[Bug 149915] New: Sending selected pictures makes PC hang for 15 minutes + crash

[RalfGesellensetter]

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           Summary: Sending selected pictures makes PC hang for 15 minutes +
                    crash
           Product: digikam
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: rgx gmx de


Version:           0.9.2-beta3 (using KDE 3.5.7, Debian Package 4:3.5.7.dfsg.1-1 (lenny/sid))
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.18-4-k7

Until 2 minutes ago, my Debian system hang under heavy load (not even switching to console was possible).

What had happened? I selected 8 out of 55 pictures for mail transport (1024 pixel). As digikam had crashed in the end (no messages however), I can only guess that
- instead of 8, all 55 pictures were prepared
  for sending (i.e. scaled down)
-  this process was started with highest
   priority thus making xmms stop and in the
   end even the TTY manager was overloaded.

What should happen:
- query "send 55 pictures by mail?"
- run process with lower priority (nice)
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[RalfGesellensetter]

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------- Additional Comments From rgx gmx de  2007-09-16 17:24 -------
Some further apps were closed during this process, namely Openoffice (several windows open).
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[RalfGesellensetter]

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------- Additional Comments From rgx gmx de  2007-09-16 17:28 -------
apparently, only selected files were written to /tmp/kde-knoppix/kipi-sendimagesplugin-16661

looks like /tmp and thus / ran out of memory during that process...

this is what made ooo and digikam crash, I guess
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[Arnd Baecker]

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arnd.baecker web de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|digikam                     |kipiplugins



------- Additional Comments From arnd.baecker web de  2007-09-17 07:36 -------
Hi Ralf,

just wondering: does the problem also occur
when openoffice is not running
(I recently had some similar crashes with openoffice,
where huge amount of RAM are used so that the kernel
starts killing processes. So it could have also
been openoffice killing digikam ... ;-)

Could you try monitoring (eg. with top) the RAM used while exporting?

Thanks,

Arnd
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[Arnd Baecker]

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arnd.baecker web de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |sendimages
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[RalfGesellensetter]

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------- Additional Comments From rgx gmx de  2007-09-18 17:17 -------
Hi Arnd,

Am Montag 17 September 2007 07:36 schrieb Arnd Baecker:
> Could you try monitoring (eg. with top) the RAM used while exporting?


While exporting I could not even switch to a console (ALT+F1) - the
system was totally overloaded. Partly due to a full / and thus /tmp!

Afterwards I only found those 5 files I meant to export in a tmp
folder - so this is okay. Nevertheless, image conversion (also during
html export) seems to be quite slow and cpu consuming...

Regards
Ralf
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[Arnd Baecker]

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------- Additional Comments From arnd.baecker web de  2007-09-18 17:42 -------
Hi Ralf,

what I would be interested in, whether the problem is reproducible
(in particular, without openoffice running at the same time).
If you run top in a konsule, before you start sending the selected pictures
and arange windows carefully, you should be able to see the output
of top, even if the system is completely unresponsive.

If the crash is reproducible and caused by digikam,
a full backtrace will be needed to find the source of the problem
(see: "If you are experiencing crashes with digiKam" on http://www.digikam.org/?q=contrib )

I can't comment on the speed as I don't use this tool...

Thanks a lot in advance,

Arnd
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[Gilles Caulier-4]

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------- Additional Comments From caulier.gilles gmail com  2007-09-19 08:17 -------
Ralf,

SendImages kipi-plugins write temporary images to e-mail in a the /tmp folder (using KDE api). I suspect a free-space problem on your computer. What a "df" give on your computer ?

Gilles Caulier
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------- Additional Comments From pave o2 pl  2007-09-19 12:35 -------
Ralf,

The symptoms you described suggest that it was rather RAM shortage problem. I would guess that you couldn't switch to console due to extensive swapping and OpenOffice et al. were killed by the OOM killer. Make sure you set some sensible ulimit for memory, then try to reproduce. Only digiKam should get killed then.

Pawel
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[RalfGesellensetter]

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------- Additional Comments From rgx gmx de  2007-09-19 20:10 -------
Dear Arnd,

thanks for replying. The crash is not reproducable:
I tried even while running Openoffice with 5 open documents.
This time, the task completes within 5 seconds or so (the CPU load goes
up to 100% meanwhile).

So, it must have been due to full /tmp partition.

Thanks, should be set to "worksforme" or "invalid".
Regards
Ralf

Am Dienstag 18 September 2007 17:42 schrieb Arnd Baecker:
[bugs.kde.org quoted mail]
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[Arnd Baecker]

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arnd.baecker web de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From arnd.baecker web de  2007-09-19 20:17 -------
Thanks a lot for the feedback!
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