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IDProjectCategoryView StatusDate SubmittedLast Update
0000644graphvizDotpublic2006-12-07 14:512011-04-28 04:03
ReporterRyan Gustafson 
Assigned Toerg 
PrioritynormalSeveritycriticalReproducibilityalways
StatusclosedResolutionfixed 
PlatformOSx86-Windows-XP SP2OS Version
Summary0000644: Dot hangs
Description



I've tried Graphvis 2.4, 2.12, and 2.13.20061206.0540, all seem to hang
on this DOT input. I used the following command line:



   dot -v bad2.dot -Tpng -oStateMachine.png



The output I see is only the following:
<CD>
    render : canon cmap cmapx dia dot fig gd gd2 gif hpgl imap ismap jpeg
jpg mif mp pcl pic plain plain-ext png ps ps2 svg svgz vrml vtx wbmp xdot
    layout : circo dot fdp neato nop nop1 nop2 twopi
    textlayout : textlayout
    device :
    loadimage : 2ps gif2fig gif2gd gif2ps gif2svg gif2vrml jpeg2fig jpeg2gd j
peg2ps jpeg2svg jpeg2vrml png2fig png2gd png2ps png2svg png2vrml ps2ps
dot: fontname "Helvetica" resolved to "C:\WINDOWS\FONTS/arial.ttf"
network simplex: 19 nodes 28 edges 0 iter 0.00 sec
mincross: pass 0 iter 0 trying 0 cur_cross 17 best_cross 17
mincross: pass 0 iter 1 trying 0 cur_cross 15 best_cross 15
mincross: pass 0 iter 2 trying 0 cur_cross 12 best_cross 12
</CD>
Additional Information

I've tried paring the file down to a minimal case, but this is as far as
I could get using mindless simplification.

If I remove NODE1 and the one edge from NODE1, instead of getting a
hang, dot crashes. That happens for all 3 versions of dot I've tried
using.

Thanks,
Ryan
The DOT file I've included is a quite cleaned up version of what Linguine
Maps is generating.

[erg] Commenting out subgraph 5 (removing the same rank constraint)
causes the problem to go away.
TagsNo tags attached.
AUXILLARY-FILES
DATE-FIXED
FIX-COMMENT
FORMER-ID1053
INPUT-FILEhttp://www.graphviz.org/bugs/b1053.dot [^]
OUTPUT-FILE
STATUS-COMMENTFixed
VERSION     2.12
Attached Files

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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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