Re: r4 observations

2006-09-22 Thread Thomas Kuther
On Thu, 21 Sep 2006 11:18:41 + (UTC)
Peter [EMAIL PROTECTED] wrote:

 On Thu, 21 Sep 2006 15:02:01 +0400, Vladimir V. Saveliev wrote:
 
  Hello
  
  On Wednesday 20 September 2006 22:47, Peter wrote:
  I booted from a non-reiser4 partition in order to make a backup of
  my main / which was a r4 partition.
  
  After the backup, I unmounted the drive explicitly, then rebooted.
  
  I did not use the backed up drive for anything except tar-ring its
  files.
  
  On next boot to the r4 / partition, all kinds of file not found
  errors occurred. I booted again to my non-r4 partition, and ran
  fsck.reiser4 --check -y there were fatal errors on my r4 /.
  
  The backup was fine. I downgraded back to reiserfs which does not
  exhibit this problem.
  
  I have not experienced any problem with other r4 partitions.
  Just /. /home, /tmp, /src, etc. are fine.
  
  Unfortunately, I don't have time to keep wondering where the
  problem is or why. Perhaps it's the kernel or the init scripts.
  Nonetheless, the instability of whatever the problem is is
  unnerving.
  
  
  Please provide information about which kernel and which reiser4 did
  you use. Am I correct that you were trying to run gentoo on reiser4?
 
 Yes, Vladimir. When making the backup, I was not running Gentoo at
 all. I was running Slackware 10.2. I booted into Slackware with the
 beyond patchset (ck superset) based on 2.6.17.11 with the reiser4
 2.6.17-3 patch. All of the work on backup mount and unmount was on
 Slackware. It was when rebooting back into Gentoo (with the init and
 base layout which DID NOT CAUSE a boot problem) that the fatal errors
 occurred. Interestingly, and maybe this is helpful, only the /
 partition seems to be affected. I have observed no problematic
 behavior with any of the other three partitions I used r4 for. In
 fact, even though I downgraded / to reiserfs3, the other r4
 partitions work fine. Please let me know if I can provide additional
 information.
 

2.6.17-beyond includes -ck1 which includes fcache which is totally evil
for reiser4. The old fscache patch in .17-ck1 tends to kill reiser4 /usr
here (I assume your /usr is in / then) when rebooting/umounting the
partition. Also newer -mm is evil and umount on /usr completely fails
here, i have to hard reset the box, but here the partitions stay
alive, with the older fcache i had to --build-sb and --fix it, and
then remerge all stuff that was lost.
Oh and this happens even i didn't enable fcache in kernel config, just
the existance of the patch is enough.
Strangely it's reproducably and only /usr. So if you run the /usr
folder on a reiser4 partition, do NOT use -mm, or at least good luck
trying to break out fcache. Reversing the fcache patch from -beyond is
easy, just get the broken-out from -ck and patch -R it.

HTH
Tom



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Re: r4 observations

2006-09-22 Thread Peter
On Fri, 22 Sep 2006 14:02:44 +0200, Thomas Kuther wrote:

 On Thu, 21 Sep 2006 11:18:41 + (UTC)
 Peter [EMAIL PROTECTED] wrote:
 
 On Thu, 21 Sep 2006 15:02:01 +0400, Vladimir V. Saveliev wrote:
 
  Hello
  
  On Wednesday 20 September 2006 22:47, Peter wrote:
  I booted from a non-reiser4 partition in order to make a backup of
  my main / which was a r4 partition.
  
  After the backup, I unmounted the drive explicitly, then rebooted.
  
  I did not use the backed up drive for anything except tar-ring its
  files.
  
  On next boot to the r4 / partition, all kinds of file not found
  errors occurred. I booted again to my non-r4 partition, and ran
  fsck.reiser4 --check -y there were fatal errors on my r4 /.
  
  The backup was fine. I downgraded back to reiserfs which does not
  exhibit this problem.
  
  I have not experienced any problem with other r4 partitions.
  Just /. /home, /tmp, /src, etc. are fine.
  
  Unfortunately, I don't have time to keep wondering where the
  problem is or why. Perhaps it's the kernel or the init scripts.
  Nonetheless, the instability of whatever the problem is is
  unnerving.
  
  
  Please provide information about which kernel and which reiser4 did
  you use. Am I correct that you were trying to run gentoo on reiser4?
 
 Yes, Vladimir. When making the backup, I was not running Gentoo at
 all. I was running Slackware 10.2. I booted into Slackware with the
 beyond patchset (ck superset) based on 2.6.17.11 with the reiser4
 2.6.17-3 patch. All of the work on backup mount and unmount was on
 Slackware. It was when rebooting back into Gentoo (with the init and
 base layout which DID NOT CAUSE a boot problem) that the fatal errors
 occurred. Interestingly, and maybe this is helpful, only the /
 partition seems to be affected. I have observed no problematic
 behavior with any of the other three partitions I used r4 for. In
 fact, even though I downgraded / to reiserfs3, the other r4
 partitions work fine. Please let me know if I can provide additional
 information.
 
