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From: Denis Excoffier <cygwin AT Denis-Excoffier DOT org>
In-Reply-To: <20120525152657.GA26370@calimero.vinschen.de>
Date: Fri, 25 May 2012 21:44:04 +0200
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On 2012-05-25 17:26, Corinna Vinschen wrote:
> On May 25 16:52, Corinna Vinschen wrote:
>> On May 25 15:18, Denis Excoffier wrote:
>>> On Fri, May 25, 2012 at 02:54:14PM +0200, Corinna Vinschen wrote:
>>>>> On May 25 14:17, Denis Excoffier wrote:
>>>>>>   97    6945 [main] date 3440 pinfo::thisproc: myself dwProcessId 3440
>>>>>>   76    7021 [main] date 3440 time: 1337945628 = time(0)
>>>>>> --- Process 3440, exception C0000005 at 610DDC3C
>>>>>> 1343    8364 [main] date 3440 exception::handle: In cygwin_except_handler exception 0xC0000005 at 0x610DDC3C sp 0x2127F0
>>>>>>   92    8456 [main] date 3440 exception::handle: In cygwin_except_handler signal 11 at 0x610DDC3C
>>>>>>   86    8542 [main] date 3440 exception::handle: In cygwin_except_handler calling 0x0
>>>>>>  320    8862 [main] date 3440 D:\Home\dexcoff1\dexcoff1\cyg12e\bin\date.exe: *** fatal error - internal error reading the windows environment - too many environment variables?
>>>>> 
>>>>> Grr.  The fault handler covers the actual problem.  I'm going to send
>>>>> you the URL to a test DLL in a minute via PM, if you don't mind.  It has
>>>>> the fault handler removed, so instead of the "internal error reading the
>>>>> windows environment" error you should see a "real" SEGV, and the crash
>>>>> should hopefully produce a more valid stacktrace.  That's what I'd be
>>>>> interested in.
>>> 
>>> Here are the results:
>>> 
>>> % /usr/bin/strace -o date.trace2 /usr/bin/date
>>>   8972 [main] date 716 exception::handle: Exception: STATUS_ACCESS_VIOLATION
>>>  10607 [main] date 716 open_stackdumpfile: Dumping stack trace to date.exe.stackdump
>>> % cat date.exe.stackdump
>>> Exception: STATUS_ACCESS_VIOLATION at eip=610E4BB1
>>> eax=000E000C ebx=611FDA9A ecx=00000020 edx=0022AAC4 esi=60FD0000 edi=61006582
>>> ebp=00212978 esp=002128F0 program=D:\Home\dexcoff1\dexcoff1\cyg12e\bin\date.exe, pid 716, thread main
>>> cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
>>> Stack trace:
>>> Frame     Function  Args
>>> 00212978  610E4BB1  (00222A91, 611F7FCF, 0022AAC4, 002229F0)
>>> 00222A28  610E9092  (611AEA40, 00222A50, 611F8280, 611F7FB8)
>>> 0022AA68  610E9270  (611AEA40, 00000040, 611F8280, 611F7FB8)
>>> 0022AAA8  610E9421  (611AEA40, 00000040, 611F8280, 611F7FB8)
>>> 0022AB08  610C7090  (0022ABE0, 0000074C, 00020019, 0022AB54)
>>> 0022AB38  610C6E5A  (0022ABE0, 0000074C, 00020019, 611F7FA6)
>> 
>> Bzz.  Thank you.  One of the debug output statements was broken.
>> A struct was given to the debug_printf function by value, but the
>> function expects a pointer.  Should be fixed now in CVS.
> 
> I just uploaded a new snapshot.

The new snapshot (20120525 17:01:08) ressuscitates strace. Thank you.

This probably means that during all these months, all users of strace
were Administrators...

Regards,

Denis Excoffier.


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