[Digikam-devel] Strange crashes

[Andi Clemens]

I have removed KDEmod (a modular and modified version of Qt and KDE for 
Archlinux) and installed vanilla packages now (puh but I don't like this.. so 
big packages).
Anyway I need to setup my system here again, and then I will test this.

Andi

On Thursday 21 May 2009 19:40:47 Gilles Caulier wrote:
> Well, the question is why it's work with dolphin and konqueror and not
> in digiKam, as Andi said in a private mail. Code relevant is here :
>
> 1/ Dolphin and konqueror use it from a kioslave :
>
> http://lxr.kde.org/source/KDE/kdebase/runtime/kioslave/thumbnail/thumbnail.
>cpp#739
>
> 2/ digiKam from a separated thread:
>
> http://lxr.kde.org/source/extragear/graphics/digikam/libs/threadimageio/thu
>mbnailcreator.cpp#268
>
> Possible issue : ::rename is not re-entrant and crash digiKam
> (multi-threading)
>
> Question : if i remember, Gwenview use also multithreading to render
> thumbs. Look like there is an option in setup to clean up
> ~/.thumbnails dir when program session is down. Andi, can you test
> with Gwenview on your computer ?
>
> Gilles
>
> 2009/5/21 Matthias Welwarsky <matze at welwarsky.de>:
> > On Thursday 21 May 2009 18:40:29 Marcel Wiesweg wrote:
> >> > Have you deleted / renamed your ~/.thumbnails folder?
> >> > Already generated thumbnails from the past (before the KDE::rename
> >> > patches) are working perfectly fine here, too.
> >> >
> >> > What happens when you rename the thumbnails folder so that all thumbs
> >> > are really generated new?
> >> >
> >> > I always get
> >> > digikam(7372)/digikam (core) Digikam::ThumbnailCreator::load: Cannot
> >> > rename thumb file (
> >> > "/tmp/kde-andi/415adced8a4644d971d5c6706c2abc90-digikam- wS7372.png" )
> >> > digikam(7372)/digikam (core) Digikam::ThumbnailCreator::load: to (
> >> > "/home/andi/.thumbnails/large/415adced8a4644d971d5c6706c2abc90.png"
> >> > )...
> >> >
> >> > My /tmp is on my root partition (ext4), /home is reiserfs.
> >> > I also changed /tmp to be the tmpfs (so that it is a ramdisk
> >> > actually), but still the same error.
> >>
> >> I can confirm this. New thumbnails are not stored. The error messages as
> >> above appear. /tmp is on a different partition than /home, both ext4.
> >
> > Ah. So the rename is not working across file systems :-) Maybe because it
> > uses rename(2)? Take a look at the man page.
> >
> > _______________________________________________
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> > Digikam-devel at kde.org
> > https://mail.kde.org/mailman/listinfo/digikam-devel
>
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