From: Javier Guerra <javier@guerrag.com>
To: Shirley Ma <mashirle@us.ibm.com>
Cc: linux-kernel@vger.kernel.org,
Marcelo Tosatti <mtosatti@redhat.com>,
virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
mcao@us.ibm.com
Subject: Re: INFO: task kjournal:337 blocked for more than 120 seconds
Date: Thu, 1 Oct 2009 16:03:19 -0500 [thread overview]
Message-ID: <90eb1dc70910011403q31218381tec865b1ecd361eff@mail.gmail.com> (raw)
In-Reply-To: <1254430820.5033.4.camel@localhost.localdomain>
On Thu, Oct 1, 2009 at 4:00 PM, Shirley Ma <mashirle@us.ibm.com> wrote:
> I talked to Mingming, she suggested to use different IO scheduler. The
> default scheduler is cfg, after I switch to noop, the problem is gone.
deadline is the most recommended one for virtualization hosts. some
distros set it as default if you select Xen or KVM at installation
time. (and noop for the guests)
--
Javier
next prev parent reply other threads:[~2009-10-01 21:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-30 21:11 INFO: task journal:337 " Shirley Ma
2009-10-01 13:20 ` Marcelo Tosatti
2009-10-01 16:58 ` Shirley Ma
2009-10-01 21:00 ` INFO: task kjournal:337 " Shirley Ma
2009-10-01 21:03 ` Javier Guerra [this message]
2009-10-01 21:17 ` Shirley Ma
2009-10-01 22:09 ` Shirley Ma
2009-10-02 18:30 ` INFO: task journal:337 " Jeremy Fitzhardinge
2009-10-02 19:06 ` Shirley Ma
2009-10-02 19:13 ` Jeremy Fitzhardinge
2009-10-04 4:12 ` Kevin Bowling
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