On Tue, 21 Jan 2020 10:30:48 +0800
Koichi Murase wrote:
> 2020年1月20日(月) 15:17 Marco Atzeri:
> >
> > I can not replicate with latest snapshot
> >
> > $ uname -a
> > CYGWIN_NT-10.0 LAPTOP-82F08ILC 3.1.2s(0.340/5/3) 2020-01-14 16:33 x86_64
> > Cygwin
> >
> > $ mintty --version
> > mintty 3.1.0 (x86_64-pc-cygwin)
> > ...
> >
> > $ for i in {0..99}; do date; done | uniq -c
> > 6 Mon, Jan 20, 2020 8:15:49 AM
> > 18 Mon, Jan 20, 2020 8:15:50 AM
> > 19 Mon, Jan 20, 2020 8:15:51 AM
> > 16 Mon, Jan 20, 2020 8:15:52 AM
> > 20 Mon, Jan 20, 2020 8:15:53 AM
> > 21 Mon, Jan 20, 2020 8:15:54 AM
>
> Thank you for the information. I found that the locale also matters.
> The problem is not yet fixed in the snapshot and also the latest
> commit of the git repository.
>
>
> Repeat-By:
>
> I update the steps to reproduce the problem:
>
> 1. Open Cygwin Terminal
> 2. Run the following commands
>
> $ LANG=ja_JP.UTF-8
> $ mintty --version
> $ for a in {0..99}; do date; done | uniq -c
>
>
> Locale:
>
> I found that the problem is reproduced when LANG=ja_JP.UTF-8. I
> tried LANG=C and LANG=en_US.UTF-8, but the problem was not present
> with these locales. I tried several locales as follows. It appears
> it is related to multi-byte character sets, and also the problem
> does not occur if UTF-8 is not specified.
>
> * Not reproduced with: en_US.UTF-8, en_GB.UTF-8, de_DE.UTF-8,
> fr_FR.UTF-8, ru_RU.UTF-8, ja_JP
>
> * Reproduced with: ja_JP.UTF-8, ja_JP.utf8, zh_CN.UTF-8,
> zh_TW.UTF-8, ko_KR.UTF-8
>
> Next I tried to find out which locale category causes the problem,
> but the problem is not reproduced by just specifying a locale for
> one locale category. I tried the following, but none reproduced the
> problem.
>
> $ LANG=en_US.UTF-8 LC_CTYPE=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
> $ LANG=en_US.UTF-8 LC_COLLATE=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
> $ LANG=en_US.UTF-8 LC_MESSAGES=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
> $ LANG=en_US.UTF-8 LC_NUMERIC=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
> $ LANG=en_US.UTF-8 LC_TIME=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
> $ LANG=en_US.UTF-8 LC_MONETARY=ja_JP.UTF-8; mintty --version
> $ for a in {0..99}; do date; done | uniq -c
>
> Other interesting observations are
>
> 1. To reproduce the problem, LANG needs not be set to
> ja_JP.UTF-8 when "mintty --version" runs, i.e., it can be
> reproduced with:
>
> $ mintty --version
> $ LANG=ja_JP.UTF-8
> $ for a in {0..99}; do date; done | uniq -c
>
> 2. Once the exec starts to create a console window, the problem
> persists even after resetting LANG to a non-problematic one:
>
> $ mintty --version
> $ LANG=en_US.UTF-8
> $ for a in {0..99}; do date; done | uniq -c
> <No problems>
> $ LANG=ja_JP.UTF-8
> $ for a in {0..99}; do date; done | uniq -c
> <Many flashing console windows>
> $ LANG=en_US.UTF-8
> $ for a in {0..99}; do date; done | uniq -c
> <Still there are many console windows>
>
>
> Cygwin Versions:
>
> In my environments, it is reproduced with the latest snapshot as
> well. I also tried the latest version of the git repository, but
> the problem has not yet fixed. I tried the following versions, but
> with all the versions the same problem occurs:
>
> 1. Cygwin 3.1.2
>
> $ uname -a
> CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2019-12-21 15:25 x86_64
> Cygwin
>
> 2. Snapshot 2020-01-14 from https://cygwin.com/snapshots/
>
> $ uname -a
> CYGWIN_NT-10.0 letsnote2019 3.1.2s(0.340/5/3) 2020-01-14 16:33 x86_64
> Cygwin
>
> 3. Commit 85aff2830 from git://sourceware.org/git/newlib-cygwin.git
>
> $ uname -a
> CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2020-01-19 15:12 x86_64
> Cygwin
>
> 4. Commit 4261a8f5c from git://sourceware.org/git/newlib-cygwin.git
>
> $ uname -a
> CYGWIN_NT-10.0 letsnote2019 3.1.2(0.340/5/3) 2020-01-21 00:57 x86_64
> Cygwin
>
> Also, this is not a specific problem of one computer because I tried
> with two laptops and both reproduce the same problem.
Thanks for the report. I could reproduce the problem under LANG=ja_JP.UTF-8.
I have almost caught the culprit. Please wait for a while.
--
Takashi Yano <takashi.y...@nifty.ne.jp>
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