2008/5/10 Andrew Dalke <[EMAIL PROTECTED]>:
> On May 7, 2008, at 1:02 AM, Andrew Dalke wrote:
>> I've been having a lot of problems with intermittent crashes while
>> using RPy under a rather old Python 2.4.2 install, with no Numeric
>> support whatsoever. This is all under Linux.
>
>
>> *** caught segfault ***
>> address 0x34b100, cause 'memory not mapped'
>>
>> Possible actions:
>> 1: abort (with core dump, if enabled)
>> 2: normal R exit
> ..
>
> I still haven't tracked it down. There are a lot of possibilities
> because there are so many components to the system, and it's hard
> without a reproducible.
I understand that it is not exactly simple to track down.
>From my experience with working on V2 for RPy, there is likely an R object
>being
garbage collected while still exposed to Python (not of much help, I suppose).
> What I would like to know is, is there a way to disable R's
> insistence on overriding the signal table? If there's a segfault
> then I would like to get an automatic core dump, and not some sort of
> interactive prompt. And how does it work if I've started the job on
> some cluster machine without any terminal hooked up to it?
>
I have spotted the following option for the "./configure" step with R-2.7
(I can't remember if it was there earlier), but I do not know the
details of what it does:
--with-valgrind-instrumentation
Level of additional instrumentation for Valgrind
(0/1/2) [0]
> Andrew
> [EMAIL PROTECTED]
>
>
>
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