SUMMARY
when i press on the transorm tool or use ctrl+t, krita crashes. sometimes it works fine for a minute or two before crashing, in one case crashing because i switched from it to the brush tool.

STEPS TO REPRODUCE
1. open krita
2. open or create a canvas
3. use the transform tool

SOFTWARE/OS VERSIONS
Linux (x86_64) release 5.3.13-arch1-1

KRITA DID NOT CLOSE CORRECTLY
================================================================================
SESSION: 28 Nov 2019 13:49:07 -0600. Executing krita

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Krita

 Version: 4.2.8
 Languages: C
 Hidpi: true

Qt

  Version (compiled): 5.13.2
  Version (loaded): 5.13.2

OS Information

  Build ABI: x86_64-little_endian-lp64
  Build CPU: x86_64
  CPU: x86_64
  Kernel Type: linux
  Kernel Version: 5.3.13-arch1-1
  Pretty Productname: Arch Linux
  Product Type: arch
  Product Version: unknown

OpenGL Info
 
  Vendor:  "X.Org" 
  Renderer:  "Radeon RX 560 Series (POLARIS11, DRM 3.33.0, 5.3.13-arch1-1, LLVM 9.0.0)" 
  Version:  "4.5 (Compatibility Profile) Mesa 19.2.6" 
  Shading language:  "4.50" 
  Requested format:  QSurfaceFormat(version 3.0, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::CompatibilityProfile) 
  Current format:    QSurfaceFormat(version 4.5, options QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24, redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer, swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::CompatibilityProfile) 
     Version: 4.5
     Supports deprecated functions true 
     is OpenGL ES: false 

QPA OpenGL Detection Info 
  supportsDesktopGL: true 
  supportsOpenGLES: true 
  isQtPreferOpenGLES: false 

Hardware Information

  GPU Acceleration: auto
  Memory: 7892 Mb
  Number of Cores: 4
  Swap Location: /tmp

Current Settings

	Current Swap Location: /tmp
	Undo Enabled: 1
	Undo Stack Limit: 30
	Use OpenGL: 1
	Use OpenGL Texture Buffer: 1
	Use AMD Vectorization Workaround: 0
	Canvas State: OPENGL_SUCCESS
	Autosave Interval: 900
	Use Backup Files: 1
	Number of Backups Kept: 1
	Backup File Suffix: ~
	Backup Location: Same Folder as the File
	Use Win8 Pointer Input: 0
	Use RightMiddleTabletButton Workaround: 0
	Levels of Detail Enabled: 0
	Use Zip64: 0


28 Nov 2019 13:49:24 -0600: CLOSING SESSION