Tim, EXCELLENT. I experimented and found a $wgMaxShellMemory value that works. Here's what I put in my LocalSettings.php and now SVG thumbnailing WORKS:
## SVG thumbnailing requires more memory (Roger 2012.10.31) ## Maximum amount of virtual memory available to shell processes ## under linux, in KB. #$wgMaxShellMemory = 102400; //102MB fails #$wgMaxShellMemory = 200000; //200MB works on some $wgMaxShellMemory = 300000; //300MB WORKS
Thanks! Roger :-)
On Tue, Oct 30, 2012 at 10:50 PM, Tim Starling tstarling@wikimedia.orgwrote:
On 31/10/12 16:08, roger@rogerchrisman.com wrote:
I am getting this error instead of a thumbnail rendering of SVG files on
my
MediaWikis:
Error creating thumbnail: ERROR: meta.c (179): wmf_header_read: this
isn't
a wmf file convert: Delegate failed `"wmf2svg" -o "%o" "%i"'. convert: unable to open image `/tmp/magick-XXn4EQJ3': No such file or directory. convert: unable to load module `/usr/lib64/ImageMagick-6.2.8/modules-Q16/coders/svg.la':
libdbus-1.so.3:
failed to map segment from shared object: Cannot allocate memory. convert: unable to open file `/tmp/magick-XXn4EQJ3': No such file or directory. convert: missing an image filename `PNG:/tmp/transform_402f06e-1.png'.
Why is MediaWiki trying to treat the SVG as a "wmf" file?
It's not, that's just convert checking to see if the file is a WMF file, which it isn't, so that's all fine. It then runs out of memory. You can increase $wgMaxShellMemory to fix it.
-- Tim Starling
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