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stopping Classic
Authored by: level9 on Nov 29, '01 06:49:25PM

I can only go by what little I've learned in the last 8 months or so...but I have yet to have kill -9 *not* kill a process on either of my three OSX boxes. kill -9 is not a "clean" way of stopping any process, basically it stops it dead in it's tracks...no time for clean up, etc. That's originally why I said I use it as a last resort. Kind of like force-quitting an app in OS 9 (and earlier), if it worked back then. I work with people that force-quit an app the *instant* it doesn't respond, so I'm not a big fan of force-quitting, unless absolutely necessary.

It's funny that you mention IE, this is the only app I've had to kill -9, but only twice in about 4 months.



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stopping Classic
Authored by: babbage on Nov 30, '01 01:04:23PM

I've been using Unix for years, and kill -9 is basically always the method of last resort -- if a process hangs, try killing it normally and if that doesn't work then try kill -9, and in the rare case try running kill or kill -9 as root, but with great hesistation. Ususally a regular kill will work, and if not kill -9 does; having to go in as root basically never happens.

But that's exactly why this IE problem is bugging me so much -- even the last ditch method isn't doing it. Force quit doesn't work either, but I suspect that at some level the two commands are doing the same thing (maybe force quit is a gui version of kill, I don't know). I have never encountered an application that wouldn't respond to this, and it unnerves me that it can happen in OSX.

I'm told that on a traditional Unix, this is a sign that the hung process is lodged in the kernel and waiting for some kind of system I/O -- disc or network access -- and may be a sign of hardware failure. That could be the case here -- god I hope not but it's possible -- but I've got a basically brand new hard drive, and no other problems are coming up aside from IE. It has me wondering of either IE has some kind of *very* serious bug in it somewhere, or more unnervingly there is a problem with the Darwin kernel that is allowing this to happen. If it's just IE, no big deal, I can just stop using it until an update comes out. But if the problem is in the kernel, and the api that IE is hitting and other things probably hit as well.... yech, that's scary.

But in any event, this has been going on for like a month now and I still can't figure out why. I've asked around a little bit but no one else seems to have had this problem, as near as I can tell. I'd really like to know what's going on here...



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