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Date:	Thu, 28 Oct 2010 23:02:14 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	"Ted Ts'o" <tytso@....edu>, sedat.dilek@...il.com,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org,
	sfr@...b.auug.org.au, Arnd Bergmann <arnd@...db.de>,
	Avinash Kurup <kurup.avinash@...il.com>
Subject: Re: [next-20101038] Call trace in ext4

On Thu, Oct 28, 2010 at 10:37 PM, Ted Ts'o <tytso@....edu> wrote:
> On Thu, Oct 28, 2010 at 10:15:00PM +0200, Sedat Dilek wrote:
>>
>> I created a new ext4.ko via "make M=fs/ext4" in the build-dir and
>> copied the the kernel-module to /lib/modules/$(uname
>> -r)/kernel/fs/ext4/, is that not enough?
>
> It might not be.  Some distributions include modules in the initial
> ramdisk, and load the module from the initrd, simply dropping the
> module in /lib/modules/<kver>/... might not be enough.  So recreating
> the initrd and then rebooting might be enough.
>
> Certainly if you drop it there on a running kernel, if you don't
> unload the module (before unmounting all of your ext4 file systems),
> and then reload the module, *definitely* just copying a module into
> /lib/modules.... without making sure the module is reloaded, you'll
> still have the old module.
>
>                                                - Ted
>

Grrr, did not think of ext4 kernel-module be in initrd.img.

OK, I have recreated a new one:

    $ update-initramfs -k 2.6.36-git11.sd.1-686 -c

I could copy a complete linux-2.6 GIT tree within my $HOME/src, looks good.

Any other test-case you can suggest to be sure things work as expected, now?

BTW, feel free to add:

      Reported-andtested-by: Sedat Dilek <sedat.dilek@...il.com>

- Sedat -
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