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Date:	Wed, 3 Mar 2021 14:55:35 +0300
From:	Andrey Repin <anrdaemon AT yandex DOT ru>
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Greetings, KAVALAGIOS Panagiotis (EEAS-EXT)!

>> All postinstall steps failed because of BLODA or installation path:
>> 
>> 2021/02/09 17:48:06 running: C:\Program Files\Cygwin\bin\dash.exe
>> "/etc/postinstall/0p_000_autorebase.dash"
>>        0 [main] dash (2296) shared_info::initialize: size of shared memory region
>> changed from 49080 to 40888
>> 2021/02/09 17:48:20 abnormal exit: exit code=-1073741819 ...
>> 
>> Installing under Program\ Files causes issues because of space in path names
>> and BLODA-like AV protections on those paths.

> The installation is performed by powershell script that runs with the super
> admin (system user/nt authority) from local repository that normally
> bypasses all those kind of AV restrictions. I start it from the Cygwin icon
> that runs mintty under the hood. I don't know who took those 8KB from the
> script's shared memory, but indeed it looks like a BLODA interference. I
> will ask the package to be re-installed.

In such (administrative install) case, the Cygwin user directories should be
redirected, f.e. to the user's profile, IMO.
See nsswitch.conf for examples and possible options of such redirection.

> We are running Cygwin from "C:\Program Files" for years without issue.

Coincidence, I'm sure.

> A space in the directory name is a very supported character for Unix and
> Unix-like systems as well.

Except script writers rarely account for that. Unfortunately.


-- 
With best regards,
Andrey Repin
Wednesday, March 3, 2021 14:52:49

Sorry for my terrible english...

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