From: Stephen Warren <swarren@wwwdotorg.org>
To: Shaohua Li <shli@kernel.org>
Cc: Shaohua Li <shli@fusionio.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>, Minchan Kim <minchan@kernel.org>,
Joseph Lo <josephl@nvidia.com>
Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space"
Date: Mon, 04 Feb 2013 09:57:10 -0700 [thread overview]
Message-ID: <510FE866.9090600@wwwdotorg.org> (raw)
In-Reply-To: <20130204023646.GA321@kernel.org>
On 02/03/2013 07:36 PM, Shaohua Li wrote:
> On Fri, Feb 01, 2013 at 10:02:33PM -0700, Stephen Warren wrote:
>> Shaohua,
>>
>> In next-20130128, commit 174f064 "swap: make each swap partition have
>> one address_space" (from the mm/akpm tree) appears causes a hang/RCU
>> stall for me when hot-unplugging a CPU.
>
> does this one work for you?
> http://marc.info/?l=linux-mm&m=135929599505624&w=2
> Or try a more recent linux-next. The patch is in akpm's tree.
Yes, that patch fixes the issue for me, thanks.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Warren <swarren@wwwdotorg.org>
To: Shaohua Li <shli@kernel.org>
Cc: Shaohua Li <shli@fusionio.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>, Minchan Kim <minchan@kernel.org>,
Joseph Lo <josephl@nvidia.com>
Subject: Re: CPU hotplug hang due to "swap: make each swap partition have one address_space"
Date: Mon, 04 Feb 2013 09:57:10 -0700 [thread overview]
Message-ID: <510FE866.9090600@wwwdotorg.org> (raw)
In-Reply-To: <20130204023646.GA321@kernel.org>
On 02/03/2013 07:36 PM, Shaohua Li wrote:
> On Fri, Feb 01, 2013 at 10:02:33PM -0700, Stephen Warren wrote:
>> Shaohua,
>>
>> In next-20130128, commit 174f064 "swap: make each swap partition have
>> one address_space" (from the mm/akpm tree) appears causes a hang/RCU
>> stall for me when hot-unplugging a CPU.
>
> does this one work for you?
> http://marc.info/?l=linux-mm&m=135929599505624&w=2
> Or try a more recent linux-next. The patch is in akpm's tree.
Yes, that patch fixes the issue for me, thanks.
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next prev parent reply other threads:[~2013-02-04 16:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-02 5:02 CPU hotplug hang due to "swap: make each swap partition have one address_space" Stephen Warren
2013-02-02 5:02 ` Stephen Warren
2013-02-04 2:36 ` Shaohua Li
2013-02-04 2:36 ` Shaohua Li
2013-02-04 4:45 ` Joseph Lo
2013-02-04 4:45 ` Joseph Lo
2013-02-04 16:57 ` Stephen Warren [this message]
2013-02-04 16:57 ` Stephen Warren
2013-02-04 20:49 ` Stephen Warren
2013-02-04 20:49 ` Stephen Warren
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