Reiserfs make System Reboots

Reiserfs make System Reboots

[julio menezes]

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Dear ReiserFs team.

Thanks for this nice file system.

I would like to report a first crash after one year.
I'm a linux new by so, it must be my fault.

I was on the Internet using Netscape.
After a power  failure, Netscape lost my mail-box.
After that, any operation like tar or mkdir makes my system reboot.
Some dir shows estrange files, they can not be removed, even as root.


My system:
Slackware 9.0 (as is, no patches)
/dev/hda1 = dos
/dev/hda2 = linux swap
/dev/hda3 = linux /
/dev/hda4 = /home (users accounts)

I'm sending my dmesg and the same reports of reiserfsck.

My steps:
1- I made back-ups of my /etc and /home of my users.
2- Reinstall the Slackware 9.0 - using Ext3 at /dev/hda3. I wanna try 
Ext3 for a while.
I have other hosts with reiserfs (Slackware 9.0 defaults)
3- add every user on /dev/hda3 /home  (Certainly not in the same 
sequence as I did before)
4- run reiserfsck and rebuilt the tree on /dev/hda4.

After that, the /dev/hda4 was OK but the owner and group was mixed, like 
this.
# mount -t reiserfs /dev/hda4 /mnt/hd -o ro
ls -l /mnt/hd >> old-hda4-home.txt

drwx--x--x   25 spam     users        1224 Mar 10 11:35 aeromapa
drwx--x--x    4 opengl   users         160 Feb 12 17:47 aerosul
drwx--x--x    2 wbib     users          80 Feb 13 08:07 cazeca
drwx--x--x    5 programa users         304 Feb 20 18:30 clamav
drwxr-xr-x   16 cmaismai users         728 Feb 12 16:58 cmaismais
drwxr-xr-x    2 root     root           48 Feb 26  2001 ftp
drwx--x--x   63 jmenezes users        2872 Mar 12 14:27 jmenezes
drwxr-xr-x    2 root     root          160 Feb  8 20:58 lixo
drwx------    2 root     root          112 Mar 14 18:31 lost+found
drwxr-xr-x   39 cazeca   users        1528 Mar  5 14:46 opengl
drwxrwxrwx    9 root     root         1256 Mar 10 11:18 pub
drwx--x--x   15 aeromapa users         784 Feb 26 15:30 spam
drwxr-x--x   28 aerosul  users        1104 Feb 20 12:42 wbib


I know, it was my fault, I should keep the same ID for my users. I will 
fix it.

that is it.


thanks again by the reiserfs.

[]s
julio menezes

www.netpar.com.br/jmenezes




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Re: Reiserfs make System Reboots

[Lamont R. Peterson]

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On Mon, 2004-03-15 at 06:05, julio menezes wrote:
> Dear ReiserFs team.
> 
> Thanks for this nice file system.
> 
> I would like to report a first crash after one year.
> I'm a linux new by so, it must be my fault.
> 
> I was on the Internet using Netscape.
> After a power  failure, Netscape lost my mail-box.
> After that, any operation like tar or mkdir makes my system reboot.

I do not know if this could be related to the same cause for my
experience below, or not.

> Some dir shows estrange files, they can not be removed, even as root.

I experienced the same thing a few years ago (twice) on one of my
systems.  As best as I could narrow it down (at the time), the directory
(in my case) which held the affected files was placed on top of a bad
block on the drive.  The only way I ever did *anything* to those files
was to reformat the drive.

The first time this happened, I was in the process of shuffling some
data around in preparation to update the SUSE version installed.  I
figured that I must of somehow screwed up the group of files.  As I
started to update, I realized that the new version of SUSE I was
installing was willing to use the "new" ReiserFS 3.6, so I decided to
just reformat.

The second time was about 5-6 months later.  I do not now remember what
I was doing to "make" this problem show up, but this was the same drive
it had happened on before.  Sure enough, when I checked the disk out
thoroughly (with spin-rite) it tuned out there were some bad blocks on
the disk.  After backing up all the data I could, I marked those blocks
as bad so the drive would not use them and reformated.  That drive has
been perfect ever since.

> My system:
> Slackware 9.0 (as is, no patches)
> /dev/hda1 = dos
> /dev/hda2 = linux swap
> /dev/hda3 = linux /
> /dev/hda4 = /home (users accounts)
> 
> I'm sending my dmesg and the same reports of reiserfsck.
> 
> My steps:
> 1- I made back-ups of my /etc and /home of my users.
> 2- Reinstall the Slackware 9.0 - using Ext3 at /dev/hda3. I wanna try 
> Ext3 for a while.
> I have other hosts with reiserfs (Slackware 9.0 defaults)
> 3- add every user on /dev/hda3 /home  (Certainly not in the same 
> sequence as I did before)
> 4- run reiserfsck and rebuilt the tree on /dev/hda4.
> 
> After that, the /dev/hda4 was OK but the owner and group was mixed, like 
> this.
> # mount -t reiserfs /dev/hda4 /mnt/hd -o ro
> ls -l /mnt/hd >> old-hda4-home.txt
> 
> drwx--x--x   25 spam     users        1224 Mar 10 11:35 aeromapa
> drwx--x--x    4 opengl   users         160 Feb 12 17:47 aerosul
> drwx--x--x    2 wbib     users          80 Feb 13 08:07 cazeca
> drwx--x--x    5 programa users         304 Feb 20 18:30 clamav
> drwxr-xr-x   16 cmaismai users         728 Feb 12 16:58 cmaismais
> drwxr-xr-x    2 root     root           48 Feb 26  2001 ftp
> drwx--x--x   63 jmenezes users        2872 Mar 12 14:27 jmenezes
> drwxr-xr-x    2 root     root          160 Feb  8 20:58 lixo
> drwx------    2 root     root          112 Mar 14 18:31 lost+found
> drwxr-xr-x   39 cazeca   users        1528 Mar  5 14:46 opengl
> drwxrwxrwx    9 root     root         1256 Mar 10 11:18 pub
> drwx--x--x   15 aeromapa users         784 Feb 26 15:30 spam
> drwxr-x--x   28 aerosul  users        1104 Feb 20 12:42 wbib
> 
> 
> I know, it was my fault, I should keep the same ID for my users. I will 
> fix it.
> 
> that is it.
> 
> 
> thanks again by the reiserfs.
> 
> []s
> julio menezes
> 
> www.netpar.com.br/jmenezes
> 
-- 
Lamont Peterson <lamont@gurulabs.com>
Senior Instructor
Guru Labs <http://www.gurulabs.com/>

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