[LinuxBIOS] IDE become readonly, why?

[Beneo]

I kept the Linux hang at that point for 2 or 3 hours, so I think it probably 
would not go anywhere if I don't do something.

thanks for the suggestion, I will search and check what Linux is doing when 
it hang, I will let you know.

thnks

Beneo.

----- Original Message ----- 
From: "Peter Stuge" <stuge-linuxbios at cdy.org>
To: <linuxbios at linuxbios.org>
Sent: Thursday, April 05, 2007 4:16 PM
Subject: Re: [LinuxBIOS] IDE become readonly, why?


> On Thu, Apr 05, 2007 at 03:25:38PM -0700, Beneo wrote:
>> when boot from factory BIOS, cat /proc/cmdline output this:
>> ro root=LABEL=/ debug console=ttyS0,115200n8
>
> Ok. Looks similar to what you're using in FILO.
>
>
>> I removed ro from the line, it still have the same issue.
>
> Yes, I would expect this.
>
>
>> I made up the filo linux boot line by look at the grub.conf file
>> in this Linux install.
>
> Ok, good.
>
>
>> I don't know, I'm not a expert on this. but the "ro" maybe means
>> mount the randisk image readonly, not the root file system?
>
> It applies to both initrd and root.
>
>
>> Come back to my question, does LinuxBIOS actually setup IDE
>> interface.
>
> Yes, it does do setup.
>
>
>> I know it enables IDE from Chipset level, but does it actully
>> program the IDE interface, for example using port 1F0, 170 and etc.
>
> LinuxBIOS does not access any IDE devices. FILO does however.
>
> But I don't think IDE access is the real problem.
>
> Try looking at the startup scripts and see what they are doing around
> the point where they hang. We can only guess why the script is
> hanging at this point.
>
> The relevant script may be in the initrd you are using, or in the
> root fs.
>
> How long did you let the script "hang" before giving up on it?
>
> Perhaps it's in fact busy working with something that takes too long
> because of another problem in LinuxBIOS. If we know what the script
> is doing we can make better guesses about why it is hanging.
>
> You could also try to skip using the initrd, but I don't know/like
> Red Hat so I don't know if it is in fact required to boot the system.
>
>
> //Peter
>
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