On Mon, Mar 18, 2013 at 3:00 PM, Clark Case <[email protected]> wrote:
> I have a newly installed Ubunty 12.10 system with a newly installed copy of
> Darktable.

Using my Darktable-Release-Plus PPA I hope? version 1.1.4 I guess?
Keep in mind that the Ubuntu repositories have a really outdated
version of Darktable.

> I tried importing a library of images (45k in number) and after a
> minute or two, Darktable crashed, wouldn't restart, and (somehow) made my
> file system read only.

Your filesystem going read-only is unlikely to be really darktable's
fault... it means that likely something else is going on (too)...

In cases where we've had similar reports, it often turned out that
users had their systems overclocked or poorly cooled or something
along those lines.

> I did a hard restart of my machine (it hung when attempting to soft restart)
> and deleted ~/.config/darktable and ~/cache/darktable. However, I am
> hesitant to try the import again.

Well, first make sure your hardware is fine... Let your machine run
memtest for a couple of hours... Check your harddisks SMART status...
etc etc...

Make sure to use Darktable at it's default settings, when trying to
troubleshoot any problem. (rm -Rf ~/.config/darktable should have made
sure of that). Also keep in mind that on a 32bit machine Darktable is
rather memory contrained, so going 64bit is highly recommended.

Then import your library in smaller batches... Possibly a thousand at
a time... If it still fails, split up the first thousand into say 10
batch of a hunderd images, and so on, until you find the problematic
image (if that's the case)...

Another thing that would be nice for us to know, what does your image
library consist of? Just RAW files (from which camera)? Directly
camera generated JPEGs? Edited JPEGs? other files?

Also, if you get another crash/filesystem read only, saving your
machine's full 'dmesg' maybe instrumental in troubleshooting your
(hardware) problem.

> Anyone have a theory on what went wrong? Was I trying to import too much at
> once?

Importing 45k images at once is rather atypical, certainly not
something tested every day.... But in theory it should work.

Practically, I seldomly import more than 1k images at a time. This
isn't a conscience choice, it's just a result of how I work...

Regards,
Pascal de Bruijn

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