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Subject:	Re: guile: guild compile hangs
To:	cygwin AT cygwin DOT com
References:	<5fbbdcd3-da19-5962-f390-f1a988054d77 AT cygwin DOT com> <ee48b04d-a57e-8932-1bd2-1b0b516c2ede AT cygwin DOT com> <b1eb3b99-f979-1ecd-bf17-85c2faf0e03c AT gmail DOT com> <9fb62c4a-cf74-791d-2579-916b9870523a AT gmail DOT com> <26e771b6-2cbc-a06d-2d96-fa2c7ab4f75f AT gmail DOT com> <613e0625-aa15-9f32-9959-dd2e7e0c3c11 AT t-online DOT de> <cfd66c44-9740-4008-7d27-5c848a4e71da AT gmail DOT com> <9a0f7b2b-3516-fd56-2285-51125e88679e AT t-online DOT de>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<d48f8126-090d-2433-7cfe-4121afbab78d@gmail.com>
Date:	Wed, 28 Jun 2017 21:45:27 +0200
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On 28/06/2017 21:18, Hans-Bernhard Bröker wrote:
> Am 28.06.2017 um 13:58 schrieb Marco Atzeri:
>> On 28/06/2017 01:32, Hans-Bernhard Bröker wrote:
>
>>> FWIW, it also hangs when trying to build gdb from GIT sources (in the
>>> gdb/data-directory folder).
>
>>> I see it with "current" of Cygwin, i.e. 2.0.  The last time it worked
>>> was May 20th, apparently.  The first big install after that date, here,
>>> was the big round of Python updae on May 27th.
>
>> potential candidates are:
>> - libgmp
>> - libiconv
>> - libintl
>> - libltdl
>> - libunistring
>> - libgc
>> and cygwin itself
>
> The closest of these in terms of update time relative to the date this
> started to fail for me would be libgc-7.6.0-1 update I installed on May
> 12th.  gdb-ing into the stuck guile process shows about multiple threads
> in a waiting state:
>
> (gdb) info thr
>   Id   Target Id         Frame
>   7    Thread 17376.0x4188 0x00007ffd1add8d71 in ntdll!DbgBreakPoint ()
> from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>   6    Thread 17376.0x2bc0 0x00007ffd1add5f04 in
> ntdll!ZwWaitForMultipleObjects () from
> /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
> * 5    Thread 17376.0x356c 0x00007ffd1add5f04 in
> ntdll!ZwWaitForMultipleObjects () from
> /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>   4    Thread 17376.0x1754 0x00007ffd1add5f04 in
> ntdll!ZwWaitForMultipleObjects () from
> /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>   3    Thread 17376.0x868 0x00007ffd1add5f04 in
> ntdll!ZwWaitForMultipleObjects () from
> /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>   2    Thread 17376.0x2f3c 0x00007ffd1add5474 in ntdll!ZwReadFile ()
> from /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>   1    Thread 17376.0x3040 0x00007ffd1add5f04 in
> ntdll!ZwWaitForMultipleObjects () from
> /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll
>
> and several of those waits do originate in cyggc-1.dll.
>

reverting to

libgc-devel                             7.2d-2                       OK
libgc1                                  7.2d-2                       OK

seems to unblock guile.

Regards
Marco




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