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Re: Ext4 detection fails if test_fs is not set
From: |
Felix Zielcke |
Subject: |
Re: Ext4 detection fails if test_fs is not set |
Date: |
Mon, 01 Dec 2008 10:16:57 +0100 |
Am Sonntag, den 30.11.2008, 02:17 +0200 schrieb
address@hidden:
> The ext4 detection fails with the 2.6.28-rc kernels and grub thinks
> that the fs is ext3 - this results in init not being found, which is
> slightly not so nice.
>
> The problem is, that in 2.6.28 ext4 no more has the test_fs flag set
> (tune2fs -E test_fs ... ), without which the recognition of the fs
> type fails. Adding the flag again makes it work. And e2fsck
> automatically clears the test_fs flag when the fs is checked with
> the
> new kernels. The rootfs was converted from ext3 by just doing
>
> tune2fs -O extents /dev/...
>
> The version of grub is from debian experimental, dated 2008-11-20.
>
> I guess that for now, as a workaround I can use the rootfstype=ext4
> boot parameter...
This is not the fault of grub. grub can load your kernel and `execute'
it. Something in your kernel or initrd seems to be wrong.
For me 2.6.28-rc4 kernel works fine without test_fs flag, but I haven't
a converted ext3 to ext4 filesystem but a directly ext4 formatted one.
--
Felix Zielcke
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