From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Paul Jackson <pj@sgi.com>
Cc: Andrew Morton <akpm@osdl.org>, Cliff Wickman <cpw@sgi.com>,
Paul Menage <menage@google.com>,
linux-kernel@vger.kernel.org,
Randy Dunlap <randy.dunlap@oracle.com>,
Dinakar Guniguntala <dino@in.ibm.com>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [DEBUG PATCH] demonstration of hang in sched domain partitioning code
Date: Sun, 7 Oct 2007 17:40:46 +1000 [thread overview]
Message-ID: <200710071740.47377.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <20071005092432.32047.60952.sendpatchset@jackhammer.engr.sgi.com>
On Friday 05 October 2007 19:24, Paul Jackson wrote:
> Nick,
>
> I'm running into a problem trying to use your suggested
> partition_sched_domains(cpumask_t *partition) routine the way
> I thought I was supposed to be able to use it.
>
> If I ask to set up the same partition twice in a row having
> just one CPU in it (a singleton) the kernel hangs.
>
> I don't know enough about kernel/sched.c to be able to debug
> this very efficiently. Any chance you could take a look?
Hi Paul,
Yeah I'll take a look. Meanwhile, as Ingo said, the recent patch you
sent is reasonable enough because the most critical thing to do is
to allow users to move away from the old interface.
prev parent reply other threads:[~2007-10-08 0:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-05 9:24 [DEBUG PATCH] demonstration of hang in sched domain partitioning code Paul Jackson
2007-10-07 7:40 ` Nick Piggin [this message]
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