Re: [darktable-user] 2.4.3 is unusable on my Ubuntu. It hangs/freezes

[Martin]

Thank you for the debug instructions, they may come handy again. I did not find 
them in the FAQ.

Before using them I already did the following:
- Renamed my database file and started darktable
- Exited
- Renamed the original db back into it's place
- Started again

A window popped up about maybe a dozen xml files needing reload/rewrite. After 
that darktable functioned as usual
again. No more hanging. So I assume it was an issue with my database. I have 
been deleting photos outside of darktable
and running the purge_non_existing_images.sh, but did not have issues with that 
before.

Anyway, thank you for this amazing software!

Best regards,
Martin



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Re: [darktable-user] 2.4.3 is unusable on my Ubuntu. It hangs/freezes

[Tobias Ellinghaus]

Am Samstag, 5. Mai 2018, 12:31:17 CEST schrieb Martin:
> Hello all,
> 
> I recently moved to 2.4.3 from 2.4.2 on Xubuntu 16.04 and was using
> the previous versions without problem.
> On 2.4.3 on startup or when I select a different folder or go to
> darkroom... the whole interface freezes, or hangs for several minutes.
> It is sadly unusable. Though CPU and ram usage is low. Anyone else
> experiencing that?

Could you please try running darktable from gdb, and once it hangs hit ctrl-c 
in gdb and produce a backtrace? The steps would be:

gdb darktable
r

ctrl-c
set pagination off
set logging file gdb.txt
set logging on
thread apply all bt full
c


q

Then the backtrace will be in "gdb.txt".

> How can I downgrade to 2.4.2? I tried:
> 
> sudo apt-get install darktable=2.4.2
> 
> but it says that version does not exist.
> 
> Best regards,
> Martin

Tobias

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