[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-15 Thread Joseph Salisbury
** Changed in: linux (Ubuntu)
   Status: In Progress = Fix Released

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-13 Thread Jamie Strandboge
3.2.0-87.125 was published to precise-updates/precise-security on
2015-07-06, I don't know why it didn't get autoclosed.

$ apt-cache policy linux-image-3.2.0-87-generic
$ apt-cache policy linux-image-3.2.0-87-generic
linux-image-3.2.0-87-generic:
  Installed: 3.2.0-87.125
  Candidate: 3.2.0-87.125
  Version table:
 *** 3.2.0-87.125 0
500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 
Packages
500 http://us.archive.ubuntu.com/ubuntu/ precise-security/main amd64 
Packages
100 /var/lib/dpkg/status

$ cat /proc/version_signature
Ubuntu 3.2.0-87.125-generic 3.2.69

$ df | head -3
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vda17481832 5147004   1954772  73% /
udev  371920   4371916   1% /dev

Marking as Fix Released.

** Changed in: linux (Ubuntu Precise)
   Status: Fix Committed = Fix Released

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-13 Thread mikelococo
Periodic reminder that some folks (minimally myself) are looking forward
to the general availability of this fix with great anticipation. Lots of
third-party scripts depend on the exit status of df.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-06 Thread Jamie Strandboge
RiCh, 3.2.0-87.125 has not been published to precise-updates/precise-
security yet, so it should not be marked Fix Released.

** Changed in: linux (Ubuntu Precise)
   Status: Fix Released = Fix Committed

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-03 Thread RiCh
** Changed in: linux (Ubuntu Precise)
   Status: Fix Committed = Fix Released

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-07-02 Thread mikelococo
Any word on release schedule?

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-30 Thread pwolanin
I tested 3.2.0-87-virtual from precise-proposed on AWS and it fixes the
df issue which we saw in our automated testing

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread Luis Henriques
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
precise' to 'verification-done-precise'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-precise

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread mig5
Confirming 3.2.0-87-generic from precise-proposed fixes the issue for me
also. Thanks

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread Luis Henriques
mikelococo: this is a request for testing the Precise kernel that is
currently in -proposed (kernel version 3.2.0-87.125).  This kernel
version should contain the fix for this bug, and I am asking the
original bug reporter (or anyone else affected by this bug) to verify
that it is indeed fixed.

If the bug is fixed by this kernel, the bug tag 'verification-needed-
precise' should be replaced by 'verification-needed-precise'.

Anyway, since I was able to reproduce this bug, I will eventually verify
it too but as I've worked on the fix it would be good to have someone
else to double-check.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread mikelococo
Luis: The meaning of your last comment isn't clear to me (probably
because I'm insufficiently familiar with the standard process between
fix-committed and fix-released).

Are you calling for community testers to validate this bug in order to
prevent the fix from being thrown away 5 days from now?

Or does the addition of the verification-needed-precise merely signal to
the assignee that some release-process step is ready to happen?

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread mikelococo
I'm not the original reporter, but I am affected and the fix looks good
to me. Details below (forgive any typos or abbreviations, copy/paste not
setup for my test-vm)...

### First boot
$ uname -r
3.2.0-86-generic
$uname -v
#124-Ubuntu SMP Wed Jun 17 ... snip build time ...
$ df
df: '/sys/kernel/debug': Function not implemented # Error reproduced with 
build-124
... snip ...
$ echo 'deb http://archive.ubuntu.com/ubuntu/ trusty-proposed restricted main 
multiverse universe'  /etc/apt/sources.list
$ sudo aptitude update
... snip ...
$ sudo aptitude upgrade # installs build-125
... snip ...
$ sudo reboot

### Second boot
$ uname -r
3.2.0-86-generic
$ uname -v
#125-Ubuntu SMP Wed Jun 19 ... snip build time ...
$ df
... snip ... # No error with build-125

** Tags removed: verification-needed-precise
** Tags added: verification-done-precise

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread mikelococo
verification-done-precise tag added
verification-needed-precise tag removed

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-24 Thread Jamie Strandboge
The kernel in precise-proposed fixes this for me.

