Message-ID: <553198.70689.qm@web25505.mail.ukl.yahoo.com>
Date: Sat, 17 Jul 2010 20:32:08 +0000 (GMT)
From: Marco Atzeri <marco_atzeri AT yahoo DOT it>
Subject: R: Strange and sudden misbehavior switching to shell window (X)
To: cygwin AT cygwin DOT com
In-Reply-To: <4C420EE0.8010906@sylvan-glade.com>
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--- Sab 17/7/10, Ray Simard  ha scritto:


> Hello.
>=20
> Something very strange has just started happening, and
> which I don't
> seem mentioned on this list so far.=A0 It is this:
>=20
> I customarily have at least one, and usually several,
> Cygwin-X bash
> shell windows open constantly. (I was briefly without that
> ability a
> little while ago and felt nearly crippled.)=A0 I've been
> doing that for
> years now.
>=20
> Over the past several days, when I attempt to switch to one
> of them with
> ALT-TAB or clicking the taskbar, usually nothing changes;
> the current
> window stays up.=A0 Sometimes the X window comes up
> after a long (maybe
> half a minute or so) delay.=A0 If I right-click on the X
> icon on the tray
> and try again, usually several times, or sometimes after
> just clicking
> back and forth among things for a while, it will eventually
> come up.

X issues are discussed on cygwin-xfree mailing list

this issue was discussed here
http://www.cygwin.com/ml/cygwin-xfree/2010-07/msg00008.html

>=20
> Here are some key facts about this:
>=20
> 1. Sometimes, unpredictably, the problem will disappear and
> things will
> be normal for a while.
>=20
> 2. Cygwin installed from scratch about a month ago, with no
> problems
> until now.
>=20
> 3. bash shells in the cmd.com (non-X) windows can be
> switched to
> instantly without exception.=A0 Only the X variety has
> the problem.
>=20
> 4. Launching a fresh X shell window runs a little show but
> usually works
> OK before too long; I can't swear that it's slower than
> usual, but it
> might be.=A0 (Same with launching the X server.) It's
> only when switching
> to an already-running one that has the problem.
>=20
> 5. Nothing else seems to be out of the ordinary.
>=20
> 6. Uninstalling and reinstalling everything under the X11
> subtree
> doesn't change anything.
>=20
>=20
> My immediate thoughts are:
>=20
> 1. Malware (Some kind of stealth X11
> grabber?)=A0=A0=A0NAV (which I keep for
> historical reasons), sysinternals RootkitRevealer and
> Spybot S & D don't
> turn up anything.=A0 I have sysinternals Process
> Explorer running all the
> time too, and see nothing untoward there, though malware
> can hide.
>=20
> 2. A failing disk.=A0 I don't think that's very likely,
> since browsing all
> over the disks in the system (there are several),
> particularly in the
> Cygwin intallation, the Windows home volume and temp areas
> doesn't seem
> unusual.=A0 The only way I can think of that a disk
> would matter here is
> if virtual memory were involved, and that would no doubt
> manifest itself
> in other ways as well.
>=20
>=20
> Any ideas? It's getting very tiresome very fast.=A0 Much
> thanks in advance.
>=20
> Ray Simard
>=20

Regards
Marco


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