R help - May 2003 - abrupt end to R

Dear All,

I haven't seen any further comments about the problem that John Marsland 
first noted and that I also have:

 > library(DBI)
 > library(RMySQL)
Warning message:
DLL attempted to change FPU control word from 8001f to 9001f
 > mgr <- dbDriver("MySQL")
 > con <- dbConnect(mgr, host="localhost",
dbname="marketing")

upon which R dies...

Dr. Mingw says:

Rgui.exe caused an Access Violation at location 77c13730 in module 
msvcrt.dll Reading from location 00000000.

Registers:
eax=10e501a0 ebx=00000000 ecx=00000000 edx=10e51fe0 esi=00000000 edi=003e3d08
eip=77c13730 esp=0022d5ac ebp=0022d7f8 iopl=0         nv up ei pl zr na po nc
cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000             efl=00000246

Call stack:
77C13730  msvcrt.dll:77C13730  strlen
004C799D  R.dll:004C799D  do_dotcall
004DA35F  R.dll:004DA35F  Rf_eval
004DC2D5  R.dll:004DC2D5  do_set
004DA3C8  R.dll:004DA3C8  Rf_eval
004DBA52  R.dll:004DBA52  do_begin
004DA3C8  R.dll:004DA3C8  Rf_eval
004DA6B5  R.dll:004DA6B5  Rf_applyClosure
004DA1D7  R.dll:004DA1D7  Rf_eval
004DA949  R.dll:004DA949  Rf_applyClosure
004DAC5A  R.dll:004DAC5A  R_execMethod
10DA2B43  methods.dll:10DA2B43  R_standardGeneric
0050C059  R.dll:0050C059  do_standardGeneric
004DA35F  R.dll:004DA35F  Rf_eval
004DA0F6  R.dll:004DA0F6  Rf_eval
004DA03E  R.dll:004DA03E  Rf_eval
004DA0F6  R.dll:004DA0F6  Rf_eval
004DA03E  R.dll:004DA03E  Rf_eval
004DA0F6  R.dll:004DA0F6  Rf_eval
004DA03E  R.dll:004DA03E  Rf_eval
004DC4BB  R.dll:004DC4BB  Rf_evalList
004DA2F0  R.dll:004DA2F0  Rf_eval
004DD2F3  R.dll:004DD2F3  Rf_DispatchOrEval
0056941B  R.dll:0056941B  do_subset2
004DA3C8  R.dll:004DA3C8  Rf_eval
004DA6B5  R.dll:004DA6B5  Rf_applyClosure
004DA1D7  R.dll:004DA1D7  Rf_eval
004DC2D5  R.dll:004DC2D5  do_set
004DA3C8  R.dll:004DA3C8  Rf_eval
004DBA52  R.dll:004DBA52  do_begin
004DA3C8  R.dll:004DA3C8  Rf_eval
004DA6B5  R.dll:004DA6B5  Rf_applyClosure
004DA1D7  R.dll:004DA1D7  Rf_eval
004DB0DC  R.dll:004DB0DC  do_if
004DA3C8  R.dll:004DA3C8  Rf_eval
004DB427  R.dll:004DB427  do_for
004DA3C8  R.dll:004DA3C8  Rf_eval
004DBA52  R.dll:004DBA52  do_begin
004DA3C8  R.dll:004DA3C8  Rf_eval
004DA3C8  R.dll:004DA3C8  Rf_eval
004DBA52  R.dll:004DBA52  do_begin
004DA3C8  R.dll:004DA3C8  Rf_eval
004DA6B5  R.dll:004DA6B5  Rf_applyClosure
004DA1D7  R.dll:004DA1D7  Rf_eval
004DA6B5  R.dll:004DA6B5  Rf_applyClosure
004DA1D7  R.dll:004DA1D7  Rf_eval
004DC2D5  R.dll:004DC2D5  do_set
004DA3C8  R.dll:004DA3C8  Rf_eval
004F996E  R.dll:004F996E  Rf_ReplIteration
004F9F72  R.dll:004F9F72  Rf_ReplIteration
004FAA76  R.dll:004FAA76  run_Rmainloop
004014D7  Rgui.exe:004014D7
0040141E  Rgui.exe:0040141E
00401603  Rgui.exe:00401603
00401165  Rgui.exe:00401165
00401013  Rgui.exe:00401013
77E5EB69  kernel32.dll:77E5EB69  CreateProcessInternalW


But then, again, I never did speak Chinese...

Thanks for your help.

David Tudor



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Please do use an informative subject line.

The comment was that he was using code compiled against MySQL 4.0.x on
MySQL 3.2.x, and had not read the readmes.

A further comment is that you are asked *not* to report problems with 
pre-compiled packages on R-help, but to re-compile them yourself.
He had ignored that, and I suspect you have too.

On Thu, 15 May 2003, David Tudor wrote:
> I haven't seen any further comments about the problem that John
Marsland
> first noted and that I also have:
> 
>  > library(DBI)
>  > library(RMySQL)
> Warning message:
> DLL attempted to change FPU control word from 8001f to 9001f
>  > mgr <- dbDriver("MySQL")
>  > con <- dbConnect(mgr, host="localhost",
dbname="marketing")
> 
> upon which R dies...
-- 
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

On Thu, 15 May 2003 00:27:26 +0200, you wrote:
>
>Dear All,
>
>I haven't seen any further comments about the problem that John Marsland
>first noted and that I also have:
>
> > library(DBI)
> > library(RMySQL)
>Warning message:
>DLL attempted to change FPU control word from 8001f to 9001f
It's a bad idea to ignore warnings!  This says that there's a problem
with the DLL that RMySQL is loading.  It is attempting to change the
rounding behaviour, and R is fighting back.  I don't know if that
would cause the error below, but it's a possibility.
> > mgr <- dbDriver("MySQL")
> > con <- dbConnect(mgr, host="localhost",
dbname="marketing")
>
>upon which R dies...
>
>Dr. Mingw says:
>
>Rgui.exe caused an Access Violation at location 77c13730 in module 
>msvcrt.dll Reading from location 00000000.
>
>Registers:
>eax=10e501a0 ebx=00000000 ecx=00000000 edx=10e51fe0 esi=00000000
edi=003e3d08
>eip=77c13730 esp=0022d5ac ebp=0022d7f8 iopl=0         nv up ei pl zr na po
nc
>cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000            
efl=00000246
>
>Call stack:
>77C13730  msvcrt.dll:77C13730  strlen
>004C799D  R.dll:004C799D  do_dotcall
 ...

I've cc'd this to the RMySQL maintainer David James; David J, if you
don't know what I'm talking about regarding rounding, I'd be happy
to
expand on it.

Duncan Murdoch