[Openmcl-devel] Crash on x64 ccl when loading weblocks

Ralph Moritz ralmoritz at gmail.com
Fri Dec 3 08:01:23 UTC 2010


It seems what I need to do is rebuild the CCL kernel as described in
http://trac.clozure.com/ccl/wiki/WindowsNotes, editing the Makefile to
enable debugging symbols. Then I'll be able to track down the errant
function, but first I have to download the 64-bit version of Cygwin.

<rant>What a lot of work! IMHO CCL should include copies of the executables
built with debugging symbols so that we can just run gdb instead of having
to download Cygwin & rebuild everything.</rant>

On 3 December 2010 09:39, Ralph Moritz <ralmoritz at gmail.com> wrote:

> I followed the instructions in
> http://trac.clozure.com/ccl/wiki/CclUnderGdb & adapted them for Visual
> Studio. %rip is inside ntdll.dll (Windows kernel functions).
>
> The stacktrace is as follows:
>
>     ntdll.dll!0000000077c01da0()
>     msvcrt.dll!000007feff5010c4()
>     wx86cl64.exe!000000000002b3ca()
>
> Would this indicate that code within CCL is calling a Windows function
> incorrectly?
>
> Regards,
> Ralph
>
>
> On 1 December 2010 22:44, Gary Byers <gb at clozure.com> wrote:
>
>> All that we can really tell from that paste is that some sort of
>> exception (illegal memory reference, illegal instruction, ...)
>> occurred while executing foreign (C) code.  I can tell (by the
>> value of %rip in the register display) that the foreign code
>> isn't in CCL's kernel, but I have no idea what shared library
>> it is in.
>>
>> My recollection is that someone on the #ccl IRC channel ran into this
>> (or something very similar) a few weeks ago and that they eventually
>> resolved the problem by upgrading to the 1.6 release candidate (see
>> <http://trac.clozure.com/ccl/wiki/ReleaseNotes/1.6>, and note that
>> those release notes mention the fact that older versions of CL-FAD
>> define a conflicting version of the function CCL:DELETE-DIRECTORY.
>> Loading older versions of CL-FAD in 1.6 will CERROR when reporting
>> this conflict; it's possible to safely continue at that point.
>>
>> On Wed, 1 Dec 2010, Ralph Moritz wrote:
>>
>>  Hi everyone,
>>>
>>> I know this might be regarded as OT but someone suggested this might
>>> be a Clozure CL bug & that I should post it here.
>>>
>>> Anyway, a paste is worth a 1,000 words:
>>> http://paste.lisp.org/display/117085#1
>>>
>>> TIA,
>>> Ralph
>>>
>>>
>>> _______________________________________________
>>> Openmcl-devel mailing list
>>> Openmcl-devel at clozure.com
>>> http://clozure.com/mailman/listinfo/openmcl-devel
>>>
>>>
>>>
>
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