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IDProjectCategoryView StatusDate SubmittedLast Update
0001049graphvizDotpublic2006-01-25 14:582011-04-28 04:03
ReporterAlan Somers 
Assigned Tonorth 
PlatformOSx86-Windows-XP SP2OS Version
Summary0001049: dot crash in version 2.4 and 2.6 in windows and linux

in either cygwin or the graphviz gui causes dot to crash and popup the
"dot.exe has encountered a problem and needs to close.
We are sorry for the inconvenience." box

Commenting out the line "ui -> uart" causes dot to run successfully.
Moving that line to a different point in the file does not fix the problem,
nor do cosmetic non-syntactical changes such as whitespace addition appear
to fix the problem.

Running the same input on a linux computer succeeded. The linux computer's
setup was:
kernel 2.6.15
dual amd64
graphviz 1.12-r1

Upgrading the linux computer to graphviz 2.6 causes dot to crash with the
error message:
Error: trouble in init_rank
*** glibc detected *** malloc(): memory corruption: 0x00000000006b60a0 ***

Commenting out "ui -> uart" and running dot 2.6 on linux causes a crash
with the error message:
Error: trouble in init_rank
Segmentation fault

Commenting out the last three lines
  //audio -> midi[dir=both]
  //midi -> uart[dir=both]
  //ui -> uart
causes dot to complete successfully.
Additional Information

I will be trying to recreate this bug on linux with different versions
of graphviz and post my results.
TagsNo tags attached.
STATUS-COMMENTFixed (26 Jan 2006)
VERSION     2.4
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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 => Stephen North

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