 
 2.6.17-beyond includes -ck1 which includes fcache which is totally evil
 for reiser4. The old fscache patch in .17-ck1 tends to kill reiser4 /usr
 here (I assume your /usr is in / then) when rebooting/umounting the
 partition. Also newer -mm is evil and umount on /usr completely fails
 here, i have to hard reset the box, but here the partitions stay
 alive, with the older fcache i had to --build-sb and --fix it, and
 then remerge all stuff that was lost.
 Oh and this happens even i didn't enable fcache in kernel config, just
 the existance of the patch is enough.
 Strangely it's reproducably and only /usr. So if you run the /usr
 folder on a reiser4 partition, do NOT use -mm, or at least good luck
 trying to break out fcache. Reversing the fcache patch from -beyond is
 easy, just get the broken-out from -ck and patch -R it.
 
 HTH
 Tom

Thanks for the tip, Tom! You're the second person (unless you're the same
one on the gentoo forums) to mention this. I suspect, with your use of the
word evil, you're the same! :)

Nonetheless, I lost patience, and did not want to be in a changing beta
situation as kernels, patches, etc. are all changing at different rates of
speed. I found this bug both annoying and disconcerting. I have one r4
partition left, and since it's not / there appear to be no problems.

I assume the various parties involved are all aware of this?


-- 
Peter
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Re: r4 observations

2006-09-22 Thread Thomas Kuther
On Fri, 22 Sep 2006 12:27:23 + (UTC)
Peter [EMAIL PROTECTED] wrote:

 On Fri, 22 Sep 2006 14:02:44 +0200, Thomas Kuther wrote:
 
  On Thu, 21 Sep 2006 11:18:41 + (UTC)
  Peter [EMAIL PROTECTED] wrote:
  
  On Thu, 21 Sep 2006 15:02:01 +0400, Vladimir V. Saveliev wrote:
  
   Hello
   
   On Wednesday 20 September 2006 22:47, Peter wrote:
   I booted from a non-reiser4 partition in order to make a backup
   of my main / which was a r4 partition.
   
   After the backup, I unmounted the drive explicitly, then
   rebooted.
   
   I did not use the backed up drive for anything except tar-ring
   its files.
   
   On next boot to the r4 / partition, all kinds of file not found
   errors occurred. I booted again to my non-r4 partition, and ran
   fsck.reiser4 --check -y there were fatal errors on my r4 /.
   
   The backup was fine. I downgraded back to reiserfs which does
   not exhibit this problem.
   
   I have not experienced any problem with other r4 partitions.
   Just /. /home, /tmp, /src, etc. are fine.
   
   Unfortunately, I don't have time to keep wondering where the
   problem is or why. Perhaps it's the kernel or the init scripts.
   Nonetheless, the instability of whatever the problem is is
   unnerving.
   
   
   Please provide information about which kernel and which reiser4
   did you use. Am I correct that you were trying to run gentoo on
   reiser4?
  
  Yes, Vladimir. When making the backup, I was not running Gentoo at
  all. I was running Slackware 10.2. I booted into Slackware with the
  beyond patchset (ck superset) based on 2.6.17.11 with the reiser4
  2.6.17-3 patch. All of the work on backup mount and unmount was on
  Slackware. It was when rebooting back into Gentoo (with the init
  and base layout which DID NOT CAUSE a boot problem) that the fatal
  errors occurred. Interestingly, and maybe this is helpful, only
  the / partition seems to be affected. I have observed no
  problematic behavior with any of the other three partitions I used
  r4 for. In fact, even though I downgraded / to reiserfs3, the
  other r4 partitions work fine. Please let me know if I can provide
  additional information.
  
  
  2.6.17-beyond includes -ck1 which includes fcache which is totally
  evil for reiser4. The old fscache patch in .17-ck1 tends to kill
  reiser4 /usr here (I assume your /usr is in / then) when
  rebooting/umounting the partition. Also newer -mm is evil and
  umount on /usr completely fails here, i have to hard reset the box,
  but here the partitions stay alive, with the older fcache i had to
  --build-sb and --fix it, and then remerge all stuff that was lost.
  Oh and this happens even i didn't enable fcache in kernel config,
  just the existance of the patch is enough.
  Strangely it's reproducably and only /usr. So if you run the /usr
  folder on a reiser4 partition, do NOT use -mm, or at least good luck
  trying to break out fcache. Reversing the fcache patch from -beyond
  is easy, just get the broken-out from -ck and patch -R it.
  
  HTH
  Tom
 
 Thanks for the tip, Tom! You're the second person (unless you're the
 same one on the gentoo forums) to mention this. I suspect, with your
 use of the word evil, you're the same! :)
 
 Nonetheless, I lost patience, and did not want to be in a changing
 beta situation as kernels, patches, etc. are all changing at
 different rates of speed. I found this bug both annoying and
 disconcerting. I have one r4 partition left, and since it's not /
 there appear to be no problems.
 
 I assume the various parties involved are all aware of this?
 

