GNU bug report logs - #11823
tail: unrecognized file system type 0x61756673 for ‘/var/log/messages’. please report this to bug-coreutils@gnu.org. reverting to polling

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Michael Mol <mikemol <at> gmail.com>
To: bug-coreutils <at> gnu.org
Subject: tail: unrecognized file system type 0x61756673 for ‘/var/log/messages’. please report this to bug-coreutils <at> gnu.org. reverting to polling
Date: Sat, 30 Jun 2012 00:48:16 -0400

"tail: unrecognized file system type 0x61756673 for
‘/var/log/messages’. please report this to bug-coreutils <at> gnu.org.
reverting to polling"

At the time, mount indicated the filesystem in question was aufs.

The manpage for aufs shows a description of it: "aufs - advanced multi
layered unification filesystem. version 3.3-20120326"

This was on the Gentoo 12.1 liveDVD.

HTH

-- 
:wq

Message #8 received at 11823 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Michael Mol <mikemol <at> gmail.com>
Cc: 11823 <at> debbugs.gnu.org
Subject: Re: bug#11823: tail: unrecognized file system type 0x61756673 for
	‘/var/log/messages’. please report
	this to bug-coreutils <at> gnu.org. reverting to polling
Date: Sat, 30 Jun 2012 18:21:25 +0200

Michael Mol wrote:
> "tail: unrecognized file system type 0x61756673 for
> ‘/var/log/messages’. please report this to bug-coreutils <at> gnu.org.
> reverting to polling"
>
> At the time, mount indicated the filesystem in question was aufs.
>
> The manpage for aufs shows a description of it: "aufs - advanced multi
> layered unification filesystem. version 3.3-20120326"
>
> This was on the Gentoo 12.1 liveDVD.

Thank you!
Here's the patch I expect to push soon:

From b0d8d3242998852e1a8a58b3f1b48186ad1063ec Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering <at> redhat.com>
Date: Sat, 30 Jun 2012 18:19:53 +0200
Subject: [PATCH] stat,tail: recognize new file system type: aufs

* src/stat.c (human_fstype) [__linux__]: Add a 'case' for the new
remote file system type: aufs (0x61756673).
* NEWS (New features): Mention stat -f.
(Bug fixes): Mention it for tail -f.
Reported by Michael Mol in http://bugs.gnu.org/11823
---
 NEWS       | 4 ++--
 THANKS.in  | 1 +
 src/stat.c | 5 +++++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/NEWS b/NEWS
index 8c75a32..be98796 100644
--- a/NEWS
+++ b/NEWS
@@ -25,13 +25,13 @@ GNU coreutils NEWS                                    -*- outline -*-
   in all situations on GNU/Linux, by correctly determining the block size.
   [df bug since coreutils-5.0.91, stat bug since the initial implementation]

-  tail -f no longer tries to use inotify on PanFS file systems
+  tail -f no longer tries to use inotify on AUFS or PanFS file systems
   [you might say this was introduced in coreutils-7.5, along with inotify
    support, but even now, its magic number isn't in the usual place.]

 ** New features

-  stat -f recognizes the new remote file system type, panfs.
+  stat -f recognizes the new remote file system types: aufs, panfs.

 ** Changes in behavior

diff --git a/THANKS.in b/THANKS.in
index 2bdeab5..2873594 100644
--- a/THANKS.in
+++ b/THANKS.in
@@ -422,6 +422,7 @@ Michael J. Croghan                  mcroghan <at> usatoday.com
 Michael J. Daniel                   michael.j.daniel <at> comcast.net
 Michael McFarland                   sidlon <at> yahoo.com
 Michael McLagan                     mmclagan <at> invlogic.com
+Michael Mol                         mikemol <at> gmail.com
 Michael Piefel                      piefel <at> informatik.hu-berlin.de
 Michael Steffens                    michael.steffens <at> s.netic.de
 Michael Stutz                       stutz <at> dsl.org
diff --git a/src/stat.c b/src/stat.c
index 94b63f6..e56f1ff 100644
--- a/src/stat.c
+++ b/src/stat.c
@@ -249,6 +249,11 @@ human_fstype (STRUCT_STATVFS const *statfsbuf)
       return "afs";
     case S_MAGIC_ANON_INODE_FS: /* 0x09041934 local */
       return "anon-inode FS";
+    case S_MAGIC_AUFS: /* 0x61756673 remote */
+      /* FIXME: change syntax or add an optional attribute like "inotify:no".
+         The above is labeled as "remote" so that tail always uses polling,
+         but this isn't really a remote file system type.  */
+      return "aufs";
     case S_MAGIC_AUTOFS: /* 0x0187 local */
       return "autofs";
     case S_MAGIC_BEFS: /* 0x42465331 local */
--
1.7.11.1.104.ge7b44f1

Message #11 received at 11823 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Michael Mol <mikemol <at> gmail.com>
Cc: 11823 <at> debbugs.gnu.org
Subject: Re: bug#11823: tail: unrecognized file system type 0x61756673 for
	‘/var/log/messages’. please report
	this to bug-coreutils <at> gnu.org. reverting to polling
Date: Sat, 30 Jun 2012 19:08:26 +0200

Jim Meyering wrote:

> Michael Mol wrote:
>> "tail: unrecognized file system type 0x61756673 for
>> ‘/var/log/messages’. please report this to bug-coreutils <at> gnu.org.
>> reverting to polling"
>>
>> At the time, mount indicated the filesystem in question was aufs.
>>
>> The manpage for aufs shows a description of it: "aufs - advanced multi
>> layered unification filesystem. version 3.3-20120326"
>>
>> This was on the Gentoo 12.1 liveDVD.
>
> Thank you!
> Here's the patch I expect to push soon:
>
> Subject: [PATCH] stat,tail: recognize new file system type: aufs
>
> * src/stat.c (human_fstype) [__linux__]: Add a 'case' for the new
> remote file system type: aufs (0x61756673).
> * NEWS (New features): Mention stat -f.
> (Bug fixes): Mention it for tail -f.
> Reported by Michael Mol in http://bugs.gnu.org/11823

I've pushed that, so it will be part of the upcoming coreutils-8.18.

I've also pushed this, to fix a syntax-check FP introduced
by the preceding doc-"improving" change:

From fdfac0d15920a1930f1e46c00683381ae1f77638 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering <at> redhat.com>
Date: Sat, 30 Jun 2012 18:29:38 +0200
Subject: [PATCH] maint: avoid false-positive syntax-check failure due to
 fail=0 in .texi

* cfg.mk (exclude_file_name_regexp--sc_prohibit_fail_0): Exempt
all .texi files.
---
 cfg.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cfg.mk b/cfg.mk
index de05c4b..36458a4 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -463,7 +463,7 @@ exclude_file_name_regexp--sc_file_system = \
 exclude_file_name_regexp--sc_prohibit_always_true_header_tests = \
   ^m4/stat-prog\.m4$$
 exclude_file_name_regexp--sc_prohibit_fail_0 = \
-  (^scripts/git-hooks/commit-msg|^tests/init\.sh|Makefile\.am|\.mk)$$
+  (^.*/git-hooks/commit-msg|^tests/init\.sh|Makefile\.am|\.mk|.*\.texi)$$
 exclude_file_name_regexp--sc_prohibit_atoi_atof = ^lib/euidaccess-stat\.c$$

 tbi_1 = ^tests/pr/|(^gl/lib/reg.*\.c\.diff|Makefile(\.am)?|\.mk|^man/help2man)$$
--
1.7.11.1.104.ge7b44f1

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