From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: Takashi Yano <takashi.yano@nifty.ne.jp>
Cc: cygwin@cygwin.com
Subject: Re: cygwin snapshots after 23, Feb. ocasionally destroys windows logon session
Date: Mon, 04 Mar 2019 16:39:00 -0000 [thread overview]
Message-ID: <20190304163857.GI3785@calimero.vinschen.de> (raw)
In-Reply-To: <20190304160630.GH3785@calimero.vinschen.de>
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On Mar 4 17:06, Corinna Vinschen wrote:
> On Mar 4 16:57, Corinna Vinschen wrote:
> > On Mar 5 00:28, Takashi Yano wrote:
> > > Hi Corinna,
> > >
> > > I encountered a problem with cygwin snapshots after 23, Feb.
> > > If I login to cygwin via ssh and logout from ssh session,
> > > explorer sometimes gets into erroneous state. Most of
> > > operations cannot be done on explorer.
> > > [...]
>
> FTR, I just reproduced it after the fifth logon/logoff in a row
> on W10 64 bit w/ 64 bit Cygwin.
>
> > > To reproduce this, logon windows with a user and start
> > > cygwin. Then, repeat login and logout via cygwin ssh/sshd
> > > a few ten times with the user who logon to windows.
> > > [...]
> > > Is this code really necessary?
> >
> > It's probably not necessary, at least we hadn't had anything like that
> > before. As you can see from commits 71b8777a7140, 8eee25241e86,
> > dd3730ed9c1c and bcb33dc4f055, the idea is to unload a user profile if
> > it's not used anymore.
> >
> > I'm puzzled that calling UnloadUserProfile should actually unload a user
> > profile if it's still in use by the interactive session. That sounds
> > like a bug in Windows to me, but what do I know?
> >
> > I can revert this single patch, or I can revert the above patchset
> > trying to unload a user profile entirely, whatever makes more sense.
> >
> > However, what makes most sense?!?
I reverted the entire patchset and uploaded new developer snapshots
to https://cygwin.com/snapshots/.
Incidentally, Microsoft's OpenSSH port calls LoadUserProfile, but it
never calls UnloadUserProfile. I guess they know why.
It seemed like a good idea at the time...
Thanks,
Corinna
--
Corinna Vinschen
Cygwin Maintainer
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next prev parent reply other threads:[~2019-03-04 16:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-04 15:28 Takashi Yano
2019-03-04 15:57 ` Corinna Vinschen
2019-03-04 16:06 ` Corinna Vinschen
2019-03-04 16:39 ` Corinna Vinschen [this message]
2019-03-04 17:26 ` Bill Stewart
2019-03-05 12:16 ` Takashi Yano
2019-03-05 12:46 ` Corinna Vinschen
2019-03-04 18:10 ` Achim Gratz
2019-03-04 19:35 ` Andrey Repin
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