Re: [Rd] Unexpected source() behavior in R-devel

From: Sean Davis <sdavis2_at_mail.nih.gov>
Date: Tue 05 Sep 2006 - 03:05:42 GMT

Seth Falcon wrote:
> Sean Davis <sdavis2@mail.nih.gov> writes:
>

>> Seth Falcon wrote:
>>     
>>> Peter Dalgaard <p.dalgaard@biostat.ku.dk> writes:
>>>
>>>   
>>>       
>>>> "Henrik Bengtsson" <hb@stat.berkeley.edu> writes:
>>>>
>>>>     
>>>>         
>>>>> This has been reported before on r-devel, e.g. May 9, 2006 "[Rd] Seg
>>>>> fault when installing package from bad repository".
>>>>>
>>>>> It's happening on Mac OSX when trying to download non-existing
>>>>> webpages (HTTP status 404). That's all I know (not using OSX myself).
>>>>>       
>>>>>           
>>>> It is not entirely obvious that it is the same problem, but it might be.
>>>>
>>>> This happened to me on Linux (2.3.1 on FC5), but it has only happened
>>>> that one time. I don't think I did anything particularly strange
>>>> earlier in that session.
>>>>
>>>> Of course, with 20/20 hindsight, I should have taken the core dump
>>>> option...
>>>>     
>>>>         
>>> I'm pretty sure this is the same issue and one that has been fixed in
>>> R-devel.
>>>
>>>     r38716 | ripley | 2006-07-30 00:19:35 -0700 (Sun, 30 Jul 2006) | 1 line
>>>     Changed paths:
>>>        M /trunk/src/modules/internet/internet.c
>>>         crash workaround from Seth Falcon
>>>
>>>
>>> Sean: can you try just download.file with a URL that gives 404?  Are
>>> you running an R version prior to the above commit?
>>>   
>>>       
>> Seth,
>>
>> As Peter pointed out, this looks like a simple server-side issue.
>> Here is the sessionInfo() from my original post.  And below is the
>> output of two versions of download.file.
>>     
>

> Yes, there is an issue with the BioC website (investigating) and I
> didn't mean to imply otherwise. For now, as you discovered, use
> http://www.bioconductor.org (note the 'www').
>

> I only responded here because of the segfault you reported which most
> certainly is not a simple server-side issue :-)
>

> Did you see the segfault with a recent R or an older one? If more
> recent, then it might be worth trying to reproduce and tracking down
> the bug.
>
Seth,

Peter was the person who reported the segmentation fault, not I. I didn't experience that behavior. And it sounds like Peter wasn't able to reproduce it, so I'm not sure there is any bug here to be fixed.

Sean



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https://stat.ethz.ch/mailman/listinfo/r-devel Received on Tue Sep 05 01:11:06 2006

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