From: Srivatsa Vaddagiri <vatsa@in.ibm.com>
To: Nathan Lynch <nathanl@austin.ibm.com>
Cc: dipankar@in.ibm.com, Joel Schopp <jschopp@austin.ibm.com>,
Rusty Russell <rusty@rustcorp.com.au>,
lkml <linux-kernel@vger.kernel.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
zwane@linuxpower.ca
Subject: Re: CPU hotplug broken in 2.6.8-rc2 ?
Date: Wed, 4 Aug 2004 15:36:42 +0530 [thread overview]
Message-ID: <20040804100642.GA20278@in.ibm.com> (raw)
In-Reply-To: <1091567239.28036.36.camel@biclops.private.network>
On Tue, Aug 03, 2004 at 04:07:20PM -0500, Nathan Lynch wrote:
> BUG_ON(rq->nr_running != 0);
>
> I can reproduce this on both ppc64 and i386. Does anyone know why this
> is happening?
I guess some task is still stuck with the dead CPU. Can you put a breakpoint on the BUG_ON
and see the ps output (in kdb) to see which task is that when you hit the breakpoint?
I will also try debugging the 2.6.8-rc2 CPU Hotplug woes as soon as I can.
--
Thanks and Regards,
Srivatsa Vaddagiri,
Linux Technology Center,
IBM Software Labs,
Bangalore, INDIA - 560017
next prev parent reply other threads:[~2004-08-04 10:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-02 9:49 CPU hotplug broken in 2.6.8-rc2 ? Dipankar Sarma
2004-08-02 9:57 ` Dipankar Sarma
2004-08-02 13:46 ` Anton Blanchard
2004-08-02 19:38 ` Nathan Lynch
2004-08-02 20:26 ` Nathan Lynch
2004-08-03 21:07 ` Nathan Lynch
2004-08-04 10:06 ` Srivatsa Vaddagiri [this message]
2004-08-04 13:12 ` Nathan Lynch
2004-08-04 14:50 ` Zwane Mwaikambo
2004-08-04 21:07 ` Con Kolivas
2004-08-03 0:13 ` Rusty Russell
2004-08-02 16:00 ` Zwane Mwaikambo
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