FWIW, this problem has disappeared with the latest setup.exe.
There are no more errors during postinstall and AFAICT everything is working.
On Sat, Dec 21, 2019, at 4:58 PM, Jay Goldman wrote:
> I think my problem applies to this thread.
> (I'm unclear how to reply to an entry in the mailing list archive)
>
>
> all cygwin commands stopped working for me, too.
> (i have been using cygwin for many years, it has been running on my
> windows 10 system for as long as windows 10 has been available)
> so, i recovered a version of the bin folder from a few days ago, and
> all is working. (note, i only had to recover the bin folder, i did not
> have to recover the lib, etc, or var folders)
>
> not sure if i ran cygcheck correctly - i ran it from a cmd window in a
> non-cygwin folder (this is newcheck.out)
> so i ran it again (badcheck.out) while working dir is \bin.bad (my
> 'bad' version of \bin folder)
> NOTE: i changed the user name changed to XXXX)
>
> Before backing up the bin folder, the situation was:
> When i run cmd window and try anything in cygwin bin folder i get
> (bash.exe is just an example) (except for cygcheck :-)
> C:\newbin>bash.exe -i
> 0 [main] bash (1588) C:\newbin\bash.exe: *** fatal error -
> add_item ("\??\C:", "/", ...) failed, errno 22
>
> This also happens with bat scripts i have been using for many years to
> start xwindows or just a terminal window.
>
> It appears, i think, to be a problem with setup (or maybe an
> interaction with some recent windows 10 update?),
> since when i run setup-x86_64.exe, i get the following in
> /var/log/setup.log:
>
> 2019/12/21 13:48:56 Starting cygwin install, version 2.897
> 2019/12/21 13:48:56 User has backup/restore rights
> 2019/12/21 13:48:56 Current Directory: K:\installation_disks\cygwin64
> 2019/12/21 13:48:56 Could not open service McShield for query, start
> and stop. McAfee may not be installed, or we don't have access.
> 2019/12/21 13:49:01 source: network install
> 2019/12/21 13:49:02 root: C:\ system
> 2019/12/21 13:49:03 Selected local directory:
> K:\installation_disks\cygwin64
> 2019/12/21 13:49:04 net: Direct
> 2019/12/21 13:49:06 site: http://mirror.clarkson.edu/cygwin/
> 2019/12/21 13:49:06 HTTP status 404 fetching
> http://mirror.clarkson.edu/cygwin/x86_64/setup.zst.sig
> 2019/12/21 13:49:06 HTTP status 404 fetching
> http://mirror.clarkson.edu/cygwin/x86_64/setup.zst
> 2019/12/21 13:49:08 solving: 0 tasks, update: yes, use test packages: no
> 2019/12/21 13:49:11 solving: 0 tasks, update: no, use test packages: no
> 2019/12/21 13:49:11 Augmented Transaction List: is empty
> 2019/12/21 13:49:13 Changing gid back to original
> 2019/12/21 13:49:13 running: C:\\bin\dash.exe
> "/etc/postinstall/0p_000_autorebase.dash"
> 2019/12/21 13:49:15 abnormal exit: exit code=-1073741819
> 2019/12/21 13:49:15 running: C:\\bin\dash.exe
> "/etc/postinstall/0p_texlive_prep.dash"
> 2019/12/21 13:49:18 abnormal exit: exit code=-1073741819
> 2019/12/21 13:49:18 running: C:\\bin\dash.exe
> "/etc/postinstall/0p_update-info-dir.dash"
> 2019/12/21 13:49:19 abnormal exit: exit code=-1073741819
> 2019/12/21 13:49:22 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/bash.sh"
> 2019/12/21 13:49:23 abnormal exit: exit code=256
> 2019/12/21 13:49:23 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/cygwin-doc.sh"
> 2019/12/21 13:49:26 abnormal exit: exit code=256
> 2019/12/21 13:49:26 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/lyx.sh"
> 2019/12/21 13:49:28 abnormal exit: exit code=256
> 2019/12/21 13:49:28 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/TeXmacs.sh"
> 2019/12/21 13:49:29 abnormal exit: exit code=256
> 2019/12/21 13:49:29 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_adwaita-icon-theme.sh"
> 2019/12/21 13:49:31 abnormal exit: exit code=256
> 2019/12/21 13:49:31 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_desktop-file-utils.sh"
> 2019/12/21 13:49:33 abnormal exit: exit code=256
> 2019/12/21 13:49:33 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_fontconfig_cache_1.sh"
> 2019/12/21 13:49:35 abnormal exit: exit code=256
> 2019/12/21 13:49:35 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_glib2.0.sh"
> 2019/12/21 13:49:38 abnormal exit: exit code=256
> 2019/12/21 13:49:38 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_hicolor-icon-theme.sh"
> 2019/12/21 13:49:40 abnormal exit: exit code=256
> 2019/12/21 13:49:40 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_man-db.sh"
> 2019/12/21 13:49:42 abnormal exit: exit code=256
> 2019/12/21 13:49:42 running: C:\\bin\dash.exe
> "/etc/postinstall/zp_octave_finish.dash"
> 2019/12/21 13:49:44 abnormal exit: exit code=-1073741819
> 2019/12/21 13:49:44 running: C:\\bin\bash.exe --norc --noprofile
> "/etc/postinstall/zp_shared-mime-info.sh"
> 2019/12/21 13:49:47 abnormal exit: exit code=256
> 2019/12/21 13:49:47 running: C:\\bin\dash.exe
> "/etc/postinstall/zp_texlive_finish.dash"
> 2019/12/21 13:49:49 abnormal exit: exit code=-1073741819
> 2019/12/21 13:49:50 Changing gid to Administrators
> 2019/12/21 13:49:56 note: Nothing needed to be installed
> 2019/12/21 13:49:56 Ending cygwin install
>
>
> Attachments:
> * newcheck.out
> * badcheck.out
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