[Vm-dev] (no subject)

[Bert Freudenberg]

The crash *only* happens when the message is inside a block, and in the
debugger the second context is selected. In the pre-debug window it works
fine, if any other context is selected it's fine, and without the block
it's fine, too.

- Bert -

On Tue, Mar 21, 2017 at 1:35 PM, Hernan Wilkinson <
hernan.wilkinson at 10pines.com> wrote:

>
> Hi Bert! thank you for trying it with Squeak.
> Eliot, I'm attaching a squeak change set you can file in that shows the
> create button on the debugger and therefore you will be able to reproduce
> the same sequence on Squeak.
> I hope this help!
>
> Hernan.
> PS: Sorry for the subject, I forgot to write it in the first email :-)
>
>
> On Tue, Mar 21, 2017 at 8:47 AM, Bert Freudenberg <bert at freudenbergs.de>
> wrote:
>
>>
>> My Squeak crashes doing this, both in 32 and 64 bits, in
>> primitiveSlotAt/mustMapMachineCodePCcontext.
>>
>> In step 4 of Hernan's instructions I executed "self createMethod" in an
>> inspector on the debugger (because we don't have the "create" button
>> anymore in Squeak apparently).
>>
>> Here's the 64 bit crash:
>>
>> 4   libsystem_platform.dylib       0x00007fff8615552a _sigtramp + 26
>> 5   ???                           000000000000000000 0 + 0
>> 6   org.squeak.Squeak$(VM_MONIKER) 0x000000010c7d0b01
>> mustMapMachineCodePCcontext + 343
>> 7   org.squeak.Squeak$(VM_MONIKER) 0x000000010c7fdc7f primitiveSlotAt +
>> 582
>> 8   ???                           0x000000011278015e 0 + 4604821854
>> 9   org.squeak.Squeak$(VM_MONIKER) 0x000000010c7c0891 interpret + 631
>>
>> And this is the 32 bit one:
>>
>> 4   libsystem_platform.dylib       0x9028579b _sigtramp + 43
>> 5   ???                           0xffffffff 0 + 4294967295
>> 6   org.squeak.Squeak$(VM_MONIKER) 0x00088e70 getCrashDumpFilenameInto +
>> 82
>> 7   org.squeak.Squeak$(VM_MONIKER) 0x00024f76
>> mustMapMachineCodePCcontext + 300
>> 8   org.squeak.Squeak$(VM_MONIKER) 0x00027396 externalInstVarofContext +
>> 97
>> 9   org.squeak.Squeak$(VM_MONIKER) 0x0004fa0e primitiveSlotAt + 505
>> 10  org.squeak.Squeak$(VM_MONIKER) 0x00028461 executeNewMethod + 145
>> 11  org.squeak.Squeak$(VM_MONIKER) 0x00029218 ceSendsupertonumArgs + 885
>> 12  ???                           0x04fdb0a3 0 + 83734691
>> 13  org.squeak.Squeak$(VM_MONIKER) 0x00016393 interpret + 751
>>
>>
>> - Bert -
>>
>> On Mon, Mar 20, 2017 at 10:45 PM, Eliot Miranda <eliot.miranda at gmail.com>
>> wrote:
>>
>>>
>>> Hi Hernan,
>>>
>>>     I just tried to reproduce in Squeak and there it does not crash.  So
>>> perhaps there's some preparation necessary that Cuis does not do?  I don't
>>> have time to look at the Cuis image right now.  Perhaps remind me early
>>> next week?
>>>
>>> On Mon, Mar 20, 2017 at 6:29 AM, Hernan Wilkinson <
>>> hernan.wilkinson at gmail.com> wrote:
>>>
>>>>
>>>> Hi,
>>>>  I wanted to report a crash of the Mac Spur VM (32 and 64 bits) when
>>>> doing the following on the Cuis 5.0, version 3064 image:
>>>>
>>>> 1) On a workspace write: [ 1 xxx ] value
>>>> 2) evaluate it
>>>> 3) when the debuggers opens, select the second context from the context
>>>> debugger's list (that is, the context previous the top one, where the [ 1
>>>> xxx ] is)
>>>> 4) press the "Create" button to create the method
>>>> 5) select Integer
>>>> 6) select "as yet unclassified"
>>>> 7) here is where it crashes
>>>>
>>>> It happens on the 64 and 32 bits VMs for the MAC (I did not try it with
>>>> Linux neither Windows)
>>>> I'm using Cuis5.0-3064-spur-64.image and Cuis5.0-3064-spur.image (32
>>>> bits) (The latest version of Cuis solves this problem selecting
>>>> automatically the top of the context list when creating the method)
>>>> The same sequence on a stack VM shows the "emergency evaluator" and
>>>> does not crashes
>>>> Attached is the dump of the 64 bits VM.
>>>>
>>>> Hernan.
>>>>
>>>>
>>>> --
>>>>
>>>> *Hernán WilkinsonAgile Software Development, Teaching & Coaching*
>>>> *Phone: +54 - 011 - *6091 - 3125
>>>>
>>>>
>>>> *Mobile: +54 - 911 - 4470 - 7207email:
>>>> hernan.wilkinson at 10Pines.comsite: http://www.10Pines.com
>>>> <http://www.10pines.com/>*
>>>> Address: Alem 693, Floor 5 B, Buenos Aires, Argentina
>>>>
>>>>
>>>
>>>
>>> --
>>> _,,,^..^,,,_
>>> best, Eliot
>>>
>>>
>>
>>
>
>
> --
>
> *Hernán WilkinsonAgile Software Development, Teaching & Coaching*
> *Phone: +54-011*-4893-2057
> *Twitter: @HernanWilkinson*
> *site: http://www.10Pines.com <http://www.10pines.com/>*
> Address: Alem 896, Floor 6, Buenos Aires, Argentina
>
>
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