Debian Bug report logs - #405709
amule: aMule configuration screws up after unexpected poweroff

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: marc coll <marcoll@ya.com>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: amule: aMule configuration screws up after unexpected poweroff

Date: Fri, 05 Jan 2007 18:59:58 +0100

Package: amule
Version: 2.1.3-1
Severity: normal

Every time my computer loses power unexpectedly (it happens sometimes, since I don't have 
an UPS) while aMule is running, aMule configuration is lost when I start it again. All
my categories disappear, my screen layout... basically all the things kept in amule.conf
get lost when aMule is not properly closed.

Since I'm using a decent journaling filesystem (XFS) and all the other programs seem to work 
fine, I assume it's aMule's fault.

It is not quite annoying, but I have to keep a backup version of the config file to avoid 
losing my preferences every time.


-- System Information:
Debian Release: 4.0
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18.2
Locale: LANG=ca_ES@euro, LC_CTYPE=ca_ES@euro (charmap=ISO-8859-15)

Versions of packages amule depends on:
ii  amule-common                 2.1.3-1     common files for the rest of aMule
ii  libc6                        2.3.6.ds1-8 GNU C Library: Shared libraries
ii  libcrypto++5.2c2a            5.2.1c2a-3  General purpose cryptographic shar
ii  libgcc1                      1:4.1.1-19  GCC support library
ii  libstdc++6                   4.1.1-19    The GNU Standard C++ Library v3
ii  libwxbase2.6-0               2.6.3.2.1.5 wxBase library (runtime) - non-GUI
ii  libwxgtk2.6-0                2.6.3.2.1.5 wxWidgets Cross-platform C++ GUI t
ii  zlib1g                       1:1.2.3-13  compression library - runtime

Versions of packages amule recommends:
ii  amule-utils                   2.1.3-1    utilities for aMule (command-line 

-- no debconf information

Message #10 received at 405709-done@bugs.debian.org (full text, mbox, reply):

From: Sandro Tosi <morph@debian.org>

To: 405709-done@bugs.debian.org, 405709-submitter@bugs.debian.org

Subject: Re: amule: aMule configuration screws up after unexpected poweroff

Date: Wed, 30 Dec 2009 23:46:49 +0100

Hello Marc,

On Fri, Jan 05, 2007 at 06:59:58PM +0100, marc coll wrote:
> Package: amule
> Version: 2.1.3-1
> Severity: normal
>
> Every time my computer loses power unexpectedly (it happens sometimes, since I don't have
> an UPS) while aMule is running, aMule configuration is lost when I start it again. All
> my categories disappear, my screen layout... basically all the things kept in amule.conf
> get lost when aMule is not properly closed.
>
> Since I'm using a decent journaling filesystem (XFS) and all the other programs seem to work
> fine, I assume it's aMule's fault.
>
> It is not quite annoying, but I have to keep a backup version of the config file to avoid
> losing my preferences every time.

XFS applies this policy when resuming from an unexpected unmount of
the fs (such as in power loss): delete (or empty) any file in a middle
of a transition. So, since the amule files are constantly written,
they have higher probability to be removed/emptied after reboot.

That's not an amule problem, but an intrinsic XFS functionality. That
said, I'm closing this report.

Regards,
-- 
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi

Message #18 received at 405709@bugs.debian.org (full text, mbox, reply):

From: Marc Coll <marcoll@ya.com>

To: 405709@bugs.debian.org

Subject: Re: Bug#405709 closed by Sandro Tosi <morph@debian.org> (Re: amule: aMule configuration screws up after unexpected poweroff)

Date: Thu, 31 Dec 2009 09:58:04 +0100

I'm currently using ext4, and it still happens, so it's not an XFS 
issue. Besides, I don't see any reason why aMule should be constantly 
writing to amule.conf, since it's a file that should never change. 
Perhaps the [Statistics] section should be kept in a different file. 
Also, the files which are constantly being written, like the *.part 
files, never get lost. So I guess it can be aMule's fault.

