Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client software

[Jesse Thompson]

Oh, and of course don't forget to restart courier-imap after any
fam-related solution you try. Because courier has so many components,
I like the handy restart suggestions I found at this page:

http://www.tutorialnut.com/index.php/2010/05/18/quick-fix-filesystem-notification-initialization-error-contact-your-mail-administrator-check-for-configuration-errors-with-the-famgamin-library/

in short:
for script in /etc/init.d/*courier*; do sudo $script restart;done

and take out the keyword "sudo" if you're already logged in as root. :)



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Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client software

[Jesse Thompson]

I began having this trouble after upgrading from Lenny to Squeeze. In
particular (summary from /var/log/apt/term.log):

courier-base 0.60.0-2 --> courier-base_0.65.0-3_i386.deb
courier-imap 4.4.0-2 --> courier-imap_4.8.0-3_i386.deb
libfam0 2.7.0-13.3+lenny1 --> libfam0_2.7.0-17_i386.deb

I tried to replace fam with gamin, but the error for affected clients
continued and additionally this made IMAP requests slow down to a crawl.
Also we started to get the following errors in our mail.log:

imapd: Failed to connect to socket /tmp/fam--

We determined the errors and imap slowdown came from gamin not liking our
practice of using virtual users not in /etc/passwd, leading to mail folders
owned by unnamed uid/gid pairs. Because of that every IMAP transaction had
to time out talking to gamin before completing, making webmail almost
unusable.

We finally found relief from all of these errors by going back to fam, and
by rolling back and pinning libfam0 (and thus fam as well)
to 2.7.0-13.3+lenny1. This resolves the error even for courier 0.65.0-3 in
squeeze, without having to change to gamin and without having to recompile
courier to patch out fam dependencies (as I have heard other people online
suggest). I'm pretty sure this even means the enhanced idle support will
still work, though our users do not rely on that feature to my knowledge.

Thus I surmise this is a new compatibility problem between courier and fam
introduced by updates on the fam side somehow. :S

I am a bug-report newbie so I don't know how or if to let the debian fam
package maintainers know about the issue. But for users in the same boat as
me, if you want to try my temporary workaround please follow the rough
procedural guideline here:
http://wiki.debian.org/RollbackUpdate

check your /var/log/apt/term.log if you're not sure which version of fam
worked for you before your update, and if you do see fit to roll all the way
back to a lenny build like I did you might need to alter your apt sources
file temporarily to "oldstable", apt-get update, rollback libfam0 (and thus
fam), pin them in /etc/apt/preferences, change apt sources back to stable,
and apt-get update again. You should only need to pin fam and libfam0, not
courier or portmap or anything else.

Stay safe!

- - Jesse Thompson
Webformix High Speed Internet
http://www.webformix.com/

Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client

[Michelle Konzack]

Am 2010-06-17 09:59:32, schrieb Stefan Hornburg (Racke):
> On 06/17/2010 09:49 AM, Martin Richardson wrote:
> >Sounds like libgamin0/gamin should be dependancies instead of libfam0.
> >Cheers, Martin.
> The only thing it makes sense to use FAM is with NFS, so I'm not sure
> if we really want to depend on gamin only.

You mean, NFS is the mailstore is on a NFS share?
How any peoples have there Maildirs on NFS?

I do not use "fam" because with it, my Quad-Xeon would not more boot...
Also I do not use "gamin".

Thanks, Greetings and nice Day/Evening
Michelle Konzack

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Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client

[Stefan Hornburg (Racke)]

On 06/17/2010 09:49 AM, Martin Richardson wrote:

Sounds like libgamin0/gamin should be dependancies instead of libfam0.

Cheers, Martin.



The only thing it makes sense to use FAM is with NFS, so I'm not sure
if we really want to depend on gamin only.

Regards
   Racke

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Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client

[Martin Richardson]

Sounds like libgamin0/gamin should be dependancies instead of libfam0.

Cheers, Martin.

Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client

[Michelle Konzack]

Hello Martin Richardson,

Am 2010-06-16 19:45:51, hacktest Du folgendes herunter:
> Installing fam will also fix this.
> Good Luck.

...by increasing the CPU and I/O load over 600%.

Thanks, Greetings and nice Day/Evening
Michelle Konzack

-- 
# Debian GNU/Linux Consultant ##
   Development of Intranet and Embedded Systems with Debian GNU/Linux

itsyst...@tdnet France EURL   itsyst...@tdnet UG (limited liability)
Owner Michelle KonzackOwner Michelle Konzack

Apt. 917 (homeoffice)
50, rue de Soultz Kinzigstraße 17
67100 Strasbourg/France   77694 Kehl/Germany
Tel: +33-6-61925193 mobil Tel: +49-177-9351947 mobil
Tel: +33-9-52705884 fix

  
 

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Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client

[Martin Richardson]

Installing fam will also fix this.
Good Luck.

Cheers, Martin.

Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client software

[Guillaume Ayoub]

This bug is due to a missing space in the warning message. It has been
reported upstream on the courier users mailing list:

http://sourceforge.net/mailarchive/forum.php?thread_name=4BA4F266.3080603%40linuxia.de&forum_name=courier-users




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Bug#578937: courier-base: Emits "Filesystem notification initialization error" to client software

[Jean-Christophe Dubacq]

Package: courier-base
Version: 0.64.2-1
Severity: important

Since upgrade to 0.64.2-1 (and as the changelog says:
2010-03-12  Sam Varshavchik  

* imapd.c (main): Dummy FAM/Gamin initialization, report an error
during login, upon a failure.

2010-03-10  Sam Varshavchik  

* imapd.c (imapenhancedidle): Make FAM error more meaningful.

), icedove displays on each mailbox change:

"Filesystem notification initialization error -- contact your mail
administrator (check for configuration errors with the FAM/Gamin library)"

This is really troublesome, and also does not seem to have a visible
effect.

Is it possible to revert the transmission of this info?

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 
'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages courier-base depends on:
ii  courier-authdaemon0.63.0-2   Courier authentication daemon
ii  courier-authlib   0.63.0-2   Courier authentication library
ii  courier-authlib-userdb0.63.0-2   userdb support for the Courier aut
ii  debconf [debconf-2.0] 1.5.32 Debian configuration management sy
ii  libc6 2.10.2-6   Embedded GNU C Library: Shared lib
ii  libfam0   2.7.0-16.1 Client library to control the FAM 
ii  libgdbm3  1.8.3-9GNU dbm database routines (runtime
ii  lsb-base  3.2-23.1   Linux Standard Base 3.2 init scrip
ii  perl  5.10.1-12  Larry Wall's Practical Extraction 

courier-base recommends no packages.

courier-base suggests no packages.

-- debconf information:
  courier-base/authlib-initial:
* courier-base/maildir: Maildir
  courier-base/maildirpath:
* courier-base/webadmin-configmode: true



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