[Digikam-devel] [digikam] [Bug 339751] New: large tif files crash thumbnail generator (out of memory / sig11)
Peter Gervai
grin at grin.hu
Tue Oct 7 15:00:41 BST 2014
https://bugs.kde.org/show_bug.cgi?id=339751
Bug ID: 339751
Summary: large tif files crash thumbnail generator (out of
memory / sig11)
Product: digikam
Version: 4.3.0
Platform: Debian unstable
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: Thumbnails
Assignee: digikam-devel at kde.org
Reporter: grin at grin.hu
I have found bug #314260 which described the problem: a directory contained a
dozen large (20+MB) TIFs (generated by hugin btw) and it crashed digikam at
startup. It was a bitch to figure out the problem since neither console nor
debug contained the exact filenames (nor hashes nor anything useful), so first
I thought it's about the pretty large thumbnails.db. Later it turned out that
digikam crashed by scanning or displaying a subdirectory so I clicked them
one-by-one (hadda be fast, like an action game) until the crasher was found.
digikam(5561)/digikam (core): Cannot allocate buffer of size 2408382400
was one of the messages which probably mean that digikam wanted to use some
extreme amounts of memory to do whatever thumbnailing. I believe I'd prefer
_not_ to see thumbnails instead of startup crashing so probably some
pre-allocation checks are in high demand.
Reproducible: Always
Steps to Reproduce:
1. 30+ TIFs in 20+MB size thrown in the middle of a large image collection
subdir tree
2. start digikam
3. crash in 5 seconds
I used the Debian package, neither git nor debug version as I don't have right
now the bandwidth to gather all the stuff to compile it.
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