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From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: oleg@redhat.com,
	linux-kernel Mailing List <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: LTP 20080131 causes defunct processes w/2.6.30-rc1 (possible ptrace issue?)
Date: Thu, 9 Apr 2009 18:03:19 -0700	[thread overview]
Message-ID: <20090410010319.GA2354@us.ibm.com> (raw)
In-Reply-To: <B6C30A35-DBF7-4710-9F03-9E42775CDA21@kernel.crashing.org>

>
> -bash-3.2# ps
>  PID TTY          TIME CMD
> 2289 ttyS0    00:00:00 bash
> 2310 ttyS0    00:00:00 runltp
> 2412 ttyS0    00:00:00 pan
> 2448 ttyS0    00:00:00 recv01 <defunct>
> 2450 ttyS0    00:00:00 recvfrom01 <defunct>
> 2452 ttyS0    00:00:00 recvmsg01 <defunct>
> 2473 ttyS0    00:00:00 rename14
> 2474 ttyS0    00:00:01 rename14
> 2477 ttyS0    00:00:00 rename14
> 2481 ttyS0    00:00:00 ps
> -bash-3.2# cat /proc/1/status
> Name:   init
> State:  T (stopped)

init is in the stopped state.  Can you run "kill -CONT 1" ?

> Tgid:   1
> Pid:    1
> PPid:   0
> TracerPid:      0
> Uid:    0       0       0       0
> Gid:    0       0       0       0
> FDSize: 32
> Groups:
> VmPeak:     1948 kB
> VmSize:     1944 kB
> VmLck:         0 kB
> VmHWM:       648 kB
> VmRSS:       648 kB
> VmData:      164 kB
> VmStk:        84 kB
> VmExe:       288 kB
> VmLib:      1124 kB
> VmPTE:        20 kB
> Threads:        1
> SigQ:   8/16384
> SigPnd: 0000000000000000
> ShdPnd: 0000000000010000

Init does have the pending SIGCHLD, so the zombies should go away 
when init gets the SIGCONT.

  reply	other threads:[~2009-04-10  1:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-09 15:43 LTP 20080131 causes defunct processes w/2.6.30-rc1 (possible ptrace issue?) Kumar Gala
2009-04-09 16:41 ` Kumar Gala
2009-04-09 19:49   ` Sukadev Bhattiprolu
2009-04-09 20:28     ` Kumar Gala
2009-04-09 21:39       ` Sukadev Bhattiprolu
2009-04-10  0:01         ` Kumar Gala
2009-04-10  1:03           ` Sukadev Bhattiprolu [this message]
2009-04-10  5:24             ` Kumar Gala
2009-04-10 12:15               ` Oleg Nesterov

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