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Date:	Sat, 15 Aug 2015 13:54:29 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: commands spends time in cygheap_user
Message-ID:	<20150815115429.GS28349@calimero.vinschen.de>
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On Aug 14 22:20, Corinna Vinschen wrote:
> On Aug 14 17:48, Corinna Vinschen wrote:
> > On Aug 14 06:49, mku wrote:
> > > I hope, not to follow a red herring again, but found some interesting.
> > >=20
> > > I did a fresh cygwin installation again but made an error not to copy=
 my old
> > > .bashrc and .bashrc-profile files.
> > > Within .bashrc I defined an alias for ls (ls=3D'ls --color=3Dauto
> > > --show-control-chars').
> > > I noticed, that the time lag has went away. After a "ls --color=3Daut=
o", the
> > > time lag appeared again.
> > > Comparing the strace output with/without the color flag, I found that=
 the
> > > time lag at "cygheap_user::ontherange" has gone and it now appeared a=
t a
> > > ldap_bind [ldap_init] that was called in the context of a symbolic li=
nk to a
> > > directory on a network share. The previous strace logs did not show a=
 time
> > > lag at this point, only at the cygheap_user entry.=20
> > >=20
> > > I deleted the "ln -s" entry and did not notice this big time lag any =
more
> > > even with the color flag.
> > >=20
> > > I restored the "old" v2.2.0 version and cannot find the previous logg=
ed time
> > > lag.=20
> > > As no files within the cygwin directory structure has been modified, =
it
> > > seems, that some registry information has been "healed" by the multip=
le
> > > fresh installations.=20
> > >=20
> > > PS: To do a fresh install I did a "backup" by renaming the original c=
ygwin
> > > folder. The "restore" was done by renaming the fresh installed cygwin=
 folder
> > > and renaming the previous "backuped" folder back to cygwin.
> > >=20
> > > For me the issue is now closed. Thanks for your input.
> >=20
> > Thank you for this important point.  That gives me an idea what
> > happens and I guess this is something which needs fixing.  These
> > checks should also only happen if passwd/group in nsswitch.conf
> > are set to "db".
>=20
> I just checked in a patch to address this issue, and I just created a
> new developer snapshot for testing.
>=20
> Can you reproduce the situation by recreating the symlink and try again?
> If you can reproduce it, can you give the latest Cygwin DLL from the
> developer snapshot page https://cygwin.com/snapshots/ a try?

The new 2.2.1-0.1 test release contains this fix as well.  Please give
it a try.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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