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IDProjectCategoryView StatusDate SubmittedLast Update
0000787graphvizDotpublic2007-09-28 06:582011-04-28 04:03
ReporterNeil Bird 
Assigned Toerg 
PrioritynormalSeveritymajorReproducibilityalways
StatusclosedResolutionfixed 
PlatformOS*-*-OS Version
Summary0000787: arithmetic overflows in layout
Description



I have to admit that I'm not using graphviz first-hand, this is when running doxygen. I hope it's not out of protocol to post an offending dot file, either!



I had been running graphviz 2.12 (Fedora 7), and when I went to run doxygen for the first time in a while I saw loads of segfaults from dot. I tried to diagnose the problem there, but it seemed to be due to some extreme image size making it down into cairo, and I couldn't really follow it.






So, I've compiled up 2.14 from the website, and while it's not crashing now, I'm getting zero-sized png files. I also tried SVG, but it seems to generate a monstrously wide polygon and I can't see anything else.



A glance through an example dot file in question (snaffled from the crashing version which left it behind) doesn't make me immediately suspicious of anything. Indeed, I've removed a few lines off the bottom in an attempt to pin down the offending one, but there doesn't seem to be one line in particular that's causing the problem.
Additional Information

[ellson] If all edges are removed then the nodes render just fine.
If all nodes are removed, then the graph renders just fine with the empty nodes.

[erg] This is our hold friend bug 456 again.
TagsNo tags attached.
AUXILLARY-FILES
DATE-FIXED
FIX-COMMENT
FORMER-ID1199
INPUT-FILEhttp://www.graphviz.org/bugs/b1199.dot [^]
OUTPUT-FILE
STATUS-COMMENTFixed (11 Oct 2007)
VERSION     2.15
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- Issue History
Date Modified Username Field Change
2011-04-28 04:03 user1 New Issue
2011-04-28 04:03 user1 Assigned To => erg


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