On Mon, 4 Sep 2006, James Cameron wrote:

On Mon, Sep 04, 2006 at 02:22:00PM -0800, [EMAIL PROTECTED] wrote:
After I burn OLPC to Linux BIOS, seem it is always has error messages at
the beginning like:

ACPI ... DSCP not found ??

I don't get this message, and besides since ACPI is not planned to be
present I wouldn't be concerned if I did see such a message.  Does the
system boot anyway?  When during the boot process do you see this
message?  What are you booting?


I am careless. The exact words is what you said "ACPI: Unable to locate RSDP"

Can this cause problem to slackware to be unable to find the firmware?


Booting build 81 shows in dmesg "ACPI: Unable to locate RSDP", and
"ACPI: Interpreter disabled."  This is expected.

I press F1 and it has only images.

This seems normal.  F1 enters the image menu, then you use left and
right arrow keys to select an image.  The last image, on my board, gives
a LinuxBIOS shell prompt.


Even not press the arrows finally it will boot USB after cannot find the NAND memory devices.

a LinuxBIOS shell prompt?

I will not call it. Because boot from utotu CD or slak CD can have the same initrd shell.

IMO: Linux shell prompt should be capable to config some things like change date, change CPU speed, change boot priority, etc.

I am not sure that is feature or bug.

It seems to be a feature.

OK. Thank you to let me know my BIOS linux is normal.


Could you please verify me that :
There is no way under linux BIOS to config the OLPC devices?

Perhaps the source code would show what it is capable of, or perhaps we
need to wait for documentation on what configuration options are
available.  Is there any reason you need to configure devices?  Why
shouldn't Linux be able to do this configuration?  We control the BIOS,
there seems no justification for device configuration functionality.

Earlier BIOS control Marvell Wireless by reset or power-off.
Now. Fedora can control Marvell Wireless completely in good shape w/o need reset/power-off but unfortunately I cannot find out how slackware can do the same :(

If so, after I power-off, is thare any way to bring back the old BIOS.

Perhaps.  I've not tested it, and I'm not willing to.  You should be
able to boot from the same filesystem you did the olpcflash commands on.
But why would you need to do this at all?  Why do you need ACPI?

I don't know. Because I only see that error and that error correlated or co-incident with slackware become unable to make usb8xxx to work correctly. :(

supat

--
James Cameron    mailto:[EMAIL PROTECTED]     http://quozl.netrek.org/
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