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Old 01-04-2008, 02:34 PM
"Florian Junghanns"
 
Default ubuntu-users Digest, Vol 41, Issue 19

Paul S said the following on 02/01/2008 08:32 PM
Paul S said the following on 12/31/2007 08:13 AM:

> Florian Junghanns said the following on 12/30/2007 10:08 AM:
>>**** ATI Mobility Radeon X1600 (Seems that is the thing which is making
>>**** trouble...)
>>
>>**** The symptoms are:

>>**** I tell my notebook: Go to Suspend mode. It does immediately. But
>>**** waking up seems pretty difficult - it shows nothing, but is working.
>>**** Screen is black, without light.
>>**** Hibernate mode: Screen turns black, but with background light.

>> Freeze.
>
> I have been working to find a driver that works with my ATI X1400 as
> well.**Here's my experience:
>
> The fglrx driver for ATI video cards has broken suspend / hibernate on

> gutsy.**The fix from ATI is in version 7.12, from
> http://wiki.cchtml.com/index.php/Ubuntu_Gutsy_Installation_Guide.**The
> Guide works ok, but forgot to say that you have to edit

> /etc/defaults/acpi-support to change POST_VIDEO=false.
>
> With fglrx 7.12, you can suspend but not hibernate, and it only works
> with Desktop Effects turned off.

Here's some more suggestion to get both suspend and hibernate working

well with fglrx 7.12 on gutsy, with no Desktop Effects:

in /etc/defaults/acpi-support:
MODULES_WHITELIST="fglrx"
MODULES="usbhid,uhci_hcd"
SAVE_VBE_STATE=false
POST_VIDEO=false

DOUBLE_CONSOLE_SWITCH=true
Thank you very much, that helped me finally solve the problem of hibernating and suspending! I worked now for 14 or more days on it...
The only change I had to do was setting* "SAVE_VBE_STATE=true".


The usbhid and uhci_hcd are useful if you have a usb keyboard, printer
or camera, but not necessary if you don't.


It's working well here with these changes.**Now it's as good as radeonhd!

>
> The only driver to work for both suspend and hibernate is the
> experimental radeonhd at
http://wiki.x.org/wiki/radeonhd
> It does not support 3D acceleration or Xv, so dvd's are not as sharp and
> Desktop Effects do not work at all.**But, suspend and hibernate work
> flawless.
>

> HTH,

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