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Known Problems

2016-02-12: Problems about the ACL

In recent version, the cygwin changed the ACL mechanism . So, in the cygwin current version, if it will be installed by setup.exe with -B or --no-admin option, the cygwin root (/) does not have correct ACL.

A new subcommand repair-acl tries to repair it. But some package, that are failed to install by the ACL problem, need to be reinstalled.

2015-04-09: gpgv seems not work correctly on 32 bit environment

To solve this problem, the backend of verify_signatures function was changed from gpgv to gpg. thienhv reported this problem #14. Thanks.

2014-01-17: ca-certificates package is not setup correct at x86_64 with Windows 8.

After clean installing with setup-x86_64.exe, there are something wrong about ca-certificate package as below:

$ ls -lnG \
     /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt \
     /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
-r--r--r-- 1 1001 314336 Jan 17 18:17 /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
-rw-r--r-- 1 1001      0 Oct 16 12:35 /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
$ ls -lnG \
     /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem \
     /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
-r--r--r-- 1 1001 232342 Jan 17 18:17 /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
-rw-r--r-- 1 1001      0 Oct 16 12:35 /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem

The x86 environment seems no problem except that need an additional setting for wget and ca-certificate. Hmm,,,

It seems that /usr/bin/update-ca-trust is failed at x86_64.

It's ad hoc, but effective way to fix it, is to copy files from cygwin32 to cygwin64, as below:

cp -a /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt \
      /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
cp -a /cygdrive/c/cygwin/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem \
      /cygdrive/c/cygwin64/etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem

This problem is fixed at 2014-01-24. version 0.18.7-1 of p11-kit, p11-kit-trust and libp11-kit0 did not work at the cygwin64 under the Windows 8. If you face the above problem, please upgrade these three packages from version 0.18.7-1 to version 0.18.7-2.

For more details, see a thread of below:

2014-01-15: Signature check failed at cygwinports x86_64.

Oops, setup.bz2 is newer than setup.bz2.sig. And it seems to be corrupted.

$ date
Wed Jan 15 01:30:19 JST 2014
$ w3m -dump ftp://ftp.cygwinports.org/pub/cygwinports/x86_64/
Index of ftp://ftp.cygwinports.org/pub/cygwinports/x86_64/

[Upper Directory]
md5.sum. . . . . . . Jan 10 14:24    184
release/ . . . . . . Jan 10 18:00
setup.bz2. . . . . . Jan 10 13:59   579K
setup.bz2.sig. . . . Dec  6 11:28     72
setup.ini. . . . . . Dec  6 11:28  3.20M
setup.ini.sig. . . . Dec  6 11:28     72

$ wget -q -O - ftp://ftp.cygwinports.org/pub/cygwinports/x86_64/setup.bz2 | bzip2 -tvv
  (stdin):
    [1: huff+mtf rt+rld]
    [2: huff+mtf data integrity (CRC) error in data

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

As of 2014-01-24, above problem is recovered at least.

FIXED: Check setup (cygcheck -c) can not detect .tar.xz packages

At cygwin 1.7.25, cygcheck is hardcoded for .tar.gz and .tar.bz2. So check setup (cygcheck -c) can not detect .tar.xz packages. This bug was already fixed with src/winsup/utils/dump_setup.cc#rev1.28. Please wait a release of cygwin 1.7.26.

This Problem was fixed cygwin 1.7.26 which released at 2013-11-29.