[Cooker] gfxboot: could not detect available memory siz

Hello,

 I try to test the one gnome an i have on an old computer:
 gfxboot: could not detect available memory size
 i send :
 mem=512
 but it say me: could not kind kernel image: mem=512
 i try with livecd, and have the same message with end livecd.

 someone have one idea ? thanks .


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[Thierry Vignaud]

"patrick.2" <patrick.2@...> writes:

>  I try to test the one gnome an i have on an old computer:
>  gfxboot: could not detect available memory size
>  i send :
>  mem=512

1) as stated, you lack a target name
  (eg it should have been "linux mem=512")

2) "mem=" is a kernel parameter that grub knows nothing about.
   thus it's useless

>  but it say me: could not kind kernel image: mem=512
>  i try with livecd, and have the same message with end livecd.
>
>  someone have one idea ? thanks .

Maybe teuf will have.

le Wed, 04 Nov 2009 17:51:14 +0100
Thierry Vignaud <tvignaud@...> à écrit:

> 1) as stated, you lack a target name
>   (eg it should have been "linux mem=512")

Thanks Thierry,

i found the right command is : " live linux mem=512 "



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[Mieszko Kaczmarczyk]

Dnia środa 04 listopad 2009 o 17:51:14 Thierry Vignaud napisał(a):
> >  I try to test the one gnome an i have on an old computer:
> >  gfxboot: could not detect available memory size
> >  i send :
> >  mem=512
>
> 1) as stated, you lack a target name
>   (eg it should have been "linux mem=512")
>

try type a bit less than real:
linux mem=510

On some computers typed real capacity of RAM make unstable system.


Mieszko

[Anssi Hannula-3]

patrick.2 wrote:

> Hello,
>
>  I try to test the one gnome an i have on an old computer:
>  gfxboot: could not detect available memory size
>  i send :
>  mem=512
>  but it say me: could not kind kernel image: mem=512
>  i try with livecd, and have the same message with end livecd.
>
>  someone have one idea ? thanks .

What about just pressing enter?

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Anssi Hannula

le Wed, 04 Nov 2009 19:44:35 +0200
Anssi Hannula <anssi@...> à écrit:

> What about just pressing enter?
>

it display the message again by pressing enter.

Thierry have right, linux mem=512, but when it's a live cd, just add
"live" before the "linux mem=512" and the kernel boot.

i test again tomorrow, no time for that tonight.



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le Wed, 4 Nov 2009 18:58:41 +0100
"patrick.2" <patrick.2@...> à écrit:

> i test again tomorrow, no time for that tonight.

damned :)

after, i have a black screen and nothing else ...

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[R James-3]

On Thu, Nov 5, 2009 at 2:13 PM, patrick.2 <patrick.2@...> wrote:
>
> damned :)
>
> after, i have a black screen and nothing else ...
>
Is the kernel smart enough deduce that 512 really means 512M?

'live mem=512M' or 'linux mem=512M' would seem more correct.

And as Mieszko said, making it bit less might be better, especially if
there's a shared-memory graphics card.

le Thu, 5 Nov 2009 14:38:09 -0600
R James <upsnag2@...> à écrit:

> Is the kernel smart enough deduce that 512 really means 512M?

apparently yes

>
> 'live mem=512M' or 'linux mem=512M' would seem more correct.

live mem=512 launch the kernel

>
> And as Mieszko said, making it bit less might be better, especially if
> there's a shared-memory graphics card.

i test with 510, but have the same result .



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le Thu, 5 Nov 2009 22:22:17 +0100
"patrick.2" <patrick.2@...> à écrit:

> live mem=512 launch the kernel

live linux mem=512  :)

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[Mieszko Kaczmarczyk]

Dnia czwartek 05 listopad 2009 o 22:22:17 patrick.2 napisał(a):
> live mem=512 launch the kernel

> > And as Mieszko said, making it bit less might be better, especially
> > if there's a shared-memory graphics card.
>
> i test with 510, but have the same result .

Type key [TAB] and you see the txt version of menu.

Type e-edit, and the and of line write


kernel/linux/live  parameter1 parameter2 p3 p4 ......  mem=256M vga=771

 or 128M if you have big framebuffer (and/or decrease in BIOS to the
lower capacity).

try change video mode as in this table:
+-----------------------------------------+---------+
| VESA framebuffer console @ 1024x768x64k | vga=791 |
| VESA framebuffer console @ 1024x768x32k | vga=790 |
| VESA framebuffer console @ 1024x768x256 | vga=773 |
| VESA framebuffer console @ 800x600x64k  | vga=788 |
| VESA framebuffer console @ 800x600x32k  | vga=787 |
| VESA framebuffer console @ 800x600x256  | vga=771 |
| VESA framebuffer console @ 640x480x64k  | vga=785 |
| VESA framebuffer console @ 640x480x32k  | vga=784 |
| VESA framebuffer console @ 640x480x256  | vga=769 |
+-----------------------------------------+---------+


If your system start OK - on the console type 'free' and send us result.

Next:=> type: cat /proc/meminfo - and send in post.

type: => lspci | grep VGA


Needed more info about your hardware!


Mieszko Kaczmarczyk

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