On 2021-06-28 20:18:26 dep via tde-users wrote:

Again -- sorry fpr top posting; I hope to hear back from the ProtonMail Bridge people soon, but haven't yet.

Already uninstalled and purged LightZone, so there's no binary to rename. But you solved the problem anyway. While I was poking around for artifacts just now, looking in top to see if I had any zombies, I discovered that there was a java instance running. Part of LightZone is in java. Did a killall java and poof! it went away.

So. Thanks!

dep

Sometimes a program will die without deleting its X resources, orphaning one or more windows. The program, of course, cannot be killed; it's already gone. Use Ctrl-Alt-Escape* to tell X; put the cursor on the orphan window and click. Poof!

Leslie

* Found in Control Center => Regional and Accessibility => Keyboard Shortcuts =>System => iscellaneous. -- Operating System: Linux Distribution: openSUSE Leap 15.3 x86_64 Desktop Environment: Trinity Qt: 3.5.0 TDE: R14.0.10 tde-config: 1.0

On Tue, 29 Jun 2021, dep via tde-users wrote:

said J Leslie Turriff:

| Sometimes a program will die without deleting its X resources, | orphaning one or more windows. The program, of course, cannot be | killed; it's already gone. Use Ctrl-Alt-Escape* to tell X; put the | cursor on the orphan window and click. Poof!

Yup, an X classic ever since XFree86, alongside its bigger brother, ctrl-alt-bksp to kill X entirely. And it usually, though not this time, works.

I use `xkill -button 1` from a terminal. I know about ctrl-alt-bksp but never heard of Ctrl-Alt-Escape. I guess the latter is useful if you no longer have a working terminal. Good to know.

Gianluca

-- dep

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said Gene Heskett via tde-users: | On Monday 28 June 2021 21:08:05 Borg Labs wrote: | > On Monday 28 June 2021 07:34:42 pm dep via tde-users wrote: | > > Greets, folks . . . | > > | > > This is a weird one. I unfortunately have the RAW-handling photo | > > application LightZone as forst in my RAW file association, so when I | > > accidentally clicked on a RAW file today it opened. (It didn't open | > > that file, btw, because LightZone is flaky and opens what it had | > > open the last time it was run, just one of several reasons I really | > > don't like it.) I tried to close LightZone, but it wouldn't close. I | > > did 'killall lightzone', but nope, still there. Mouse arrow turns to | > > point-left-horizontally when I enter the window. Top reports no | > > LightZone processes running. I have deleted LightZone and its | > > configuration files. Still no joy. | > > | > > I have a *huge* file copy underway -- should take the next 10 hours | > > or so. So I'd just as soon not reboot. | > > | > > Oddly, I can still moved the window around, maximize it, minimize it | > > -- just not close it entirely. It seems to have just enough aslive | > > that I can't get a "window not responding" error. Nothing inside the | > > window, which is to say in the program itself, responds at all. | > > | > > Whatcha think? | > > | > > Any idea how to kill it? | > > | > > I've never encountered such a thing before. | > > -- | > > dep | > | > Ok you have a zombie exe. Here's what I do under your situation. | > Open konq as root, go to the lightzone binary and rename it .old | > then kill the app. It shouldn't respawn after that. | > | > Let me know if it works for you, | > | > Kate | | Another way is to open another shell, and launch a root session of htop | as it will usually show the runaway program as using 100% of a core, and | being a root session, can kill the errant process. Since I do lots of | off the wall stuff on this machine, I keep a root copy of htop running | in the first shell tab of 10 on workspace 0 as the first thing I start | after a reboot. You will probably have to install it as its not part of | the normal install. That and mc are (IMO) your 2 best secret weapons | ever. | | Cheers, Gene Heskett

That's a way to do something, but not this. The whole point was that there was no evidence of the thing running except for its presence on the desktop, inside a normal TDE desktop container -- it could be minimized, maximized, moved -- but the application, such as it was, was entirely unresponsive. Nor did it appear in processes. There was nothing taking 100 percent of a core.

I should have suspected java, but I'd forgotten that the reason I'd hesitated to install LigtZone was its involvement with java, the flashplayer of languages. (I think that LibreOffice is likewise infected to some extent, is it not?)

Through an unexplained update to ProtonMail Bridge (that, sadly, did not involve any response from their tech support), I can now use KMail to get (and, if this goes, send) email once again.

Now I need to figure out what foul application thought it was a good idea without asking to add a sidecar xml file to every one of the ~20,000 RAW files I just copied from an external drive. Because I want to find it and give it a thrashing it won't soon forget. -- dep

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