Porting JFFS2 to 2.4.6 kernel

Porting JFFS2 to 2.4.6 kernel

[Sendhilraj T]

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Hello all,
I am trying to downport JFFS2 from 2.4.16 to 2.4.6 kernel. After including 
the patch for JFFS2 and enabling the JFFS2 configuration in the .config 
file if I restart ,the kernel is not getting booted.However if i disable 
the JFFS2 configuraton in the patched kernel, it successfully boots....
May I know the reason?
Also I would like to know is there any working patch for JFFS2 available 
for 2.4.6 kernel?
Could anyone help us in this regard?

T.Sendhil

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Re: Porting JFFS2 to 2.4.6 kernel

[Arnd Bergmann]

On Tuesday 13 February 2007 06:43, Sendhilraj T wrote:
> I am trying to downport JFFS2 from 2.4.16 to 2.4.6 kernel. After including 
> the patch for JFFS2 and enabling the JFFS2 configuration in the .config 
> file if I restart ,the kernel is not getting booted.However if i disable 
> the JFFS2 configuraton in the patched kernel, it successfully boots....
> May I know the reason?
> Also I would like to know is there any working patch for JFFS2 available 
> for 2.4.6 kernel?
> Could anyone help us in this regard?

Sorry to tell you, but if you try to make a known broken kernel work,
you're pretty much on your own.

The current kernel version is 2.6.20, try to use that instead, as jffs2
works well in it.

	Arnd <><

Re: Porting JFFS2 to 2.4.6 kernel

[Sendhilraj T]

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Hello All,

Now I created a new patch file to support JFFS2 in 2.4.6 from 2.4.16.
After including the patch for JFFS2 , I restarted the kernel and 
I am getting some error messages like below

Checking for USB stick...  /etc/rc.d/rcS  update.sh
mount: /dev/sda1: unknown device
mount: /dev/sda: unknown device
... done

Mounting local file-systems...


... done


Bummer, could not run '/usr/local/sci: Cannot allocate irq.
gs: gs_close: bad port count: -1
prg/start': No such file or directory
Trying to free free IRQ23
Trying to free free IRQ24
Trying to free free IRQ25

(none) login:


I would like to know what these errors mean. And I would like to know how 
I can fix It.?

One more question from a beginner (me)…I would like to know how my new 
kernel after patching supports JFFS2?

Looking for your help.

T.Senthil

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Re: Porting JFFS2 to 2.4.6 kernel

[Thomas Gleixner]

On Thu, 2007-02-15 at 17:03 +0530, Sendhilraj T wrote:
> 
> Hello All, 
> 
> Now I created a new patch file to support JFFS2 in 2.4.6 from 2.4.16. 

As Arnd already pointed out 2.4.6 is a known to be broken kernel. Please
use an up to date kernel and folks will help you. If you insist on using
this ancient stuff, please figure it out yourself.

	tglx