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Date: Mon, 2 Jan 2023 14:38:03 +0900
To: cygwin AT cygwin DOT com
Subject: Re: Cygwin 3.4.3 and 3.5.0... hangs in make, top, procps, ls
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From: Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Mon, 2 Jan 2023 11:32:01 +0900
Takashi Yano wrote:
> On Sat, 31 Dec 2022 13:01:29 -0700
> Brian Inglis wrote:
> > was also getting the messages below locally and still on GitHub scallywag:
> > 
> > 	cygcheck (6936) child_copy: cygheap read copy failed,
> > 
> > ../curl/scallywag/1_x86_64  build.log:2022-12-26T00:39:35.6163236Z       0 
> > [main] cygcheck (6936) child_copy: cygheap read copy failed, 0x0..0x80003B5F0, 
> > done 0, windows pid 6936, Win32 error 299
> > ../curl/scallywag/1_x86_64  build.log:2022-12-26T00:48:03.4525278Z       0 
> > [main] cygcheck (568) child_copy: cygheap read copy failed, 0x0..0x80003BA48, 
> > done 0, windows pid 568, Win32 error 299
> > ../dialog/scallywag/1_x86_64  build.log:2022-12-31T18:42:37.0939902Z       0 
> > [main] cygcheck (6992) child_copy: cygheap read copy failed, 0x0..0x80003CB38, 
> > done 0, windows pid 6992, Win32 error 299
> 
> I guess this is another problem.

I found this issue occurs after the commit 30add3e6b3e3:
"Cygwin: exec: don't access cygheap before it's initialized"
.

Reverting this commit solves the issue.

To reproduce the problem relatively frequently, try:
while true; do cygcheck -cd cygwin > /dev/null; done
in bash.

Corinna, could you please have a look at this issue as well?

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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