$ cat /proc/version_signature
Ubuntu 3.2.0-87.125-generic 3.2.69

$ df | head -3
Filesystem 1K-blocksUsed Available Use% Mounted on
/dev/vda17481832 5146416   1955360  73% /
udev  371920   4371916   1% /dev

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-22 Thread Andy Zeigler
Agesp: In response to your question about whether or not this impacts
other software, I can tell you that it affects our Ruby on Rails app in
production. I'm not sure what is triggering it -- it may be IRB, rails,
or a gem that we have, but there is a constant stream of these messages
on stderr when the rails console ('rails c') is loaded:

deploy@ip-10-0-0-41:/var/www/current$ rails c
Loading production environment (Rails 4.1.10)
20150622025515(production)  df: `/sys/kernel/debug': Function not implemented
df: `/sys/kernel/debug': Function not implemented
df: `/sys/kernel/debug': Function not implemented
df: `/sys/kernel/debug': Function not implemented
...

I get a message every few seconds without any user interaction.

Obviously there is a simple workaround here -- 'rails c 2/dev/null`.
But it would be nice to have stderr back at some point. :)

Thanks,

Andy

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-22 Thread mig5
After upgrading 12.04 machines to

 linux-image-3.2.0-86-generic3.2.0-86.124

from

 linux-image-3.2.0-86-generic3.2.0-86.123

.. I still continue to get the same 'function not implemented',
including after reboot.

For 12.04 machines running the Trusty HWE kernel 3.13.0-55-generic
#94~precise1-Ubuntu SMP, and Trusty machines themselves, the issue
appears resolved..

I wonder if it still affects machines on 3.2.0-86 *if* they had
previously upgraded to the regression kernel last week? I haven't tested
on a machine on 85-newest 86 yet.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-18 Thread Luis Henriques
** Also affects: linux (Ubuntu Precise)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu Precise)
   Status: New = Fix Committed

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Joseph Salisbury
I built two more test kernels.  One has commit df438af reverted and the
other has df438af reverted.  Can you test each of these kernels and see
which one resolves the bug?  The kernels can be downloaded from:

http://kernel.ubuntu.com/~jsalisbury/lp1465322/df438af-reverted
and
http://kernel.ubuntu.com/~jsalisbury/lp1465322/7b0f287-reverted

Thanks in advance!

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Luis Henriques
I can confirm that reverting df438afe2d93 (debugfs: leave freeing a
symlink body until inode eviction) fixes the issue on an i386 VM.  But
it would be great to have the original bug reporter to test that too.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Luis Henriques
Here's some more detail:

running 'strace df' shows the following:

  statfs64(/sys/kernel/debug, 84, 0xbfddc6bc) = -1 ENOSYS (Function
not implemented)

A quick test shows that adding '.statfs = simple_statfs' in the 
debugfs_super_operations struct fixes the problem, but I'm not sure
that's the right thing to do.

(This has been reported upstream:
http://thread.gmane.org/gmane.linux.kernel.stable/134708/focus=134588)

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Jamie Strandboge
Reverting df438af seems to have fixed it.

$ cat /proc/version_signature 
Ubuntu 3.2.0-86.123~lp1465322Commitdf438afReverted-generic 3.2.69

$ df | head -3
Filesystem 1K-blocksUsed Available Use% Mounted on
/dev/vda17481832 4735296   2366480  67% /
udev  371924   4371920   1% /dev

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Agesp Anonymous
Please note, does this bug affect any other software but just df command?
(definitely kernel related, after update from 3.2.0-84 to 3.2.0-86)

My setup is also affected by this bug:

$ df -h
df: ”/sys/kernel/debug”: Funktion toteutus puuttuu
Tiedostojärjestelmä  Koko  Käyt Vapaa Käy% Liitospiste
/dev/sda1 22G  4,2G   16G  21% /
...

$ LANG=C  df -h
df: `/sys/kernel/debug': Function not implemented
Filesystem  Size  Used Avail Use% Mounted on
/dev/sda122G  4.2G   16G  21% /
...

