Re: Is root kernel parameter expected to be the first one or something?

[Piotr Hosowicz <piotr@hosowicz.com>]

Piotr Hosowicz wrote:
> Randy Dunlap wrote:
>> On Tue, 30 Mar 2010 00:44:28 +0200 Piotr Hosowicz wrote:
>>
>>> Randy Dunlap wrote:
>>>> On Tue, 30 Mar 2010 00:32:42 +0200 Piotr Hosowicz wrote:
>>>>
>>>>> Randy Dunlap wrote:
>>>>>> On Mon, 29 Mar 2010 22:41:48 +0200 Piotr Hosowicz wrote:
>>>>>>
>>>>>>> Randy Dunlap wrote:
>>>>>>>> On Mon, 29 Mar 2010 22:16:29 +0200 Piotr Hosowicz wrote:
>>>>>>>>
>>>>>>>>> Hello,
>>>>>>>>>
>>>>>>>>> Today I had built a new next kernel with these parameters. I 
>>>>>>>>> did not get what I expected
>>>>>>>> I don't think I understand your question.
>>>>>>>> What did you expect?
>>>>>>> I expected higher resolution console, smaller font etc
>>>>>> Boy was I confused.  I thought that your question was about the root=
>>>>>> kernel boot parameter.
>>>>>>
>>>>>> Well, there are several questions to be asked.  and one more comment.
>>>>>>
>>>>>> 1.  what video (framebuffer) driver are you using?
>>>>> Ashamed to say, but I do not know. vga=791 works perfectly when I 
>>>>> specifiy it via GRUB modification, either during pre-booting phase 
>>>>> or in menu.lst. I thought that it would work if I enable it by the 
>>>>> oprions I provided in the previous message.
>>>> That does sound, hm, suspicious.
>>
>>
>> OK, the above is the main problem, right?
>> If so, I'll try to find time to test it.
> 
> aapi205:/usr/src/linux# gzip -cd /proc/config.gz | grep -A 1 vga=791
> CONFIG_CMDLINE="root=/dev/sda2 ro quiet vga=791"
> CONFIG_CMDLINE_OVERRIDE=y
> aapi205:/usr/src/linux# cat /proc/cmdline
> root=/dev/sda2 ro quiet vga=791
> 
> First if all I tried to test whether the overriding code works at all, 
> and it seems it works, I am now booted having edited 
> root=/dev/nonexistent at GRUB prompt, and it seems that the values set 
> at build time have overriden values set at GRUB prompt. But the vga=791 
> parameter does not work at all, I have the usual console, with big 
> characters.

This is on 2.6.34-rc2-git4, sorry, I forgot to say.

Regards,

Piotr Hosowicz

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NB: 2.6.34-rc2-git4