[Dr. Geo] [Bug 2020185] [NEW] Crash when very long lines

[hilaire]

Public bug reported:

With the Smalltalk Sketch "Chaotic Sequence", modifying the code as
bellow:

n / 5 @ (2 * r value * value * (1 - value))

makes the VM to hangs and optionnaly to crash. Then the terminal shows
this repeated list of messages:

Object>>#shallowCopy
BitBlt>>#copyBits
BitBlt>>#copyBits
BitBlt>>#copyBits
BitBlt>>#copyBits
BitBlt>>#copyBits
Object>>#shallowCopy
BitBlt>>#copyBits

stack page bytes 8192 available headroom 5576 minimum unused headroom
5832

        (Segmentation fault)
Abandon (core dumped)

** Affects: drgeo
     Importance: High
         Status: New


** Tags: core smalltalk-sketch

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https://bugs.launchpad.net/bugs/2020185

Title:
  Crash when very long lines

Status in Dr. Geo:
  New

Bug description:
  With the Smalltalk Sketch "Chaotic Sequence", modifying the code as
  bellow:

  n / 5 @ (2 * r value * value * (1 - value))

  makes the VM to hangs and optionnaly to crash. Then the terminal shows
  this repeated list of messages:

  Object>>#shallowCopy
  BitBlt>>#copyBits
  BitBlt>>#copyBits
  BitBlt>>#copyBits
  BitBlt>>#copyBits
  BitBlt>>#copyBits
  Object>>#shallowCopy
  BitBlt>>#copyBits

  stack page bytes 8192 available headroom 5576 minimum unused headroom
  5832

        (Segmentation fault)
  Abandon (core dumped)

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