[2.6.18] Suspend to ram and SATA

[2.6.18] Suspend to ram and SATA

[Maciej Rutecki]

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I have problem with suspend to ram, and my SATA drive. When I try:

echo mem > /sys/power/state

system goes standby, but when doing the resume it
would come back and have I/O errors similar like this ((copied from
paper notes, the disk is no longer writable when the error happens)

kernel: journal commit I/O error
end_request: I/O error, dev sda, sector xxxxxxxx
sd 0:0:0:0: SCSI error return code: 0xxxxxx

Problem is similar like this:
http://marc.theaimsgroup.com/?l=linux-kernel&m=111409309804068&w=2
http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux
http://lkml.org/lkml/2005/9/23/97

I test it in 2.6.18.1 (with initrd) and 2.6.18 (with and without initrd).

Hardware: HP/Compaq nx6310

-- 
Maciej Rutecki <maciej.rutecki@gmail.com>
http://www.unixy.pl
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)

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Re: [2.6.18] Suspend to ram and SATA

[Rafael J. Wysocki]

On Thursday, 2 November 2006 22:22, Maciej Rutecki wrote:
> I have problem with suspend to ram, and my SATA drive. When I try:
> 
> echo mem > /sys/power/state
> 
> system goes standby, but when doing the resume it
> would come back and have I/O errors similar like this ((copied from
> paper notes, the disk is no longer writable when the error happens)
> 
> kernel: journal commit I/O error
> end_request: I/O error, dev sda, sector xxxxxxxx
> sd 0:0:0:0: SCSI error return code: 0xxxxxx
> 
> Problem is similar like this:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=111409309804068&w=2
> http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux
> http://lkml.org/lkml/2005/9/23/97
> 
> I test it in 2.6.18.1 (with initrd) and 2.6.18 (with and without initrd).
> 
> Hardware: HP/Compaq nx6310

Can you please test 2.6.19-rc4 with CONFIG_DISABLE_CONSOLE_SUSPEND
unset?

Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller

Re: [2.6.18] Suspend to ram and SATA

[Martin Lorenz]

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On Thu, Nov 02, 2006 at 10:22:56PM +0100, Maciej Rutecki wrote:
> I have problem with suspend to ram, and my SATA drive. When I try:
> 
> echo mem > /sys/power/state
> 
> system goes standby, but when doing the resume it
> would come back and have I/O errors similar like this ((copied from
> paper notes, the disk is no longer writable when the error happens)
> 
> kernel: journal commit I/O error
> end_request: I/O error, dev sda, sector xxxxxxxx
> sd 0:0:0:0: SCSI error return code: 0xxxxxx
> 
> Problem is similar like this:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=111409309804068&w=2
> http://www.thinkwiki.org/wiki/Problems_with_SATA_and_Linux
> http://lkml.org/lkml/2005/9/23/97
> 
> I test it in 2.6.18.1 (with initrd) and 2.6.18 (with and without initrd).

for 2.6.18 there is a patch which makes AHCI sata behave correctly on
suspend/resume. it was originally written by Forrest Zhao and is now
included in the 2.6.19-rcX tree

you can apply the libata patch that went into 2.6.18-mm1. it is to be found
in the broken-out dir of 2.6.18-mm1 and named
git-libata-all-2.6.18-mm1.patch

when applying it to 2.6.18.1 you will get three rejects because the patches
are already in 2.6.18.1. simply say 'n' -> 'n' on those three. 


> 
> Hardware: HP/Compaq nx6310
> 
> -- 
> Maciej Rutecki <maciej.rutecki@gmail.com>
> http://www.unixy.pl
> LTG - Linux Testers Group
> (http://www.stardust.webpages.pl/ltg/wiki/)











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  mlo
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Re: [2.6.18] Suspend to ram and SATA

[Maciej Rutecki]

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Rafael J. Wysocki napisał(a):

> 
> Can you please test 2.6.19-rc4 with CONFIG_DISABLE_CONSOLE_SUSPEND
> unset?
> 
> Rafael
> 
> 
I don't have this option:

rutek:/usr/src/linux-2.6.19-rc4# cat .config | grep SUSPEND
CONFIG_SOFTWARE_SUSPEND=y
CONFIG_SUSPEND_SMP=y
CONFIG_USB_SUSPEND=y

but suspend to ram seems to work (I did't see any problem). Thanks for
help :-)


-- 
Maciej Rutecki <maciej.rutecki@gmail.com>
http://www.unixy.pl
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)


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Re: [2.6.18] Suspend to ram and SATA

[Rafael J. Wysocki]

On Friday, 3 November 2006 20:34, Maciej Rutecki wrote:
> Rafael J. Wysocki napisał(a):
> 
> > 
> > Can you please test 2.6.19-rc4 with CONFIG_DISABLE_CONSOLE_SUSPEND
> > unset?
> > 
> > Rafael
> > 
> > 
> I don't have this option:
> 
> rutek:/usr/src/linux-2.6.19-rc4# cat .config | grep SUSPEND
> CONFIG_SOFTWARE_SUSPEND=y
> CONFIG_SUSPEND_SMP=y
> CONFIG_USB_SUSPEND=y

So it is not set which is OK.

> but suspend to ram seems to work (I did't see any problem). Thanks for
> help :-)

You're welcome. :-)


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller

Re: [2.6.18] Suspend to ram and SATA

[Maciej Rutecki]

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Martin Lorenz napisał(a):
> 
> for 2.6.18 there is a patch which makes AHCI sata behave correctly on
> suspend/resume. it was originally written by Forrest Zhao and is now
> included in the 2.6.19-rcX tree
> 
> you can apply the libata patch that went into 2.6.18-mm1. it is to be found
> in the broken-out dir of 2.6.18-mm1 and named
> git-libata-all-2.6.18-mm1.patch
> 
> when applying it to 2.6.18.1 you will get three rejects because the patches
> are already in 2.6.18.1. simply say 'n' -> 'n' on those three. 
> 
A test this patch witch 2.6.18 and works great, thanks :-)

-- 
Maciej Rutecki <maciej.rutecki@gmail.com>
http://www.unixy.pl
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/wiki/)


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