Graphviz Issue Tracker
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IDProjectCategoryView StatusDate SubmittedLast Update
0002217graphvizDotpublic2012-04-14 15:412012-04-16 14:30
Assigned Toerg 
PlatformLinuxOSdebianOS Version2.6.32-5-686
Summary0002217: dot hang
DescriptionThe following dot digraph hangs dot:

 * file:
digraph iHangu {
       edge [sametail = true];
       X -> {X; Y;};
Steps To Reproduce$ dot # hang dot
Additional Information[email protected]:~$ uname -a
Linux gini 2.6.32-5-686 0000001 SMP Fri Sep 9 20:51:05 UTC 2011 i686 GNU/Linux
[email protected]:~$ dpkg -S $(which dot)
graphviz: /usr/bin/dot
[email protected]:~$ dpkg -s graphviz
Package: graphviz
Status: install ok installed
Priority: optional
Section: graphics
Installed-Size: 940
Maintainer: David Claughton <[email protected]>
Architecture: i386
Version: 2.26.3-5
Depends: libc6 (>= 2.7), libcdt4, libcgraph5, libexpat1 (>= 1.95.8), libgd2-noxpm (>= 2.0.36~rc1~dfsg) | libgd2-xpm (>= 2.0.36~rc1~dfsg), libgraph4, libgvc5, libgvpr1, libx11-6, libxaw7, libxmu6, libxt6
Recommends: ttf-liberation
Suggests: gsfonts, graphviz-doc
Conflicts: gdtclft
Description: rich set of graph drawing tools
 Graph drawing addresses the problem of visualizing structural information
 by constructing geometric representations of abstract graphs and networks.
 Automatic generation of graph drawings has important applications in key
 technologies such as database design, software engineering, VLSI and
 network design and visual interfaces in other domains. Situations where
 these tools might be particularly useful include:
   * you would like to restructure a program and first need to understand
     the relationships between its types, procedures, and source files
   * you need to find the bottlenecks in an Internet backbone - not only
     individual links, but their relationships
   * you're debugging a protocol or microarchitecture represented as a
     finite state machine and need to figure out how a certain
     error state arises
   * you would like to browse a database schema, knowledge base, or
     distributed program represented graphically
   * you would like to see an overview of a collection of linked documents
   * you would like to discover patterns and communities of interest in a
     database of telephone calls or e-mail messages
 This package contains the command-line tools.
Homepage: [^]
[email protected]:~$ dot -V
dot - graphviz version 2.26.3 (20100126.1600)
TagsNo tags attached.
VERSION2.26.3 (20100126.1600)
Attached Files

- Relationships

-  Notes
User avatar (0000224)
erg (administrator)
2012-04-16 14:30

The sametail/samehead mechanism was never meant to be used with loops, so the code now exempts them from the process.

- Issue History
Date Modified Username Field Change
2012-04-14 15:41 gini New Issue
2012-04-16 14:30 erg Note Added: 0000224
2012-04-16 14:30 erg Assigned To => erg
2012-04-16 14:30 erg Status new => closed
2012-04-16 14:30 erg Resolution open => fixed

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