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Date: Fri, 27 May 2022 17:43:29 +0900
From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin@cygwin.com
Subject: Re: Unable to execute Cygwin application within UDF format
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On Fri, 27 May 2022 13:31:20 +0900
Takashi Yano wrote:
> On Fri, 27 May 2022 11:36:27 +0800
> Sam Lin wrote:
> > I will see the problem on WIN10 or WIN SERVER, the duplicate steps are as
> > follows:
> > 
> > 1. Write a simple code 'hello world'  program  and   compiled the
> > executable file using GCC.
> > 
> > //  hello.c
> > #include <stdio.h>
> > 
> > int main() {
> >     printf("Hello World\n");
> >     return 0;
> > }
> > 
> > $ gcc hello.c -o hello.exe
> > 
> > 2. Format the specified USB drive using command prompt.
> >   C:\> format <USB Drive Letter>: /fs:UDF /q
> > 
> > 3. Put the executable files hello.exe and cygwin1.dll into the UDF format
> > flash drive and execute.
> > We will find that the execution error occurs with cygwin v3.2.x and above.
> > 
> > F:\>hello.exe
> >       0 [main] hello (16224) F:\hello.exe: *** fatal error - add_item
> > ("\??", "/", ...) failed, errno 22
> > Stack trace:
> > Frame        Function    Args
> > 000FFFFCCE0  001800622EE (0018029F172, 0018027AE81, 00800000000,
> > 000FFFF8B40)
> > 000FFFFCCE0  0018004874A (00000000000, 000FFFFCCE0, 00180020010,
> > 000FFFFABD6)
> > 000FFFFCCE0  00180048782 (000FFFF9BD0, 00000000016, 00800000000,
> > 00000000001)
> > 000FFFFCCE0  001800E30BC (000FFFFCBD0, 000FFFFCDF0, 001800D7488,
> > 00000000000)
> > 000FFFFCCE0  00180133DC5 (001800D344A, 00000000000, 00000000000,
> > 00000000000)
> > 000FFFFCCE0  00180048DA5 (00000000000, 00000000000, 00000000000,
> > 00000000000)
> > 000FFFFFFF0  00180047856 (00000000000, 00000000000, 00000000000,
> > 00000000000)
> > 000FFFFFFF0  00180047904 (00000000000, 00000000000, 00000000000,
> > 00000000000)
> > End of stack trace
> > 
> > This error does not occur in v3.1.7.
> > Hope this will be resolved in the future.
> 
> This seems to happen if cygwin1.dll is placed in the root
> directly regardless of file system type.

I meant "root directory".

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>