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Date: Wed, 11 Feb 2026 17:10:47 +0300
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To: Libor Ukropec <ace AT seznam DOT cz>, cygwin AT cygwin DOT com
Subject: Re: Cygwin 3.7.0 HEAD, posix_spawn() failures on Win10?
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Greetings, Libor Ukropec!

> Dne 10.02.2026 v 17:27 Andrey Repin via Cygwin napsal(a):
>> Greetings, Brian Inglis via Cygwin!
>> >> In dash shell window:
>> >> $ rebase-trigger full
>>> $ rebaseall
>> > - rebaseall
>> + setup.exe
>> > rebase-trigger causes next setup to run rebase in specified mode.
>> 
> Andrey, Brian, Lionel,

> I confirm, your advice helped me with basically the same issue in
> [python3.12 'StringIOTree.cpython-312-x86_64-cygwin.dll' (0x6C0000) is already occupied] thread.

Pro tip: keep your Cygwin installation to a usable minimum of packages.
The less you have, the easier it is for Cygwin to manage address space.


-- 
With best regards,
Andrey Repin
Wednesday, February 11, 2026 17:09:49

Sorry for my terrible english...


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