[M3devel] Juno/win32threads

Tony Hosking hosking at cs.purdue.edu
Mon Sep 21 15:53:56 CEST 2009


OK, I've lost track, since we've been discussing two different things:  
the problems with pthreads which I just fixed, and the Windows  
threading problem.  What is the time-frame that I should be looking at  
for that problem?

On 21 Sep 2009, at 00:14, jay.krell at cornell.edu wrote:

> Eh? Tony, the thread changes from around feb 20 that you recently  
> 'unmerged'? These crashes seem to date from around Feb, more precise  
> info in my other mails..
>
>  - Jay (phone)
>
> On Sep 20, 2009, at 7:04 PM, Tony Hosking <hosking at cs.purdue.edu>  
> wrote:
>
>> I don't think anything I changed affects Windows.
>>
>> On 19 Sep 2009, at 23:24, Jay K wrote:
>>
>>> Tony, the behavior still seems the same.
>>>
>>> (a74.f50): Access violation - code c0000005 (first chance)
>>> First chance exceptions are reported before any exception handling.
>>> This exception may be expected and handled.
>>> eax=00000000 ebx=00000000 ecx=7ffdf000 edx=00e29620 esi=0128872c  
>>> edi=00200000
>>> eip=005eb75d esp=0012f940 ebp=0012f95c iopl=0         nv up ei pl  
>>> zr na pe nc
>>> cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000              
>>> efl=00010246
>>> m3core!Thread__Join+0x14b:
>>> 005eb75d 8b5ffc          mov     ebx,dword ptr [edi-4] ds: 
>>> 0023:001ffffc=????????
>>> 0:000>
>>> 0:000> r edi
>>> edi=00200000
>>>
>>>
>>> Can you maybe debug this on birch?
>>>
>>> I can e.g. put debuggers at \bin\x86\cdb
>>>  (just install them locally which involves some GUI, then tar/gz  
>>> them up and untar/gz..you don't need the installer to run, can  
>>> just copy them around)
>>> and then you can like:
>>>
>>> ssh hudson at birch.elegosoft.com
>>> ssh elego at localhost2
>>> /cygdrive/c/bin/x86/cdb ./Juno.exe
>>>
>>> Just be sure not to run Juno outside of a debugger..not sure what  
>>> will happen, but you won't be able to see it.
>>>
>>> Or, feel free to commit some version that uses RTIO a bunch and I  
>>> can send you the output.
>>> Slow turnaround that way.
>>> Clearly nobody is using any of this stuff..
>>>
>>>  - Jay
>>>
>>

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