[Rd] plot, plot, methods, crash (PR#5173)

[Prof Brian Ripley]

As you suspected it does not happen for me on Windows XP.

Any chance you could get some useful debugging information from Dr MinGW 
(see the rw-FAQ)?

On Tue, 18 Nov 2003 Simon.Fear at synequanon.com wrote:

> (If this only happens in Win 98, I'm sure I could live with it. Just
> may be helpful to report it, I hope.)
> 
> Start up R GUI, then
> 
> > plot(1:4,1:4)	# then close manually by clicking X
> > plot(1:4,1:4)  # ditto
> > methods(plot) 
> 
> sometimes produces normal output and even the following prompt, 
> but then crashes immediately, or more often, crashes immediately with
> no output.
> 
> I can do any number of plot() -methods() pairs, just not more than one
> plot followed by methods(). I've tried plot x 2 followed by several other
> functions without problems - methods() is the only one I know to fail.
> 
> For the above sequence the errror output is:
> 
> RGUI caused an invalid page fault in
> module R.DLL at 0167:6b57d300.
> Registers:
> EAX=00000001 CS=0167 EIP=6b57d300 EFLGS=00010202
> EBX=00000000 SS=016f ESP=0073c648 EBP=0073c660
> ECX=00000101 DS=016f ESI=00000000 FS=2a17
> EDX=019e1e38 ES=016f EDI=6b5f0000 GS=0000
> Bytes at CS:EIP:
> 8b 10 83 fa 30 74 19 83 fa 50 74 14 89 45 08 8b 
> Stack dump:
> 00000000 bff741f7 00000000 bff54e68 0001dce4 00000000 0073c6a0 6b57d470
> 00000001 0073c688 0073c6d4 0073c6ee 0000000d c01c0001 0073c6b8 6b57c18a 
> 
> >From bug.report("no connected email") just before the crash line:
> 
> --please do not edit the information below--
> 
> Version:
>  platform = i386-pc-mingw32
>  arch = i386
>  os = mingw32
>  system = i386, mingw32
>  status = 
>  major = 1
>  minor = 8.0
>  year = 2003
>  month = 10
>  day = 08
>  language = R
> 
> Windows 98 SE 4.10 (build 2222)  A 
> 
> Search Path:
>  .GlobalEnv, package:methods, package:ctest, package:mva, package:modreg,
> package:nls, package:ts, Autoloads, package:base  
>  
> Simon Fear 
> Senior Statistician 
> Syne qua non Ltd 
> Tel: +44 (0) 1379 644449 
> Fax: +44 (0) 1379 644445 
> email: Simon.Fear at synequanon.com 
> web: http://www.synequanon.com 
>   
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> 

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595