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Message-ID:	<8a54c794-a0c9-4878-ba2f-f56259a2ecec@seznam.cz>
Date:	Tue, 10 Feb 2026 19:08:47 +0100
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Subject:	Re: python3.12 'StringIOTree.cpython-312-x86_64-cygwin.dll'
	(0x6C0000) is already occupied
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From:	Libor Ukropec via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Libor Ukropec <ace AT seznam DOT cz>
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Dne 08.02.2026 v 0:32 Libor Ukropec via Cygwin napsal(a):
>> Processing /home/libor/cyg-port/duplicity/duplicity-3.0.7-2.x86_64/build
>>    Preparing metadata (pyproject.toml): started
>>        0 [main] python3.12 5948 child_info_fork::abort: address space needed by 
>> 'StringIOTree.cpython-312-x86_64-cygwin.dll' (0x6C0000) is already occupied

I'll reply to myself:

In this thread the same issue: [Cygwin 3.7.0 HEAD, posix_spawn() failures on Win10?]

The recommendation to execute

 > In dash shell window:
 > $ rebase-trigger full
 > $ setup.exe

helped. Please check the thread for more details and warnings, like
 > Do not use rebaseall unless you really know what you are doing.

Libor

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