swsusp2, the machine wakes up
   - If I also use acpi_sleep=s3_bios, the machine wakes up,
     and I get video too

> Apply this, and lets see if you can hear beep during wakeup.

I didn't apply it because things already seemed to be working without it 
(using acpi_sleep=s3_bios I get video, without it I don't but the 
machine wakes up all the same). Do you want me to test with the patch as 
well? What do I need to do?


Cheers,
Lorenzo


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Re: S3 freezes on wake on NC6000 laptop

[Nigel Cunningham]

Hi.

On Tue, 2005-02-08 at 11:19, Lorenzo Colitti wrote:
> Done: the machine wakes up. Video does not work, but pressing caps lock 
> toggles the led and typing "find /" starts the hard disk grinding. If I 
> pass acpi_sleep=s3_bios on the command line, even video works.
> 
> Summary:
> 
> - radeonfb on its own freezes the machine on wakeup
> - swsusp2 on its own also freezes on wakeup (but even worse:
>    you can't even power off by holding the power button)
> - With no radeonfb and no swsusp2, the machine wakes up
>    - If I also use acpi_sleep=s3_bios, the machine wakes up,
>      and I get video too
> 

If that's the case, something is broken in Suspend2. Can you confirm
that please by removing Radeon but adding Suspend2?

Nigel
-- 
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com

Ph: +61 (2) 6292 8028      Mob: +61 (417) 100 574



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Re: S3 freezes on wake on NC6000 laptop

[Lorenzo Colitti]

Nigel Cunningham wrote:
>>- swsusp2 on its own also freezes on wakeup (but even worse:
>>   you can't even power off by holding the power button)
> 
> If that's the case, something is broken in Suspend2. Can you confirm
> that please by removing Radeon but adding Suspend2?

Actually it's not swsusp2's fault. The working kernel has a rather 
stripped-down config, and the non-working kernel has a much more 
complicated configuration. If I add swsusp2 to the stripped-down kernel, S3 
sleep still works.

I'm currently trying to find out what it is wrong in the other .config that 
breaks S3; I suspect preemption, but I'm not sure yet.


Cheers,
Lorenzo


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Re: S3 freezes on wake on NC6000 laptop

[Nigel Cunningham]

Hi.

On Tue, 2005-02-08 at 13:07, Lorenzo Colitti wrote:
> Nigel Cunningham wrote:
> >>- swsusp2 on its own also freezes on wakeup (but even worse:
> >>   you can't even power off by holding the power button)
> > 
> > If that's the case, something is broken in Suspend2. Can you confirm
> > that please by removing Radeon but adding Suspend2?
> 
> Actually it's not swsusp2's fault. The working kernel has a rather 
> stripped-down config, and the non-working kernel has a much more 
> complicated configuration. If I add swsusp2 to the stripped-down kernel, S3 
> sleep still works.

Okay. From my perspective, that's good :>

Regards,

Nigel

-- 
Nigel Cunningham
Software Engineer, Canberra, Australia
http://www.cyclades.com

Ph: +61 (2) 6292 8028      Mob: +61 (417) 100 574



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Re: S3 freezes on wake on NC6000 laptop

[Karol Kozimor]

Thus wrote Lorenzo Colitti:
> - radeonfb on its own freezes the machine on wakeup

Is it modular? Try building into the kernel if so.
Best regards,

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


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Re: S3 freezes on wake on NC6000 laptop

[Lorenzo Colitti]

Karol Kozimor wrote:
>>- radeonfb on its own freezes the machine on wakeup
> 
> Is it modular? Try building into the kernel if so.

Actually, it was builtin.
I think I tried it as a module too and it crashed in the same way...


Cheers,
Lorenzo


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Re: S3 freezes on wake on NC6000 laptop

[Pavel Machek]

Hi!

> >Apply this, and lets see if you can hear beep during wakeup.
> 
> I didn't apply it because things already seemed to be working without it 
> (using acpi_sleep=s3_bios I get video, without it I don't but the 
> machine wakes up all the same). Do you want me to test with the patch as 
> well? What do I need to do?

Ignore the patch; it works for you -- no need add beeps.
								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!


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Re: S3 freezes on wake on NC6000 laptop

[Lorenzo Colitti]

Pavel Machek wrote:
> Apply this, and lets see if you can hear beep during wakeup.

Doh! I just realized that the only function of the patch is to give a 
beep on startup. Please ignore my "should I test this patch anyway" 
question. :)


Cheers,
Lorenzo


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