$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION=Ubuntu 12.04.5 LTS

$ uname -a
Linux machine 3.2.0-86-generic-pae #123-Ubuntu SMP Sun Jun 14 18:30:54 UTC 2015 
i686 athlon i386 GNU/Linux

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-16 Thread Slavisa Djokic
Hi Joseph,

thanks for taking care. Looks like this bug might be related:
https://bugs.launchpad.net/ubuntu/+source/coreutils/+bug/1465180

We have here tivoli-storage-manager-client (tsm) which reports error
since upgrade: ANS0361I DIAG: TransErrno: Unexpected error from
GetFSInfo:statfs, errno = 38. The backup finishes successfully though.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Joseph Salisbury
** Tags added: performing-bisect

** Changed in: linux (Ubuntu)
   Importance: Undecided = High

** Changed in: linux (Ubuntu)
   Status: Confirmed = In Progress

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) = Joseph Salisbury (jsalisbury)

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Joseph Salisbury
This bug may be due to one of these commits:

7b0f287 kdb: fix incorrect counts in KDB summary command output
df438af debugfs: leave freeing a symlink body until inode eviction

I'll build a test kernel with these two commits reverted before starting
the bisect process.  I'll post a link to the test kernel shortly.

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Jamie Strandboge
Marking as confirmed since I was able to reproduce on two different
systems.

** Description changed:

- $ cat /proc/version_signature 
+ $ cat /proc/version_signature
  Ubuntu 3.2.0-84.121-generic 3.2.68
  
  $ df | head -3
- Filesystem  1K-blocks  Used  Available Use% Mounted on
- /dev/md1 17444128  136371242927852  83% /
- udev   950040 4 950036   1% /dev
+ Filesystem 1K-blocksUsed Available Use% Mounted on
+ /dev/vda17481832 4262872   2838904  61% /
+ udev  371920   4371916   1% /dev
  
- $ cat /proc/version_signature 
+ $ cat /proc/version_signature
  Ubuntu 3.2.0-85.122-generic 3.2.69
  
  $ df | head -3
  df: `/sys/kernel/debug': Function not implemented
- Filesystem  1K-blocks  Used  Available Use% Mounted on
- /dev/md1 17444128  136382682926708  83% /
- udev   950040 4 950036   1% /dev
+ Filesystem 1K-blocksUsed Available Use% Mounted on
+ /dev/vda17481832 4263012   2838764  61% /
+ udev  371920   4371916   1% /dev
  
  This is confirmed in an amd64 VM and on an amd64 system.

** Description changed:

  $ cat /proc/version_signature
  Ubuntu 3.2.0-84.121-generic 3.2.68
  
  $ df | head -3
  Filesystem 1K-blocksUsed Available Use% Mounted on
  /dev/vda17481832 4262872   2838904  61% /
  udev  371920   4371916   1% /dev
  
  $ cat /proc/version_signature
  Ubuntu 3.2.0-85.122-generic 3.2.69
  
  $ df | head -3
  df: `/sys/kernel/debug': Function not implemented
  Filesystem 1K-blocksUsed Available Use% Mounted on
  /dev/vda17481832 4263012   2838764  61% /
  udev  371920   4371916   1% /dev
  
- This is confirmed in an amd64 VM and on an amd64 system.
+ This is confirmed in an amd64 VM and on an amd64 system. It doesn't make
+ a difference if I use sudo.

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Title:
  regression: df: `/sys/kernel/debug': Function not implemented with
  3.2.0-85.122

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Joseph Salisbury
Great, thanks, Jamie.  I'll reproduce the bug and figure out which of
these commits is the cause.

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Title:
  regression: df: `/sys/kernel/debug': Function not implemented with
  3.2.0-85.122

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Joseph Salisbury
I built a Precise test kernel with a revert of 7b0f287 and df438af.  Can
you test this kernel and see if it still exhibits the bug?

It can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1465322/

** Tags added: precise regression-update

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Title:
  regression: df: `/sys/kernel/debug': Function not implemented with
  3.2.0-85.122

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[Bug 1465322] Re: regression: df: `/sys/kernel/debug': Function not implemented with 3.2.0-85.122

2015-06-15 Thread Jamie Strandboge
This works as advertised in an amd64 VM.

$ cat /proc/version_signature 
Ubuntu 3.2.0-85.122~lp1465322-generic 3.2.69

$ df | head -3
Filesystem 1K-blocksUsed Available Use% Mounted on
/dev/vda17481832 4264172   2837604  61% /
udev  371924   4371920   1% /dev

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Title:
  regression: df: `/sys/kernel/debug': Function not implemented with
  3.2.0-85.122

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