Marc Coll
> This is an automatic notification regarding your Bug report
> which was filed against the amule package:
>
> #405709: amule: aMule configuration screws up after unexpected poweroff
>
> It has been closed by Sandro Tosi <morph@debian.org>.
>
> Their explanation is attached below along with your original report.
> If this explanation is unsatisfactory and you have not received a
> better one in a separate message then please contact Sandro Tosi <morph@debian.org> by
> replying to this email.
>
>
>   
>
> ------------------------------------------------------------------------
>
> Assumpte:
> Re: amule: aMule configuration screws up after unexpected poweroff
> De:
> Sandro Tosi <morph@debian.org>
> Data:
> Wed, 30 Dec 2009 23:46:49 +0100
> Per a:
> 405709-done@bugs.debian.org, 405709-submitter@bugs.debian.org
>
> Per a:
> 405709-done@bugs.debian.org, 405709-submitter@bugs.debian.org
>
>
> Hello Marc,
>
> On Fri, Jan 05, 2007 at 06:59:58PM +0100, marc coll wrote:
>   
>> Package: amule
>> Version: 2.1.3-1
>> Severity: normal
>>
>> Every time my computer loses power unexpectedly (it happens sometimes, since I don't have
>> an UPS) while aMule is running, aMule configuration is lost when I start it again. All
>> my categories disappear, my screen layout... basically all the things kept in amule.conf
>> get lost when aMule is not properly closed.
>>
>> Since I'm using a decent journaling filesystem (XFS) and all the other programs seem to work
>> fine, I assume it's aMule's fault.
>>
>> It is not quite annoying, but I have to keep a backup version of the config file to avoid
>> losing my preferences every time.
>>     
>
> XFS applies this policy when resuming from an unexpected unmount of
> the fs (such as in power loss): delete (or empty) any file in a middle
> of a transition. So, since the amule files are constantly written,
> they have higher probability to be removed/emptied after reboot.
>
> That's not an amule problem, but an intrinsic XFS functionality. That
> said, I'm closing this report.
>
> Regards,
>   
>
> ------------------------------------------------------------------------
>
> Assumpte:
> amule: aMule configuration screws up after unexpected poweroff
> De:
> marc coll <marcoll@ya.com>
> Data:
> Fri, 05 Jan 2007 18:59:58 +0100
> Per a:
> Debian Bug Tracking System <submit@bugs.debian.org>
>
> Per a:
> Debian Bug Tracking System <submit@bugs.debian.org>
>
>
> Package: amule
> Version: 2.1.3-1
> Severity: normal
>
> Every time my computer loses power unexpectedly (it happens sometimes, since I don't have 
> an UPS) while aMule is running, aMule configuration is lost when I start it again. All
> my categories disappear, my screen layout... basically all the things kept in amule.conf
> get lost when aMule is not properly closed.
>
> Since I'm using a decent journaling filesystem (XFS) and all the other programs seem to work 
> fine, I assume it's aMule's fault.
>
> It is not quite annoying, but I have to keep a backup version of the config file to avoid 
> losing my preferences every time.
>
>
> -- System Information:
> Debian Release: 4.0
>   APT prefers testing
>   APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
> Architecture: amd64 (x86_64)
> Shell:  /bin/sh linked to /bin/bash
> Kernel: Linux 2.6.18.2
> Locale: LANG=ca_ES@euro, LC_CTYPE=ca_ES@euro (charmap=ISO-8859-15)
>
> Versions of packages amule depends on:
> ii  amule-common                 2.1.3-1     common files for the rest of aMule
> ii  libc6                        2.3.6.ds1-8 GNU C Library: Shared libraries
> ii  libcrypto++5.2c2a            5.2.1c2a-3  General purpose cryptographic shar
> ii  libgcc1                      1:4.1.1-19  GCC support library
> ii  libstdc++6                   4.1.1-19    The GNU Standard C++ Library v3
> ii  libwxbase2.6-0               2.6.3.2.1.5 wxBase library (runtime) - non-GUI
> ii  libwxgtk2.6-0                2.6.3.2.1.5 wxWidgets Cross-platform C++ GUI t
> ii  zlib1g                       1:1.2.3-13  compression library - runtime
>
> Versions of packages amule recommends:
> ii  amule-utils                   2.1.3-1    utilities for aMule (command-line 
>
> -- no debconf information
>
>   

Message #23 received at 405709@bugs.debian.org (full text, mbox, reply):

From: Sandro Tosi <morph@debian.org>

To: Marc Coll <marcoll@ya.com>, 405709@bugs.debian.org

Subject: Re: [Pkg-amule-devel] Bug#405709: closed by Sandro Tosi <morph@debian.org> (Re: amule: aMule configuration screws up after unexpected poweroff)

Date: Thu, 31 Dec 2009 17:21:16 +0100

Hello Marc,

On Thu, Dec 31, 2009 at 09:58, Marc Coll <marcoll@ya.com> wrote:
> I'm currently using ext4, and it still happens, so it's not an XFS issue.

they are the same kind of filesystem, specifically journaling
filesystems. they guarantee that the filesystem (as a whole) is always
consistent (at the cost of "sacrifying" some files/dirs).

> Besides, I don't see any reason why aMule should be constantly writing to
> amule.conf, since it's a file that should never change. Perhaps the
> [Statistics] section should be kept in a different file. Also, the files
> which are constantly being written, like the *.part files, never get lost.

They are not constantly being written: there are buffers, and if a
part file is empied, the download will restart from 0, and for each
download there is just one part file. On the contrary, on ~/.aMule
there are files shared by all the downloads (so more changes per file)
so an update to a downloading file (for example for known) will
trigger an update, multiplied for all the downloading files it
increase the chance of a file corruption.

In any case, if you experience several power loss an UPS is in order,
and to solve the amule problem, a simple backup solution is more than
enough.

Regards,
-- 
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi

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