Re: Reiser4: Format 4.0.1: Meta(data) checksums

[Edward Shishkin <edward.shishkin@gmail.com>]

On 09/08/2015 10:46 PM, Jose R R wrote:
> Niltze, Ed-

Hello

>
>
>
> On Mon, Aug 31, 2015 at 8:21 AM, Edward Shishkin
> <edward.shishkin@gmail.com> wrote:
>> Hi all,
>>
>> This is the first release of new software versions of reiser4 kernel
>> module and reiser4prods, which invoke the builtin mechanism of
>> tracking compatibility basing on versions of reiser4 plugin library.
>> More about this can be found here:
>> https://reiser4.wiki.kernel.org/index.php/Reiser4_development_model
>>
>> Reiser4progs of the new software release version number 4.0.1
>> are provided by the package reiser4progs-1.1.0. Please find here:
>> https://sourceforge.net/projects/reiser4/files/reiser4-utils/reiser4progs
>>
>> Reiser4 kernel module of the new software release version number
>> 4.0.1 is provided by the patch reiser4-for-4.1.5. Please find here:
>> https://sourceforge.net/projects/reiser4/files/reiser4-for-linux-4.x/
>>
>> At mount time disk format version of your partition's superblock will
>> be upgraded by the kernel, and you will be suggested to complete the
>> upgrade offline by fsck:
>>
>> # dmesg | grep [rR]eiser4
>> Loading Reiser4 (format release: 4.0.1).
>> reiser4: sda5: found disk format 4.0.0.
>> reiser4: sda5: upgrading disk format to 4.0.1.
>> reiser4: sda5: use 'fsck.reiser4 --fix' to complete disk format upgrade.
>>
>> You may ignore this suggestion and continue to work as usual.
>> However, I would suggest to find a time and complete the upgrade.
>>
>> NOTE: after mount in the new kernel you won' t be able to
>> check your partition by reiser4progs-1.0.9 and older versions, so
>> please upgrade your reiser4progs BEFORE. Everyone who relies on
>> liveCDs with reiser4progs-1.0.9, or older versions: be careful!
>>
>> More about reiser4 (meta)data checksums can be found here:
>> https://reiser4.wiki.kernel.org/index.php/Reiser4_checksums
>>
>> Thanks,
>> Edward.
>> --
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> I have applied reiser4-for-4.1.5.patch.gz to both pristine
> linux-4.1.5.tar.xz from kernel.org and to 4.1.6 from upstream Debian
> and both kernels fail to (re)boot into the Reiser4 root partition in
> which they were built.
>
> I am using Debian Sid reiser4progs_1.1.0-1_amd64.deb from
> https://packages.debian.org/sid/reiser4progs
>
> In both instances, after GRUB boots from the boot partition into the
> root Reiser4 partition and message after
> fsck.reiser4 /dev/sdaX
> [ 3.979349 ] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000069


Could you catch the full stack dump at serial console,
or take a pic of this by using camera?

Thanks,
Edward.


> [...]
> (initramfs prompt) will not boot into its Reiser4 partition
>
>  From another partition I have even tried (using
> reiser4progs_1.1.0-1_amd64.deb, too)
> fsck.reiser4 --version
> fsck.reiser4 1.1.0
> Format release: 4.0.1
> Copyright (C) 2001-2005 by Hans Reiser, licensing governed by
> reiser4progs/COPYING.
>
> fsck.reiser4 --fix /dev/sdaX
> and
> fsck.reiser4  --build-fs /dev/sdaX
>
> which finished fine. Nevertheless upon rebooting into fsck'ed
> partition with the Reiser4 4.0.1 kernel module nothing changes, i.e.,
> I get BUG and kernel boot stops at initramfs prompt.
>
>
> Best Professional Regards.
>