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From: Oleg Nesterov <oleg@redhat.com>
To: naresh kamboju <naresh.kernel@gmail.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
	Roland McGrath <roland@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Christoph Hellwig <hch@infradead.org>,
	Ingo Molnar <mingo@elte.hu>, Pavel Emelyanov <xemul@openvz.org>,
	linux-kernel@vger.kernel.org
Subject: Re: open_posix_testsuite: STOP + CONT + wait hang?
Date: Wed, 17 Jun 2009 15:29:47 +0200	[thread overview]
Message-ID: <20090617132947.GA6476@redhat.com> (raw)
In-Reply-To: <f5a7b3810906170135q3fd90f8fy8c5e06ab77e26b52@mail.gmail.com>

On 06/17, naresh kamboju wrote:
>
> please find inline comments

Thanks Naresh.

> >> ARCH: ARM
> >
> > is it ARM specific? I can't reproduce the problem on x86.
> yes it is specific to ARM. test cases are PASSED on X86-2.6.29 Kernels.

Not good, because I know nothing about arm and don't have the arm machine ;)
Will try to look...

> > If you can reproduce the problem, please send the content of
> > /proc/CHILD_PID/status and /proc/PARENT_PID/status.
>
> i have attached  strace and proc_log
> please review the same.

Thanks.

Could you reproduce without strace, and send the output of /proc/xxx/status ?
I don't really expect we will see something interesting, but just in case.

Also, the output of sysrq-t may help. (the part which relates to these 2
processes).

Oleg.


  reply	other threads:[~2009-06-17 13:34 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-25 18:55 [PATCH 1/1] ptrace: do_notify_parent_cldstop: fix the wrong ->nsproxy usage Oleg Nesterov
2009-05-25 19:39 ` Oleg Nesterov
2009-05-27  1:06   ` Roland McGrath
2009-05-27 23:24     ` Oleg Nesterov
2009-05-26 21:05 ` Roland McGrath
2009-05-26 21:33   ` Oleg Nesterov
2009-05-27  0:55     ` Roland McGrath
2009-06-02  4:54       ` Sukadev Bhattiprolu
2009-06-05 15:43         ` naresh kamboju
2009-06-06  0:19           ` Roland McGrath
2009-06-06  6:47           ` open_posix_testsuite: STOP + CONT + wait hang? Oleg Nesterov
2009-06-17  8:35             ` naresh kamboju
2009-06-17 13:29               ` Oleg Nesterov [this message]
2009-06-17 14:34                 ` naresh kamboju
2009-05-27 21:32   ` [PATCH 1/1] ptrace: do_notify_parent_cldstop: fix the wrong ->nsproxy usage Oleg Nesterov
2009-05-27 22:23     ` Roland McGrath
2009-05-27 23:12       ` Oleg Nesterov
2009-05-27 23:26         ` Roland McGrath
2009-05-27 23:43           ` Oleg Nesterov
2009-05-27 23:51             ` Roland McGrath
2009-05-28  0:05               ` Oleg Nesterov
2009-06-02  4:48 ` Sukadev Bhattiprolu

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