From: Sachin Sant <sachinp@in•ibm.com>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: [ppc64] 2.6.29-git7 : offlining a cpu causes an exception
Date: Wed, 01 Apr 2009 17:18:14 +0530 [thread overview]
Message-ID: <49D3547E.8030200@in.ibm.com> (raw)
In-Reply-To: <49D30C48.4090902@in.ibm.com>
Sachin Sant wrote:
> Benjamin Herrenschmidt wrote:
>> On Tue, 2009-03-31 at 14:57 +0530, Sachin Sant wrote:
>>
>>> While executing CPU HotPlug[1] tests i observed that during
>>> every cpu offline process an exception is thrown.
>>>
>>
>> Looks like a BUG_ON() to me... can you look at what other
>> messages just before that ?
>
Ben, seems like the following patch is causing the cpu hotplug
test failure.
[PATCH 6/6] powerpc/mm: Introduce early_init_mmu() on 64-bit
http://ozlabs.org/pipermail/linuxppc-dev/2009-March/069613.html
If i back out this patch, i am able to offline/online cpu's
without any issue.
Thanks
-Sachin
--
---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------
next prev parent reply other threads:[~2009-04-01 11:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-31 9:27 [ppc64] 2.6.29-git7 : offlining a cpu causes an exception Sachin Sant
2009-03-31 22:44 ` Benjamin Herrenschmidt
2009-04-01 6:40 ` Sachin Sant
2009-04-01 11:48 ` Sachin Sant [this message]
2009-04-16 5:36 ` Sachin Sant
2009-04-16 8:25 ` Michael Ellerman
2009-04-16 10:15 ` Sachin Sant
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