I've just tested the very-wide png on my system. (Feisty)
It doesn't really 'hang' but rather takes full CPU for quite some time (3
minutes over here, I guess depending on specs YMMV)
During that time none of the 'nautilus-managed-windows' are being updated (so
it surely feels like system locks up for a moment there)
I have the impression this is related to 'thumbnail generation' of those
images since:
- this long wait-time only occurs *once* when the image is displayed a first
time in nautilus
(and to be clear: not if I close nautilus and then come back into that
directory with a new window, even if other content in that directory changed)
(but it does again if I 'kill' nautilus rather then just 'close' the window)
- this never happens if I disable the preview (Edit | Preferences >
'Preview' tab, choose 'never' for 'show thumbnails')
- this happens again if I change the file-name of the very-wide.png
(either through F2 in nautilus, or with a CLI mv command and then use
nautilus to walk into that directory again)
(interesting: the name-change itself is only displayed/updated in nautilus
after this wait-time)
By the way: I experienced this behaviour earlier on mounted remote (smb) disks
where I assume the slow loading of the remote file will cause the effect
earlier (i.e. for smaller files already)
--
Nautilus hangs when browsing high-res PNG
https://bugs.launchpad.net/bugs/117830
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