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

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On Tue, 30 Mar 2010 00:55:34 +0200 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.
> 
> Thanks in advance.
> 
> >>>>> 2.  is it builtin the kernel image or is it a loadable module?
> >>>> Loadable mofule I suppose, I can see nvidia.ko in /lib/modules/... - I 
> >>>> install Nbvidia driver with Nvidia tool each time after kernel change. 
> >>>> Each time the module has to be compiled anew.
> >>> So this nvidia driver supports "vga=<value>" ?
> >> I suppose it does because it works perfectly when I put it in menu.lst 
> >> file in GRUB config or specify it in GRUB before the kernel boots.
> >>
> >>>>> 3.  have you read Documentation/svga.txt and Documentation/fb/{fbcon,vesafb}.txt ?
> >>>> No, I havent, yet.
> >>>
> >>>>> And my comment is that your question (about video) would be better on the
> >>>>> linux-fbdev@xxxxxxxxxxxxxxx mailing list.  It's not about kbuild/kconfig,
> >>>>> unless kconfig is not saving the build parameters correctly...
> >>>> But I don't know if it is a fb problem, I quoted kernel config 
> >>>> parameters I used, may be there is a problem with them?
> >>>
> >>> Well, to me, all of the questions are about video/framebuffer usage.
> >>> That's why I recommended that mailing list.
> >> But I read a bit and this is not a case of framebuffer, pkain svga mode.
> >>
> >>> Although if you are using the binary-only nvidia driver, it will probably
> >>> be difficult to help you.
> >> It is not binary-only, I have to rebuild the driver in every kernel change.
> > 
> > 
> > Where can I download the driver to look at it, please?
> 
> http://www.nvidia.com/object/linux_display_amd64_195.36.15.html
> 
> You download the driver and ru it :
> 
> bash downloaded_file.run

but a large part of that file appears to be a pre-compiled binary.

---
~Randy
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