[Rd] [R] "Error: bad value" problem
murdoch at stats.uwo.ca
Thu Dec 18 03:47:39 CET 2008
On 17/12/2008 8:56 PM, Peter Dalgaard wrote:
> Ben Bolker wrote:
>> I can get the errors to happen on Ubuntu 8.10 with R --vanilla (*without*
>> valgrind) -- but
>> editing momfit.r line 742 so that plot.progress=FALSE seems to make the
>> problem go away. (This was a lucky guess, it looked like there was
>> odd going on with the plots.)
>> Hope that helps someone ...
> Probably not. The problem is to reproduce the error state in a way so
> that we can understand what is causing it.
> I can debug this to
> (gdb) bt
> #0 Rf_error (format=0x8220c65 "bad value") at
> #1 0x0805a924 in SETCDR (x=0x8f89348, y=0x9b276e8)
> at ../../../R/src/main/memory.c:2728
> #2 0x0819fa46 in GrowList (l=0x951e8f4, s=<value optimized out>) at
> #3 0x081a2a7b in xxvalue (v=0x8f89348, k=4, lloc=<value optimized out>)
> at gram.y:440
> and the problem in GrowList is that CAR(l) is R_NilValue (==0x8f89348),
> which supposedly "cannot happen", and the thing that calls GrowList is
> something with srcrefs (DuncanM?).
> Digging deeper probably has to wait till the weekend for my part. (The
> natural next step is figuring out how the R_NilValue got into that
> location, but I should try to sleep off this cold....)
> I'm CCing r-devel on this. Can we move the discussion there?
I can probably take a look tomorrow. I wasn't getting an error, but
maybe I'll see the same corruption if I watch it run.
>> Ben Bolker
>> R version 2.8.0 (2008-10-20)
>> attached base packages:
>>  stats graphics grDevices utils datasets methods base
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