[RQt-devel] Crash with qrepl()

[Justin Talbot]

On Wed, Dec 2, 2009 at 6:25 AM, Deepayan Sarkar
<deepayan.sarkar at gmail.com> wrote:
> On Wed, Dec 2, 2009 at 7:02 PM, Michael Lawrence <lawremi at gmail.com> wrote:
>>
>>
>> On Tue, Dec 1, 2009 at 9:51 PM, Ben Goodrich <bgokgm at googlemail.com> wrote:
>>>
>>> Hi,
>>>
>>> I just started looking into this project. I have an R package that
>>> currently does some GUI stuff with RGtk2, and in my development
>>> version I am switching to tcltk,
>>
>> Just wondering, why did you decide to move to tcltk?
>>
>>>
>>> but at some point down the line, I
>>> would like to use Qt.
>>>
>>>
>>> I found one crash with qrepl() that seems to be different from the
>>> crashes you have been discussing the last couple of days. If you just
>>> call qrepl(), input a line of R code into the widget, and press
>>> Control-Return to execute it, you get the crash below.
>>>
>>
>> I'll let Deepayan look into this first.
>
> Isn't happening for me. Can anyone else reproduce? Does this happen
> always, or just some of the time?
>
> P.S.: Ben, I had to manually approve your mail as you are a
> non-member. I've added you to the "approved senders" list, but also
> consider subscribing to the list.
>

I can't reproduce this crash.

>>
>>>
>>> Thanks,
>>> Ben Goodrich
>>>
>>> > library(qtutils); qrepl()
>>> Loading required package: qtbase
>>> Cannot handle Moc type 'qreal'
>>>
>>> >
>>>  *** caught segfault ***
>>> address 0x4, cause 'memory not mapped'
>>>
>>> Traceback:
>>>  1: .Call(qt_qenums, x)
>>>  2: qenums(cl)
>>>  3: qsmokeClass(lib, className)
>>>  4: function () {    class <- qsmokeClass(lib, className)    rm(list =
>>> className, envir = lib)    assign(className, class, lib)
>>> lockBinding(className, lib)    class}()
>>>  5: qinvoke(<environment>, "moveCursor", ...)
>>>  6: outed$moveCursor(Qt$QTextCursor$End)
>>>  7: executeCode(ined1$plainText, mode = "input")
>>>  8: function (checked) {    executeCode(ined1$plainText, mode =
>>> "input")}()
>>>
>>> Possible actions:
>>> 1: abort (with core dump, if enabled)
>>> 2: normal R exit
>>> 3: exit R without saving workspace
>>> 4: exit R saving workspace
>>> _______________________________________________
>>> Qtinterfaces-devel mailing list
>>> Qtinterfaces-devel at lists.r-forge.r-project.org
>>>
>>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/qtinterfaces-devel
>>
>>
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