Yes, that was me :)
As i seemed to be the only person hitting that bug, i didn't mention it
here on the list nor on LKML. I just warned the users in the -beyond
and -no sources threads some releases ago ... .17-beyond1 thread
IIRC... and stopped using fcache patched kernels, because i like
my /usr/portage flying on a reiser4 partition ;)

Regards
Tom


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Re: r4 observations

2006-09-22 Thread Peter
On Fri, 22 Sep 2006 14:49:30 +0200, Thomas Kuther wrote:

snip...

 
 Yes, that was me :)
 As i seemed to be the only person hitting that bug, i didn't mention it
 here on the list nor on LKML. I just warned the users in the -beyond
 and -no sources threads some releases ago ... .17-beyond1 thread
 IIRC... and stopped using fcache patched kernels, because i like
 my /usr/portage flying on a reiser4 partition ;)
 
 Regards
 Tom

I passed this along to the beyond maintainer fwiw. Still a very disturbing
problem. And, it appears, you're not alone. Well, not too alone anyway!

-- 
Peter
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Do not reply to this email, it is a spam trap and not monitored.
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Re: r4 observations

2006-09-21 Thread Vladimir V. Saveliev
Hello

On Wednesday 20 September 2006 22:47, Peter wrote:
 I booted from a non-reiser4 partition in order to make a backup of my main 
 / which was a r4 partition.
 
 After the backup, I unmounted the drive explicitly, then rebooted.
 
 I did not use the backed up drive for anything except tar-ring its files.
 
 On next boot to the r4 / partition, all kinds of file not found errors
 occurred. I booted again to my non-r4 partition, and ran fsck.reiser4
 --check -y there were fatal errors on my r4 /.
 
 The backup was fine. I downgraded back to reiserfs which does not exhibit
 this problem.
 
 I have not experienced any problem with other r4 partitions. Just /.
 /home, /tmp, /src, etc. are fine.
 
 Unfortunately, I don't have time to keep wondering where the problem is or
 why. Perhaps it's the kernel or the init scripts. Nonetheless, the
 instability of whatever the problem is is unnerving.
 

Please provide information about which kernel and which reiser4 did you use.
Am I correct that you were trying to run gentoo on reiser4?


Re: r4 observations

2006-09-21 Thread Peter
On Thu, 21 Sep 2006 15:02:01 +0400, Vladimir V. Saveliev wrote:

 Hello
 
 On Wednesday 20 September 2006 22:47, Peter wrote:
 I booted from a non-reiser4 partition in order to make a backup of my main 
 / which was a r4 partition.
 
 After the backup, I unmounted the drive explicitly, then rebooted.
 
 I did not use the backed up drive for anything except tar-ring its files.
 
 On next boot to the r4 / partition, all kinds of file not found errors
 occurred. I booted again to my non-r4 partition, and ran fsck.reiser4
 --check -y there were fatal errors on my r4 /.
 
 The backup was fine. I downgraded back to reiserfs which does not exhibit
 this problem.
 
 I have not experienced any problem with other r4 partitions. Just /.
 /home, /tmp, /src, etc. are fine.
 
 Unfortunately, I don't have time to keep wondering where the problem is or
 why. Perhaps it's the kernel or the init scripts. Nonetheless, the
 instability of whatever the problem is is unnerving.
 
 
 Please provide information about which kernel and which reiser4 did you use.
 Am I correct that you were trying to run gentoo on reiser4?

Yes, Vladimir. When making the backup, I was not running Gentoo at all. I
was running Slackware 10.2. I booted into Slackware with the beyond
patchset (ck superset) based on 2.6.17.11 with the reiser4 2.6.17-3 patch.
All of the work on backup mount and unmount was on Slackware. It was when
rebooting back into Gentoo (with the init and base layout which DID NOT
CAUSE a boot problem) that the fatal errors occurred. Interestingly, and
maybe this is helpful, only the / partition seems to be affected. I have
observed no problematic behavior with any of the other three partitions I
used r4 for. In fact, even though I downgraded / to reiserfs3, the other
r4 partitions work fine. Please let me know if I can provide additional
information.

-- 
Peter
+
Do not reply to this email, it is a spam trap and not monitored.
I can be reached via this list, or via 
jabber: pete4abw at jabber.org
ICQ: 73676357



r4 observations

2006-09-20 Thread Peter
I booted from a non-reiser4 partition in order to make a backup of my main 
/ which was a r4 partition.

After the backup, I unmounted the drive explicitly, then rebooted.

I did not use the backed up drive for anything except tar-ring its files.

On next boot to the r4 / partition, all kinds of file not found errors
occurred. I booted again to my non-r4 partition, and ran fsck.reiser4
--check -y there were fatal errors on my r4 /.

The backup was fine. I downgraded back to reiserfs which does not exhibit
this problem.

I have not experienced any problem with other r4 partitions. Just /.
/home, /tmp, /src, etc. are fine.

Unfortunately, I don't have time to keep wondering where the problem is or
why. Perhaps it's the kernel or the init scripts. Nonetheless, the
instability of whatever the problem is is unnerving.

-- 
Peter
+
Do not reply to this email, it is a spam trap and not monitored.
I can be reached via this list, or via 
jabber: pete4abw at jabber.org
ICQ: 73676357