[M3devel] crashes everywhere

[Tony Hosking]

On Aug 22, 2007, at 11:39 AM, Dragiša Durić wrote:

> It is not... It was a bug I've explained in my replly to message you
> replied to...

Are you saying that fixing the bug made the crash go away?

> My code triggers it, but I suppose there is problem with
> CheckStoreTraced tracing through REF to C structure... Compiler did  
> not
> complain, ot it did not generate correct info about "untracedness" of
> "REF to C structure"... I've fixed my code, but I do not think this  
> (my
> message you replied show it) is correct way for CM3 to react to bug in
> code logic.

I agree that it would be nice for cm3 to give a warning or error when  
using REF to C structs, but I need to know how you declared the type  
to understand what can be checked statically.  The alternative is to  
have CheckStoreTraced complain if it is passed a ref that is not a  
true heap referent.  Can you tell me how you declared things  
originally?  Was it declared that way in UNSAFE code?

> dd
>
> On Wed, 2007-08-22 at 11:31 -0400, Tony Hosking wrote:
>> I can't speak for m3gdb, but something seems seriously wrong with
>> your installation.  What program is causing this crash?  Please also
>> tell me the version number of ThreadPThread.m3.  The most recent
>> version is 1.48 of 2007-08-20.
>>
>> On Aug 22, 2007, at 5:44 AM, Dragiša Durić wrote:
>>
>>> ***
>>> *** runtime error:
>>> ***    An array subscript was out of range.
>>> ***    file "../src/runtime/common/RTCollector.m3", line 2316
>>> ***
>>>
>>> m3gdb, on setting lang to Modula-3 (capital M) ant bt, gives this:
>>>
>>> (m3gdb) bt
>>> #0  0x00d54402 in ?? ()
>>> #1  0x430c7ba0 in raise () from /lib/libc.so.6
>>> #2  0x430c94b1 in abort () from /lib/libc.so.6
>>> #3  0x00eaf2ff in Crash () at RTOS.m3:20
>>> #4  0x00ea1624 in Crash (msg=NIL) at RTProcess.m3:65
>>> #5  0x00e9ed85 in EndError (crash=TRUE) at RTError.m3:115
>>> #6  0x00e9ea3a in MsgS (file=16_00ed7368, line=2316,  
>>> msgA=16_00ed8ee8,
>>> msgB=16_00ed3530, msgC=16_00ed8ee8) at RTError.m3:40
>>> #7  0x00e9f212 in Crash (a=
>>> ../../gdb/gdb/m3-util.c:1057: internal-error: note_is_cm3: Assertion
>>> `compiler_kind != ck_pm3' failed.
>>> A problem internal to GDB has been detected,
>>> further debugging may prove unreliable.
>>>
>>> I am using cvshead cm3, as of few days ago.
>>> -- 
>>> Dragiša Durić <dragisha at m3w.org>
>>
> -- 
> Dragiša Durić <dragisha at m3w.org>