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Date: Tue, 05 Nov 2019 14:24:06 -0500
To: cygwin AT cygwin DOT com
From: "Michael D. Lawler" <mdlawler AT lawlers DOT us>
Subject: Re: Cygwin 3.1.x fails if I have the use legacy console box   checked in Windows 10
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It looks like the changes between 3/27 and 3/31 were to support 
24-bit color in the normal console in 1703 or later and to fake the 
support for legacy console.  I can't currently compile anything, but 
I'm guessing that something went wrong with that change for legacy 
console.  The other changes seem less likely to cause the problem 
based on reading the diff.

At 10:34 PM 11/4/2019, you wrote:
>I'm using Win 10 1903 build 18362.449 and if I check the use legacy 
>console box under properties options in the console then I get the 
>following error with ssh built with cygwin.
>       0 [main] ssh 1942 C:\Program Files\OpenSSH\bin\ssh.exe: *** 
> fatal error - couldn't initialize fd 0 for /dev/cons0
>    5898 [main] ssh 1942 cygwin_exception::open_stackdumpfile: 
> Dumping stack trace to ssh.exe.stackdump
>
>
>Stack trace:
>Frame        Function    Args
>00000010000  00180060B7E (00180267ED8, 0018025A1B9, 000FFFFFFFF, 000FFFFBA50)
>00000010000  00180049249 (0018006CEBF, FFFFFFFFFFFFFFFF, 
>00000000000, 000FFFFCB00)
>00000010000  00180049282 (00000000000, 0018035FC20, 000FFFFFFFF, 000FFFFCB30)
>00000010000  0018005ABFC (000FFFFCC70, 00000000000, 001800D1BA2, 000FFFFCC70)
>00180342D08  0018005AD46 (00100464280, 00180221860, 
>FEFF552BFF677272, 00000000000)
>000FFFFCCD0  00180049A0C (00000000000, 00000000000, 00000000000, 00000000000)
>00000000000  00180048353 (00000000000, 00000000000, 00000000000, 00000000000)
>000FFFFFFF0  00180048404 (00000000000, 00000000000, 00000000000, 00000000000)
>End of stack trace
>
>
>If I use 3.07 this works.  Also if I use the March 27 2019 snapshot 
>it works, but if I use the March 31 2019 or later snapshot I get the 
>above error.  I couldn't find anything that said that Cygwin now 
>didn't support the legacy console thus I'm reporting this issue.
>
>--
>Michael D. Lawler
>email mailto:mdlawler AT lawlers DOT us
>
>
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-- 
Michael D. Lawler
email mailto:mdlawler AT lawlers DOT us


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