[THIN] Re: Unable to kill hung process
- From: "Timothy Mangan" <tmangan@xxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 12 Mar 2004 08:12:37 -0500
Nah. User mode goes into the kernel to actually do the kill (for any of the
suggested methods), and permissions are checked inside the kernel. So the
state of the target process doesn't matter (it doesn't cooperate in its own
death), so the problem had to be that inside the kernel there was a
corrupted table. The only task that can't be killed by the kernel is id=0,
the "system idle" task.
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Braebaum, Neil
Sent: Friday, March 12, 2004 8:01 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: Unable to kill hung process
Isn't there a possibility that simply the process isn't in a state to
receive a signal - and that the ring level of a user Admin session,
isn't sufficient to break in?
Neil
> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx
> [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Timothy Mangan
> Sent: 12 March 2004 12:52
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Unable to kill hung process
>
> If you couldn't kill it as admin, then the machine suffered a
> kernel corruption and should be rebooted at earliest
> convenience (which is likely what you already did). This is
> very unusual to happen, but once in a long while you see it happen.
>
> tim
>
> -----Original Message-----
> From: thin-bounce@xxxxxxxxxxxxx
> [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Lennart Koschella
> Sent: Friday, March 12, 2004 3:01 AM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Unable to kill hung process
>
> Tim Mangan wrote:
>
> >Second question first: If it isn't showing up in the CMC then most
> >likely it isn't related to an ICA session as in console
> user or maybe
> >even rdp user.
>
> It was a user who was logged in via ICA (session #4). This
> session didn't
> exist anymore, but the process winword.exe showed a session
> #4 in CMC. It
> seems as if the session was removed without killing all corresponding
> processes. I don't know if this has happened before, but this
> time this
> orphan process was a processor hog.
>
> >I would suspect your inability to kill it with those tools
> would mean
> >that you were not logged in with admin authority.
>
> This is exactly the problem: I logged in as an administrator and got
> "Access denied".
>
> >PS: It is unfortunate that the OS allows this to happen at
> all. But
> >then if Microsoft fixed this I might not sell as much of my product!
>
> <g>
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