On Sep 23, 2008, at 0:20 , John Maindonald wrote:
Has anyone been able to get packages that rely on Gtk2 to run under
Leopard?
Yes, I see no problem with Gtk2.
I have experimented with the playwith package, as depending on a
small number of packages additional to Gtk2. I can pretty
consistently generate a bus error by attaching playwith, then
printing a lattice object. Note that I have not run any functions
from the playwith package.
The same may happen if I attach all the packages on which playwith
depends (but not playwith itself), but the bus error does not appear
with the same consistency.
The problem appears to be in Michael's carioDevice, it crashes because
its cairo context is NULL. I suspect it may not have a good error
handling. I'm not sure what causes the problem, you may try to contact
Michael. Neither the built-in R cairo device nor the Cairo package
have any problems, so I don't think it's a problem on the cairo side...
Cheers,
Simon
Here is a transcript on a session:
[Previously saved workspace restored]
> options(STERM='iESS', editor='emacsclient')
> library(lattice)
> library(playwith)
Loading required package: latticeExtra
Loading required package: RColorBrewer
Loading required package: grid
Loading required package: gWidgets
Loading required package: gWidgetsRGtk2
Loading required package: RGtk2
Loading required package: cairoDevice
> sessionInfo()
R version 2.7.2 (2008-08-25)
i386-apple-darwin8.11.1
locale:
C
attached base packages:
[1] grid stats graphics grDevices utils datasets
methods
[8] base
other attached packages:
[1] playwith_0.9-11 cairoDevice_2.8 gWidgetsRGtk2_0.0-36
[4] RGtk2_2.12.5-3 gWidgets_0.0-28 latticeExtra_0.5-1
[7] RColorBrewer_1.0-2 lattice_0.17-13
loaded via a namespace (and not attached):
[1] gridBase_0.4-3 tools_2.7.2
Warning message:
'DESCRIPTION' file has 'Encoding' field and re-encoding is not
possible
> gph <- xyplot(weight ~ height, data=women)
> print(gph)
*** caught bus error ***
address 0xa8, cause 'non-existent physical address'
Traceback:
1: .Call(L_newpage)
2: grid.newpage()
3: printFunction(x, ...)
4: print.trellis(gph)
5: print(gph)
Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace
Selection: 1
aborting ...
Process R bus error at Tue Sep 23 14:01:23 2008
John Maindonald email: [EMAIL PROTECTED]
phone : +61 2 (6125)3473 fax : +61 2(6125)5549
Centre for Mathematics & Its Applications, Room 1194,
John Dedman Mathematical Sciences Building (Building 27)
Australian National University, Canberra ACT 0200.
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