[Bug 12354] New: Advisory: Debian's current initramdisk scripts break with an ext4 root

[Bug 12354] New: Advisory: Debian's current initramdisk scripts break with an ext4 root

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12354

           Summary: Advisory: Debian's current initramdisk scripts break
                    with an ext4 root
           Product: File System
           Version: 2.5
     KernelVersion: 2.6.28
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4@kernel-bugs.osdl.org
        ReportedBy: jimsantelmo@gmail.com


This is just a heads-up to hopefully save other people some time. I'm running
2.6.28 with debian/unstable, finally converted the root to ext4, and discovered
that Debian with an initrd can't boot it because the initrd scripts apparently
decide it is an ext3 filesystem with unsupported features. Not that they report
this: instead you get an ENODEV message that had me convinced ext4 wasn't
registering itself or some other such weirdness. Works fine if you use a
"rootfstype=ext4" kernel boot parameter, or no initrd.


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[Bug 12354] Advisory: Debian's current initramdisk scripts break with an ext4 root

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12354





------- Comment #1 from jimsantelmo@gmail.com  2009-01-04 10:14 -------
  I traced the problem thru the Debian initrd scripts to klibc/bin/fstype and
have filed a Debian bug on it. If kernel-hackers are the ultimate upstream
klibc source, please let me know and I'll refile it in other/klibc/kinit.

# /usr/lib/klibc/bin/fstype /dev/sda5 //a 100% made-from-scratch ext4 fs
FSTYPE=ext3
FSSIZE=12000649216


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[Bug 12354] Advisory: Debian's current initramdisk scripts break with an ext4 root

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12354


tytso@mit.edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hpa@zytor.com




------- Comment #2 from tytso@mit.edu  2009-01-04 11:14 -------
I submitted a patch to klibc@zytor.com mailing list on Sat, 11 Oct 2008
10:54:44 -0400.  (Subject line: [PATCH] fstype: Fix ext4/ext4dev probing).

No one ever got back to me.  hpa?   Do you need me to resend?


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[Bug 12354] Advisory: Debian's current initramdisk scripts break with an ext4 root

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12354





------- Comment #3 from tytso@mit.edu  2009-01-04 11:16 -------
Created an attachment (id=19648)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=19648&action=view)
Patch to klibc to allow it to properly probe ext4/ext4dev filesystems


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[Bug 12354] Advisory: Debian's current initramdisk scripts break with an ext4 root

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12354


hpa@zytor.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|                            |CODE_FIX




------- Comment #4 from hpa@zytor.com  2009-01-04 11:30 -------
Applied, and a new klibc (1.5.15) has been pushed out.


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