Re: suspend to RAM on lifebook 7110

Miroslav Ruda
2006-12-18T16:53:02Z

Stefan Seyfried wrote:
> Hi Miroslav,
>
> i'm taking suspend-devel into cc:, maybe somebody there has an idea about
> this, too.
>
> On Thu, Dec 07, 2006 at 11:18:31PM +0100, Miroslav Ruda wrote:
>> Hi,
>>
>> I'm installing opensuse 10.2 on Fujitsu Siemens Lifebook 7110 (intel
>> dual core, intel 965 chipset, intel 945 graphics chipset ...).
>> Most of hardware works fine, but I have some problems with suspend to
>> ram - suspend/resume using s2ram works fine, but display remains nearly
>> black. I can see very hardly what's on display, but machine including
>> network works fine.
>
> So the graphics card is back up, it is really just the backlight that stays
> off.
>
>> I have tested s2ram on Suse 2.6.18.2-23-default or vanila 2.6.19+swsusp2
>> with the same problems.
>>
>> s2ram -i returns
>> This machine can be identified by:
>> sys_vendor = "FUJITSU SIEMENS"
>> sys_product = "LIFEBOOK S7110"
>> sys_version = " "
>> bios_version = "Version 1.18 "
>>
>> s2ram -f -a[0123] gives the same result, -s -p combinations doesn't work
>> too. Switching back to text console doesn't help. Using xset dpms force
>> off doesn't help too. The same problem I have both on text console and
>> using Xserver.
>
> Does this machine have fn-keycombos for adjusting the screen brightness?
> Try those. I have seen a FSC Q-series (?) that needed just one touch of
> the brightness-up key to turn back on the light.
>
> Once we realized this, we could also poke it via the ACPI video module
> (just increase the brightness by one level, then decrease it again) and
> this also switched the light back on.

Fn-brightness-down (really down, not up) helps me with the same problem
on older Lifebook S7020 (i915 chipset). However, on Lifebok S7110 non of
Fn- keys or switching off/on display does the same trick :-(

Miroslav Ruda