kern/72979: unkillable process(es) stuck in `STOP' state

[Ken Smith]

The following reply was made to PR kern/72979; it has been noted by GNATS.

From: Ken Smith <kensmith at cse.Buffalo.EDU>
To: David Xu <davidxu at freebsd.org>
Cc: Ken Smith <kensmith at cse.Buffalo.EDU>,
	Mikhail Teterin <mi+mx at aldan.algebra.com>,
	Michael Nottebrock <michaelnottebrock at gmx.net>, re at freebsd.org,
	davidxu at t2t2.com, davidxu at viatech.com.cn,
	freebsd-gnats-submit at freebsd.org
Subject: Re: kern/72979: unkillable process(es) stuck in `STOP' state
Date: Wed, 27 Oct 2004 20:24:02 -0400

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 On Thu, Oct 28, 2004 at 07:19:57AM +0800, David Xu wrote:
 
 > P_STOPPED_SINGLE needn't be removed here, in fact, the flag should=20
 > already be
 > turned off at this point, if the flag is still there, then there must be a
 > bug, thread_single(SINGLE_EXIT) should turn it off if it returns or thread
 > will exit in the function.
 > P_STOPPED_TRACE is cleared by debugger via PT_DETACH in sys_process.c, but
 > if debugger dies without chance to call ptrace(PT_DETACH), then exit1() m=
 ust
 > clear it.
 
 Thank you for the explanation.
 
 Please go ahead with the MFC of your patch as-is.  I'm sorry to have
 been such a pain in the butt about this.  If you have any questions
 let re@ know please.  It can go to both RELENG_5 and RELENG_5_3 at
 this point.
 
 Thanks for all your help with this.
 
 --=20
 						Ken Smith
 - From there to here, from here to      |       kensmith at cse.buffalo.edu
   there, funny things are everywhere.   |
                       - Theodore Geisel |
 
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