running unpatched 2.2.19 on reiserFS-ed system

running unpatched 2.2.19 on reiserFS-ed system

[Antonie Nygma]

hi,

i'm currently running mandrake 8.0 (kernel-2.4.3) on a
single-HDD system (20GB). recently i need to run
stuffs on (fresh) kernel-2.2.19 and could not
succesfully boot after compilation and rebooting.

the error: Unable to mount root fs (kernel panic).

i suspect this is because all the partitions in the
current HDD are reiser-FS.

can anybody help me point out what i need to do to get
k-2.2.19 to run on the machine?

thanks,
toni

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Re: running unpatched 2.2.19 on reiserFS-ed system

[Oleg Drokin]

Hello!

On Mon, Jun 10, 2002 at 09:59:11PM -0700, Antonie Nygma wrote:

> stuffs on (fresh) kernel-2.2.19 and could not
> succesfully boot after compilation and rebooting.
> the error: Unable to mount root fs (kernel panic).
> i suspect this is because all the partitions in the
> current HDD are reiser-FS.

Yes.

> can anybody help me point out what i need to do to get
> k-2.2.19 to run on the machine?


If your reiserfs partitions are of v3.5 format (see dmesg output,
2.4 kernels will output warning in case of v3.5 fs being mounted),
you must apply latest reiserfs patch (against 2.2.20, but should apply fine
to 2.2.19) from ftp://ftp.namesys.com/pub/reiserfs-for-2.2
then recompile kernel and it should boot.
If you have v3.6 filesystem format, then you cannot use it from 2.2 kernel.

(BTW we are recommending to use 2.4.18+ kernels from 2.4 series because of
mane bugfixes that went into it. Any earlier 2.4 kernels should not be used
for reiserfs, if you really want your data to be consistent.)

Bye,
    Oleg

Re: running unpatched 2.2.19 on reiserFS-ed system

[Antonie Nygma]

Oleg, 

it turned out that the partitions are of v.3.6...
anyway, i applied the patch and it won't even get past
compilation..

i guess that there's no way for me to 'downgrade' to
v.3.5 while preserving the current partitions and the
data in it?

Toni
--- Oleg Drokin <green@namesys.com> wrote:
> Hello!
> 
> On Mon, Jun 10, 2002 at 09:59:11PM -0700, Antonie
> Nygma wrote:
> 
> > stuffs on (fresh) kernel-2.2.19 and could not
> > succesfully boot after compilation and rebooting.
> > the error: Unable to mount root fs (kernel panic).
> > i suspect this is because all the partitions in
> the
> > current HDD are reiser-FS.
> 
> Yes.
> 
> > can anybody help me point out what i need to do to
> get
> > k-2.2.19 to run on the machine?
> 
> 
> If your reiserfs partitions are of v3.5 format (see
> dmesg output,
> 2.4 kernels will output warning in case of v3.5 fs
> being mounted),
> you must apply latest reiserfs patch (against
> 2.2.20, but should apply fine
> to 2.2.19) from
> ftp://ftp.namesys.com/pub/reiserfs-for-2.2
> then recompile kernel and it should boot.
> If you have v3.6 filesystem format, then you cannot
> use it from 2.2 kernel.


__________________________________________________
Do You Yahoo!?
Yahoo! - Official partner of 2002 FIFA World Cup
http://fifaworldcup.yahoo.com

Re: running unpatched 2.2.19 on reiserFS-ed system

[Oleg Drokin]

Hello!

On Tue, Jun 11, 2002 at 06:58:20PM -0700, Antonie Nygma wrote:

> it turned out that the partitions are of v.3.6...
> anyway, i applied the patch and it won't even get past
> compilation..

Huh? What were the errors?

> i guess that there's no way for me to 'downgrade' to
> v.3.5 while preserving the current partitions and the
> data in it?

That's true.

Bye,
    Oleg